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AMD Ryzen 9 3900X Review | 78 Data compared

Avg. price: ~£260
PassMark benchmark result: 32498
N. of physical cores: 12
CPU boost clock speed: 4.6 GHz

AMD Ryzen 9 3900X review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

6.5

Good

6.2

Good

9.7

Exceptional

6.0
Gaming
Score components:
30.0%
4.6
PassMark single-core benchmark score
25.0%
4.9
Geekbench 6 single-core benchmark score
20.0%
6.4
CPU boost clock speed
17.0%
10
L3 cache
8.0%
5.1
N. of physical cores
6.4
Video editing
Score components:
45.0%
5.2
Geekbench 6 multi-core benchmark score
20.0%
5.1
N. of physical cores
20.0%
7.6
CPU threads
15.0%
10
L3 cache

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Verdict

The AMD Ryzen 9 3900X is a high-performance desktop processor based on the 7nm Zen 2 architecture, featuring 12 cores, 24 threads, a 3.8 GHz base clock, and a 4.6 GHz max boost. It is built for the AM4 socket, supports PCIe 4.0 for increased bandwidth, and includes a massive 64MB of L3 cache with a 105W TDP. Main pros include its exceptional multi-threaded performance for workstation tasks like video editing and 3D rendering, high energy efficiency compared to competitors, and the inclusion of an attractive Wraith Prism RGB cooler. Cons include single-core performance and 1080p gaming speeds that can fall slightly behind rival Intel chips, the lack of integrated graphics, and limited manual overclocking headroom as the chip often operates near its thermal and frequency limits out of the box.

Technical Specifications of processor AMD Ryzen 9 3900X

Overall score

6.5

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Popularity

What it is: An indicator based on the number of reviews received by the processor.

When it matters: When you prefer to choose a processor reviewed and selected by many other buyers.

Platform

8.5

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Brand name

What it is: The manufacturer or brand of the product.

When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

AMD

Processor type

What it is: The kind of system the processor is built for, such as desktop PCs, laptops, workstations, or servers.

When it matters: When you want a processor meant for the kind of machine you are actually building or buying, rather than a chip aimed at a different class of system.

Importance: HIGH

CPU socket

What it is: The physical socket the processor fits into on the motherboard.

When it matters: When you need to make sure the CPU can actually be installed on a specific motherboard.

Importance: HIGH

Chipset

What it is: The motherboard chipset families officially meant to work with the processor.

When it matters: When you are checking whether a CPU will work with the motherboard features and platform you plan to use.

Importance: HIGH

CPU architecture

What it is: The processor family or design generation behind the chip, such as Zen 4 or Raptor Lake.

When it matters: When you are comparing CPUs across generations and want a clearer sense of their design age, feature level, and expected performance class.

Importance: HIGH

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Performance

5.7

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N. of physical cores

What it is: The number of physical CPU cores on the processor.

When it matters: When you run workloads that benefit from more real cores.

Importance: HIGH

Good value: 8+

CPU threads

What it is: The total number of processing threads the CPU can handle at once.

When it matters: When you run heavily threaded workloads or multitask a lot.

Importance: HIGH

Good value: 16+

Threads per core

What it is: The number of threads each physical core can handle at once.

When it matters: When you want to understand how much thread-level parallelism each core can provide in multitasking or heavily threaded work.

Importance: MEDIUM

Good value: 2

CPU boost clock speed

What it is: The highest clock speed the processor can reach under boost conditions.

When it matters: When you care about peak speed in short bursts.

Importance: HIGH

Good value: >4.7 GHz

CPU base clock speed

What it is: The processor's normal all-core starting frequency before boost behavior raises clocks temporarily.

When it matters: When you care about steadier performance in longer workloads rather than short burst speed alone.

Importance: MEDIUM

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Cache & Architecture

7.5

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Semiconductor size

What it is: The manufacturing process node used to produce the processor, usually expressed in nanometers.

When it matters: When efficiency, heat, and the relative modernity of the chip-making process matter to your comparison.

Importance: HIGH

Good value: <10 nm

Foundry

What it is: The semiconductor manufacturer that physically fabricates the processor chip.

When it matters: When process source, manufacturing generation, or foundry differences matter to your comparison more than day-to-day performance alone.

Importance: MEDIUM

L3 cache

What it is: The total amount of L3 cache available on the processor.

When it matters: When you want better performance in cache-sensitive workloads and games.

Importance: MEDIUM

Good value: >=16 MB

L2 cache

What it is: The total amount of L2 cache available across the processor.

When it matters: When you want to compare CPU design efficiency and how much fast intermediate cache the cores have available.

Importance: MEDIUM

Good value: >=6 MB

L1 cache

What it is: The total amount of L1 cache built into the processor, which sits closest to the cores.

When it matters: When you are comparing low-level CPU design details rather than the broader performance picture buyers usually notice first.

Importance: MEDIUM

Good value: >=512 KB

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Memory & PCIe

7.4

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DDR memory version

What it is: The RAM generation the processor is designed to support, such as DDR4 or DDR5.

When it matters: When you need the CPU to match the kind of memory platform you want to buy or reuse.

Importance: MEDIUM

Good value: DDR5

Maximum memory speed

What it is: The highest official memory speed supported by the processor.

When it matters: When you choose RAM and want to know the supported speed ceiling.

Importance: HIGH

Good value: >=4800 MHz

Max memory speed (JEDEC)

What it is: The highest official RAM speed the processor supports under standard JEDEC settings, before any memory overclocking profiles are applied.

When it matters: When officially supported stock RAM speed matters more than XMP, EXPO, or manual memory tuning.

Importance: MEDIUM

Good value: >=5600 MHz

Max memory speed (XMP / EXPO)

What it is: The highest memory speed supported through XMP or EXPO profiles.

When it matters: When you want faster RAM through memory profiles.

Importance: MEDIUM

Good value: >=5200 MHz

?

Maximum memory capacity

What it is: The largest total amount of memory officially supported by the processor.

When it matters: When you plan a system with very large RAM capacity.

Importance: HIGH

Good value: >=128 GB

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Integrated Graphics

2.8

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Integrated graphics

What it is: Includes built-in graphics, so the system can output video without a separate graphics card.

When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.

Importance: HIGH

Integrated GPU model

What it is: The model name of the integrated graphics processor, if present.

When it matters: When you plan to use the CPU's built-in graphics.

Importance: MEDIUM

N/A

Integrated GPU execution units

What it is: The number of execution units available in the integrated graphics part of the processor.

When it matters: When you plan to rely on built-in graphics and want a better sense of its light gaming, display, or media capability.

Importance: MEDIUM

Good value: >=24

N/A

Integrated GPU base frequency

What it is: The base operating frequency of the integrated GPU.

When it matters: When integrated graphics performance matters to you.

Importance: MEDIUM

Good value: >=350 MHz

N/A

Integrated media encoders/decoders

What it is: The hardware media formats the processor can encode or decode directly.

When it matters: When you stream, edit video, or rely on hardware media acceleration.

Importance: LOW

N/A

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Power & Thermal

4.7

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TDP (Thermal design power)

What it is: The rated thermal design power, which gives a general idea of cooling and power needs.

When it matters: When you choose a cooler or build in a tighter case.

Importance: HIGH

Good value: <30 W

Base power (PL1)

What it is: The sustained power target used for longer CPU loads.

When it matters: When you choose cooling and power delivery for sustained workloads.

Importance: MEDIUM

Good value: <30 W

Boost power (PL2)

What it is: The short-term boost power limit the processor may draw under heavier turbo loads.

When it matters: When you size cooling and power delivery for peak turbo behavior.

Importance: MEDIUM

Good value: <50 W

Tau (power duration limit)

What it is: The time limit the CPU can stay at higher boost power before dropping toward sustained power.

When it matters: When you want to understand turbo behavior under longer loads.

Importance: MEDIUM

Good value: <=28 s

N/A

Configurable TDP

What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.

When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.

Importance: LOW

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AMD Ryzen 9 3900X vs the average processor

Why is AMD Ryzen 9 3900X better than the average processor?

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2.55x better multi-core performance
AMD Ryzen 9 3900X has a higher multi-core performance than the average processor (7,100 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
What it is: A Cinebench R20 score that reflects how well the processor handles long, heavy rendering workloads across many cores.
When it matters: When you care about sustained multi-core performance in rendering, compiling, heavy creation work, or productivity workloads that use many threads.
Importance: HIGH
Good value: >4700
AMD Ryzen 9 3900X has a higher multi-core performance than the average processor (7,100 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.7,100 vs 2,783
8x larger L3 cache
AMD Ryzen 9 3900X has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
What it is: The total amount of L3 cache available on the processor.
When it matters: When you want better performance in cache-sensitive workloads and games.
Importance: MEDIUM
Good value: >=16 MB
AMD Ryzen 9 3900X has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.64 MB vs 8 MB
16 more CPU threads
AMD Ryzen 9 3900X has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
What it is: The total number of processing threads the CPU can handle at once.
When it matters: When you run heavily threaded workloads or multitask a lot.
Importance: HIGH
Good value: 16+
AMD Ryzen 9 3900X has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.24 vs 8
3.09x higher PassMark score
AMD Ryzen 9 3900X has a higher PassMark benchmark score than the average processor (32,498 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
What it is: A benchmark score that gives a broad idea of overall processor performance.
When it matters: When you want a quick overall performance comparison.
Importance: HIGH
Good value: >19000
AMD Ryzen 9 3900X has a higher PassMark benchmark score than the average processor (32,498 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.32,498 vs 10,532.5
2.29x higher multi-core score
AMD Ryzen 9 3900X has a higher Geekbench 6 multi-core score than the average processor (10,983 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
What it is: A Geekbench 6 score that reflects multi-core CPU performance in mixed modern workloads.
When it matters: When you want a quick picture of multi-core speed in everyday mixed workloads, multitasking, and broadly optimized software.
Importance: HIGH
Good value: >8500
AMD Ryzen 9 3900X has a higher Geekbench 6 multi-core score than the average processor (10,983 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.10,983 vs 4,793
6 more CPU cores
AMD Ryzen 9 3900X has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
What it is: The number of physical CPU cores on the processor.
When it matters: When you run workloads that benefit from more real cores.
Importance: HIGH
Good value: 8+
AMD Ryzen 9 3900X has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.12 vs 6
Unlocked for overclocking
AMD Ryzen 9 3900X has an unlocked multiplier, the average processor does not.
What it is: Has an unlocked CPU multiplier, which makes manual CPU overclocking much easier on supported platforms.
When it matters: When you plan to push clock speeds beyond stock settings instead of leaving the processor completely at default behavior.
Importance: MEDIUM
AMD Ryzen 9 3900X has an unlocked multiplier, the average processor does not.
8 more PCIe lanes
AMD Ryzen 9 3900X has more PCIe lanes than the average processor (24 vs 16). The average processor offers 16 PCIe lanes.
20 usable lanes
What it is: The number of PCIe lanes provided directly by the processor.
When it matters: When you connect fast GPUs, SSDs, or expansion cards.
Importance: HIGH
Good value: >=20
AMD Ryzen 9 3900X has more PCIe lanes than the average processor (24 vs 16). The average processor offers 16 PCIe lanes.24 vs 16
Advanced security extensions
AMD Ryzen 9 3900X provides more advanced security extensions than the average processor (AES-NI, SHA, NX bit, SMAP, SMEP, SME, SEV, SKINIT vs AES-NI, NX bit, Secure Processor).
Modern CPU socket
AMD Ryzen 9 3900X uses a more modern CPU socket than the average processor (AM4 vs FP2).
Broader instruction support
AMD Ryzen 9 3900X supports a broader instruction set than the average processor (MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA, BMI1, BMI2, AMD-V vs MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, F16C, FMA3, AES, SHA).
2.55x better multi-core performance
AMD Ryzen 9 3900X has a higher multi-core performance than the average processor (7,100 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
16 more CPU threads
AMD Ryzen 9 3900X has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
3.09x higher PassMark score
AMD Ryzen 9 3900X has a higher PassMark benchmark score than the average processor (32,498 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
2.29x higher multi-core score
AMD Ryzen 9 3900X has a higher Geekbench 6 multi-core score than the average processor (10,983 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
6 more CPU cores
AMD Ryzen 9 3900X has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
Unlocked for overclocking
AMD Ryzen 9 3900X has an unlocked multiplier, the average processor does not.
7% higher boost clock
AMD Ryzen 9 3900X has a higher boost clock speed than the average processor (4.6 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
15.8% higher single-core score
AMD Ryzen 9 3900X has a higher Geekbench 6 single-core score than the average processor (1,704 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
8.9% better single-core performance
AMD Ryzen 9 3900X has a higher PassMark single-core score than the average processor (2,703 vs 2,483). The average processor scores 2,483 in PassMark single-core.
10 higher clock multiplier
AMD Ryzen 9 3900X has a higher clock multiplier than the average processor (38 vs 28). The average processor has a clock multiplier of 28.
8x larger L3 cache
AMD Ryzen 9 3900X has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
3.11x more L3 per core
AMD Ryzen 9 3900X has more L3 cache per core than the average processor (5.3 MB/core vs 1.714 MB/core). The average processor provides 1.714 MB/core of L3 cache per core.
41.7% smaller process node
AMD Ryzen 9 3900X has a lower process node than the average processor (7 nm vs 12 nm). The average processor uses a process node of 12 nm.
2.4x larger L2 cache
AMD Ryzen 9 3900X has a higher L2 cache than the average processor (6 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
2x larger L1 cache
AMD Ryzen 9 3900X has a higher L1 cache than the average processor (768 KB vs 384 KB). The average processor has L1 cache of 384 KB.
More advanced foundry
AMD Ryzen 9 3900X uses a more advanced foundry process than the average processor (TSMC 7 nm vs Intel 14 nm).
More advanced microarchitecture
AMD Ryzen 9 3900X uses a more advanced microarchitecture than the average processor (Matisse vs Kaby Lake).
8 more PCIe lanes
AMD Ryzen 9 3900X has more PCIe lanes than the average processor (24 vs 16). The average processor offers 16 PCIe lanes.
Newer PCIe version
AMD Ryzen 9 3900X supports a newer PCIe version than the average processor (4 vs 3.0).
Supports memory overclocking
AMD Ryzen 9 3900X supports memory overclocking, the average processor does not.
2x more memory capacity
AMD Ryzen 9 3900X has more maximum memory capacity than the average processor (128 GB vs 64 GB). The average processor supports 64 GB of memory.
Supports ECC memory
AMD Ryzen 9 3900X supports ECC memory, the average processor does not.
Includes stock cooler
AMD Ryzen 9 3900X includes a stock cooler, the average processor does not.
5 °C lower CPU temperature
AMD Ryzen 9 3900X has a lower CPU temperature than the average processor (95 °C vs 100 °C). The average processor runs at a CPU temperature of 100 °C.

Cache & Architecture

Power & Thermal

Why is AMD Ryzen 9 3900X worse than the average processor?

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Older TPM support
AMD Ryzen 9 3900X supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
64.9% slower Blender rendering
AMD Ryzen 9 3900X has a higher Blender BMW27 render time than the average processor (116.4 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
55.4% slower classroom rendering
AMD Ryzen 9 3900X has a higher Blender Classroom render time than the average processor (353.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
No integrated graphics
AMD Ryzen 9 3900X does not include integrated graphics, the average processor does.
2.22x higher boost power
AMD Ryzen 9 3900X has a higher boost power draw than the average processor (142 W vs 64 W). The average processor has a boost power draw of 64 W.
2.33x higher base power
AMD Ryzen 9 3900X has a higher base power draw than the average processor (105 W vs 45 W). The average processor has a base power draw of 45 W.
No configurable TDP
AMD Ryzen 9 3900X does not support configurable TDP, the average processor does.
2.33x higher TDP
AMD Ryzen 9 3900X has a higher TDP than the average processor (105 W vs 45 W). The average processor has a TDP of 45 W.
5 °C lower TJ Max
AMD Ryzen 9 3900X has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
64.9% slower Blender rendering
AMD Ryzen 9 3900X has a higher Blender BMW27 render time than the average processor (116.4 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
What it is: A Blender render result based on the BMW27 scene, used to show how quickly the processor can finish a heavy 3D rendering task.
When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.
Importance: HIGH
Good value: >290
AMD Ryzen 9 3900X has a higher Blender BMW27 render time than the average processor (116.4 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.116.4 vs 331.88
2.22x higher boost power
AMD Ryzen 9 3900X has a higher boost power draw than the average processor (142 W vs 64 W). The average processor has a boost power draw of 64 W.
What it is: The short-term boost power limit the processor may draw under heavier turbo loads.
When it matters: When you size cooling and power delivery for peak turbo behavior.
Importance: MEDIUM
Good value: <50 W
AMD Ryzen 9 3900X has a higher boost power draw than the average processor (142 W vs 64 W). The average processor has a boost power draw of 64 W.142 W vs 64 W
2.33x higher base power
AMD Ryzen 9 3900X has a higher base power draw than the average processor (105 W vs 45 W). The average processor has a base power draw of 45 W.
What it is: The sustained power target used for longer CPU loads.
When it matters: When you choose cooling and power delivery for sustained workloads.
Importance: MEDIUM
Good value: <30 W
AMD Ryzen 9 3900X has a higher base power draw than the average processor (105 W vs 45 W). The average processor has a base power draw of 45 W.105 W vs 45 W
55.4% slower classroom rendering
AMD Ryzen 9 3900X has a higher Blender Classroom render time than the average processor (353.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.
What it is: A Blender render result based on the Classroom scene, used to show how quickly the processor can complete a demanding rendering workload.
When it matters: When rendering speed matters for 3D work, content creation, or other workloads that behave like long multi-core renders.
Importance: HIGH
Good value: >1500
AMD Ryzen 9 3900X has a higher Blender Classroom render time than the average processor (353.3 vs 791.745). The average processor needs 791.745 for the Blender Classroom test.353.3 vs 791.745
No configurable TDP
AMD Ryzen 9 3900X does not support configurable TDP, the average processor does.
What it is: Allows the processor to run in alternate power modes instead of being fixed to one default TDP target.
When it matters: When you want more control over heat, noise, and power draw in compact systems, quieter builds, or thermally limited machines.
Importance: LOW
AMD Ryzen 9 3900X does not support configurable TDP, the average processor does.
2.33x higher TDP
AMD Ryzen 9 3900X has a higher TDP than the average processor (105 W vs 45 W). The average processor has a TDP of 45 W.
What it is: The rated thermal design power, which gives a general idea of cooling and power needs.
When it matters: When you choose a cooler or build in a tighter case.
Importance: HIGH
Good value: <30 W
AMD Ryzen 9 3900X has a higher TDP than the average processor (105 W vs 45 W). The average processor has a TDP of 45 W.105 W vs 45 W
5 °C lower TJ Max
AMD Ryzen 9 3900X has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
What it is: The highest safe operating junction temperature before the CPU starts throttling or protecting itself.
When it matters: When you tune cooling or monitor thermals under load.
Importance: LOW
Good value: >=100 °C
AMD Ryzen 9 3900X has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.95 °C vs 100 °C
No integrated graphics
AMD Ryzen 9 3900X does not include integrated graphics, the average processor does.
What it is: Includes built-in graphics, so the system can output video without a separate graphics card.
When it matters: When you want the PC to work without a dedicated GPU, or you are building an office, media, compact, or troubleshooting-friendly system.
Importance: HIGH
AMD Ryzen 9 3900X does not include integrated graphics, the average processor does.

Integrated Graphics

Power & Thermal

Graphic comparison of AMD Ryzen 9 3900X and other processors

Attribute category

Attribute

No results found

Third-party reviews

United Kingdom

(Reviews last updated: May 2026)

What customers like about AMD Ryzen 9 3900X?

Exceptional multi-threaded performance with 12 cores and 24 threads, ideal for heavy productivity tasks like video editing and 3D rendering.
Excellent value-for-money compared to similarly priced competitors, offering higher core counts at the same price point.
Native support for PCIe 4.0, providing increased bandwidth for compatible high-speed NVMe SSDs.
High energy efficiency for its performance class, benefiting from the 7nm manufacturing process.
Includes a capable and aesthetically pleasing Wraith Prism RGB stock cooler.
Strong backward compatibility with existing AM4 motherboards (via BIOS updates).
Large 'GameCache' (70MB total L3 cache) helps reduce memory latency and improves gaming performance over previous generations.

What customers dislike about AMD Ryzen 9 3900X?

Single-core performance and 1080p gaming frame rates slightly trail behind top Intel competitors in some scenarios.
Can run hot under heavy multi-core loads, with many users recommending an aftermarket liquid cooler (AIO) for best results.
Limited manual overclocking headroom as the chip often ships close to its maximum potential out of the box.
Included stock cooler can become quite noisy when the processor is under heavy workloads.
Initial launch was marred by early BIOS/AGESA issues and availability shortages.

Expert reviews

techradar.com

18/11/2019

Summary of the review

AMD Ryzen 9 3900X review

The AMD Ryzen 9 3900X introduces 12 cores and 24 threads to the mainstream market, utilizing 7nm Zen 2 architecture to provide unmatched multi-threaded performance for creative workloads and supporting PCIe 4.0 for future-proof connectivity. While offering incredible value for prosumers, the processor faces cons regarding slightly lower single-core performance compared to Intel in gaming, alongside high power consumption and thermal output. Overall, the 3900X is deemed a, "behemoth" in productivity, with pros including massive core counts and a capable included cooler, despite the potential for high fan noise under load. TechRadar

trustedreviews.com

10/09/2019

Summary of the review

AMD Ryzen 9 3900X Review

The Trusted Reviews assessment of the AMD Ryzen 9 3900X highlights it as a 12-core, 7nm "mainstream flagship" that offers exceptional multi-core performance for creative professionals and, in many cases, superior value compared to Intel. Key advantages include its immense rendering capabilities, PCIe Gen 4 support, and a capable included Wraith Prism cooler, though it trails Intel in high-frequency gaming scenarios. While providing top-tier productivity, the chip can reach high thermal levels, causing the stock cooler to run loudly, and lacks integrated graphics.

pcworld.com

17/07/2019

Summary of the review

Ryzen 3000 Review: AMD's 12-core Ryzen 9 3900X conquers its past

The PCWorld review highlights the 12-core, 24-thread AMD Ryzen 9 3900X as a landmark "mainstream" processor built on 7nm Zen 2 architecture, offering massive improvements in IPC and multi-core performance. Key advantages include its 70MB "Game Cache" for reduced latency, superior performance in tasks like 4K video encoding, PCIe 4.0 support, and the inclusion of a high-quality Wraith Prism cooler. However, the chip's cons involve slightly lower 1080p gaming frame rates compared to the Intel Core i9-9900K and the lack of integrated graphics, along with the requirement of X570 motherboards for full feature utilization.

bit-tech.net

07/07/2019

Summary of the review

AMD Ryzen 9 3900X Review

The AMD Ryzen 9 3900X, based on the 7nm Zen 2 architecture, brings 12 cores and 24 threads to the mainstream market with 70MB of "GameCache" and PCIe 4.0 support. It offers top-tier multi-core performance, dominating in creative workloads like Blender and HandBrake, while maintaining compatibility with existing AM4 motherboards. Despite its power, the review notes limited manual overclocking headroom (around 4.3GHz) and a slight performance deficit to Intel in certain gaming scenarios, along with a loud stock cooler under load.

rockpapershotgun.com

07/07/2019

Summary of the review

AMD Ryzen 9 3900X review: The Core i9-9900K killer?(bit-tech.net) | July 07 2019 | AMD Ryzen 9 3900X Review(www.vortez.net) | July 07 2019 | AMD Ryzen...

The Rock Paper Shotgun review highlights the 12-core AMD Ryzen 9 3900X as a superior workstation processor, offering 24 threads for heavy multitasking, video editing, and 3D rendering at a $499 price point. While providing excellent value and introducing PCIe 4.0 support, the CPU is deemed overkill for gaming, often falling slightly behind the i9-9900K and the cheaper Ryzen 7 3700X in 1080p scenarios. Ultimately identified as a niche "power user" chip, it features limited overclocking headroom, runs hot, and is best suited for creators rather than pure gamers, despite including a capable Wraith Prism RGB cooler.

pcmag.com

07/07/2019

Summary of the review

AMD Ryzen 9 3900X Review

The AMD Ryzen 9 3900X is a 12-core, 24-thread CPU offering exceptional multithreaded performance and value, supporting PCIe 4.0 on the AM4 platform. It features 70MB of "GameCache" and includes a capable Wraith Prism RGB cooler, making it ideal for productivity-focused users. In benchmarks like Cinebench R15 and Handbrake, the chip significantly outperforms competitors, including the Intel Core i9-9900K, for content creation tasks. Despite its strengths, the 3900X slightly trails Intel in single-core performance and 1080p gaming, and it lacks integrated graphics. Additionally, maximizing overclocking potential requires a robust third-party cooling solution rather than the included stock cooler.

windowscentral.com

25/11/2019

Summary of the review

AMD Ryzen 9 3900X review: Amazing multi-core CPU performance(www.techpowerup.com) | July 07 2019 | AMD Ryzen 3900X & 3700X Tested on X470 Would you li...

The Windows Central review highlights the AMD Ryzen 9 3900X as a transformative 12-core, 24-thread processor that offers superior value and multi-core performance compared to Intel counterparts, specifically excelling in workstation tasks like video editing. Built on a 7nm process, the CPU supports PCIe 4.0 for faster data bandwidth, includes a capable Wraith Prism RGB cooler, and maintains compatibility with the AM4 socket, providing an excellent upgrade path. While it offers competitive gaming performance, the review notes minor cons, including slightly lower gaming frame rates compared to the i9-9900K and very limited overclocking headroom due to its optimized out-of-the-box performance. Copy

chip.de

07/07/2019

Summary of the review

AMD Ryzen 9 3900X Review: The New CPU Benchmark

The AMD Ryzen 9 3900X is a 12-core, 24-thread processor based on the "Zen 2" architecture that offers a massive performance leap in heavily multithreaded applications compared to competitors. It outperforms the Intel Core i9-9900K by an average of 21% in benchmarks while supporting PCIe 4.0 and offering great value with the included Wraith Prism cooler. However, the chip can run hot, requiring better than stock cooling for high loads, and its single-core performance still slightly trails Intel's flagship in certain 1080p gaming scenarios.

computerbase.de

07/07/2019

Summary of the review

AMD Ryzen 9 3900X, 7 3700X & 5 3600 Review: Zen 2 is a Milestone

The ComputerBase review of the AMD Ryzen 3000 series (Zen 2) highlights a significant market shift, with the 7nm architecture providing a 15% increase in IPC and reduced memory latency via larger L3 cache. The Ryzen 9 3900X is lauded as a multi-core leader, comfortably surpassing Intel alternatives in creative workloads, while the Ryzen 5 3600 offers exceptional price-performance, narrowing the gaming gap with high-FPS Intel counterparts. Key advantages include superior multi-threaded performance, PCIe 4.0 support, and high energy efficiency, though the processors offer limited manual overclocking headroom and the 3900X requires robust cooling for peak performance.

notebookcheck.com

12/08/2019

Summary of the review

AMD Ryzen 9 3900X Review - 12 Cores Meet Socket AM4

The AMD Ryzen 9 3900X is a 12-core, 24-thread desktop processor based on the Zen 2 "Matisse" architecture, utilizing a 7nm process with a 3.8 GHz base clock and 4.6 GHz boost. According to Notebookcheck's review, it delivers exceptional multi-threaded performance suitable for workstations, supports PCIe 4.0, maintains AM4 socket compatibility, and offers good energy efficiency, though it runs hot under load with limited overclocking headroom. While a strong gaming contender, its single-core performance still trails top-tier Intel alternatives in some gaming scenarios, making it better suited for content creation than purely gaming-focused builds.

pcwelt.de

07/07/2019

Summary of the review

Review: AMD Ryzen 9 3900X & Ryzen 7 3700X impress with high single-core performance

The PC-WELT review of the AMD Ryzen 9 3900X and Ryzen 7 3700X highlights the Zen 2 architecture's success in closing the single-core performance gap with Intel while dominating in multi-core tasks. The 12-core 3900X excels in productivity workloads, whereas the 8-core 3700X offers exceptional efficiency at a 65W TDP, both benefiting from a 7nm process that boosts IPC by 13-15% and provides PCIe 4.0 support. While gaming performance is nearly on par with competitors at high resolutions, the CPUs still trail slightly at 1080p, and manual overclocking headroom is limited due to the processors being pushed near their limits out of the box.

igorslab.de

19/11/2019

Summary of the review

AMD Ryzen 9 3950X and 3900X workstation review vs Intel's Skylake-X

Igor'sLAB analysis highlights the AMD Ryzen 9 3950X as a 16-core, AM4-platform processor that brings HEDT-level performance to mainstream users. The review emphasizes the "65-watt Eco-Mode," which significantly boosts efficiency, allowing the chip to operate cooler and quieter while maintaining impressive rendering performance in tools like Blender. Despite providing superior performance-per-watt against Intel's competing, higher-power CPUs, the analysis notes potential bottlenecks from software that underutilizes high core counts, along with limited availability. igor´

hardwareluxx.de

07/07/2019

Summary of the review

Reviewing AMD's Ryzen 7 3700X and Ryzen 9 3900X", "AMD Ryzen 7 3700X and Ryzen 9 3900X Review

The AMD Ryzen 7 3700X and Ryzen 9 3900X, based on 7nm Zen 2 architecture, deliver a 15% IPC increase. The 12-core 3900X dominates multi-threaded tasks, while the 65W 8-core 3700X provides high efficiency, with both offering great value and included coolers. Key advantages include PCIe 4.0 support and AM4 backward compatibility, though limited overclocking headroom and high X570 motherboard costs are drawbacks. Copy

hardwarecooking.fr

21/08/2019

Summary of the review

AMD Ryzen 9 3900X Review: An Exceptional 12-Core Powerhouse

The HardwareCooking review of the AMD Ryzen 9 3900X highlights its position as a powerhouse for multitasking and creative workloads, leveraging 12 cores and 24 threads built on the 7nm "Zen 2" architecture. The review notes impressive multi-core performance, which often outperforms competitors in heavy tasks like 3D rendering, while supporting PCIe 4.0 for improved bandwidth. Key strengths of the 105W TDP processor include an exceptional price-to-performance ratio in multi-threaded scenarios and improved energy efficiency over previous generations. The processor is praised for its high 64MB of L3 cache, which helps reduce latency in applications. Limitations include limited manual overclocking headroom, as the chip runs near its maximum potential out of the box. While the included Wraith Prism cooler is acceptable, high-end cooling is recommended to manage temperatures under sustained loads. The full review details can be found on hardwarecooking.fr.

lesnumeriques.com

16/08/2019

Summary of the review

Test AMD Ryzen 9 3900X: A Flawless High-End CPU

The AMD Ryzen 9 3900X is a 12-core/24-thread Zen 2 processor built on a 7nm process, offering exceptional multi-threaded performance for content creation and productivity tasks. Key advantages include PCIe 4.0 support and the bundled Wraith Prism RGB cooler, delivering high value against competitors. While trailing the Core i9-9900K in raw 1080p gaming, the 3900X remains highly competitive at higher resolutions where GPU bottlenecks occur. Performance downsides include high operating temperatures under load and the lack of integrated graphics, requiring a dedicated GPU. Overall, the 3900X is praised for its excellent performance-per-watt and, for most applications, high-end efficiency. Its compatibility with AM4 motherboards makes it a solid upgrade choice, providing significant value through its 70MB "Gamecache" and multi-core capabilities.

elchapuzasinformatico.com

07/07/2019

Summary of the review

AMD Ryzen 9 3900X Review: 12 Cores and 24 Threads with Mind-Blowing Performance

The AMD Ryzen 9 3900X, based on the 7nm Zen 2 architecture, brings 12 cores and 24 threads to the mainstream AM4 platform, delivering exceptional multi-threaded performance that rivals much more expensive HEDT processors. It features high energy efficiency with a 105W TDP and native PCIe 4.0 support, which doubles bandwidth for compatible components. The processor excels in productivity tasks like 3D rendering and video editing, offering a significant IPC boost over the previous generation. While it trails slightly behind Intel in specific high-refresh 1080p gaming scenarios, it remains a superior value option for users needing a balanced, high-performance CPU. Key pros include excellent multi-threaded performance, energy efficiency, and a capable stock cooler, while cons include limited overclocking headroom, high operating temperatures with the included heatsink, and the requirement for a dedicated graphics card.

profesionalreview.com

07/07/2019

Summary of the review

AMD Ryzen 9 3900X Review (Complete Analysis)

The AMD Ryzen 9 3900X is a 12-core, 24-thread 7nm "Zen 2" processor designed for high-end productivity, featuring a 3.8 GHz base clock, 64MB of L3 cache, and PCI Express 4.0 support. It outperforms competitors in multi-core workloads like video editing and rendering, while offering highly competitive, though sometimes slightly lower, gaming performance compared to top-tier Intel chips. Key advantages include its exceptional price-to-performance ratio, bundled Wraith Prism cooler, and AM4 platform longevity, balanced against limited manual overclocking headroom and the lack of integrated graphics. For more details, visit PCMag.

hardzone.es

30/08/2019

Summary of the review

AMD Ryzen 9 3900X: Does it consume more on Windows or Linux?

An August 2019 HardZone review found that the AMD Ryzen 9 3900X consumes approximately 20W more power during system startup on Linux compared to Windows 10, suggesting more aggressive core initialization on Linux. While the processor delivers excellent multi-threaded performance (a key pro) on both systems due to its 12-core/24-thread, 105W TDP design, the review noted higher overall power draw under Linux during heavy tasks, alongside a con regarding a lack of mature sensor drivers for temperature/voltage monitoring at launch. Ultimately, Linux prioritizes maximum performance for power users, while Windows 10 proved more efficient for power management, with the Wraith Prism cooler and PCIe 4.0 support being strong hardware features across both operating systems. Copy

hardzone.es

07/07/2019

Summary of the review

AMD Ryzen 7 3700X and Ryzen 9 3900X Review

The HardZone review highlights the 3rd Gen AMD Ryzen processors, utilizing 7nm Zen 2 architecture for improved IPC and power efficiency. The Ryzen 7 3700X offers a 65W TDP "sweet spot," while the Ryzen 9 3900X delivers 12-core performance with a 64MB "GameCache," notes the analysis. Pros include superior multi-core productivity performance, bundled Wraith Prism coolers, and PCIe 4.0 support via X570. Cons include a slight 1080p gaming deficit versus Intel, limited manual overclocking headroom, and high platform costs. Copy

madboxpc.com

07/07/2019

Summary of the review

Review of the AMD Ryzen 9 3900X, Ryzen 7 3700X and Ryzen 5 3600

The MadboxPC review highlights that the Ryzen 3000 series utilizes a 7nm chiplet design and Infinity Fabric 2.0, introducing PCIe 4.0 support via the X570 chipset. While the Ryzen 9 3900X and 7 3700X offer superior multi-threaded performance and high efficiency, a notable limitation is their restricted overclocking headroom. Additionally, while the Ryzen 5 3600 provides excellent value and the X570 platform enables faster memory support, the required active cooling for X570 motherboards can increase system noise. Copy

geeknetic.es

07/07/2019

Summary of the review

AMD Ryzen 7 3700X and AMD Ryzen 9 3900X Review - Geeknetic

The Geeknetic review of the AMD Ryzen 7 3700X and Ryzen 9 3900X highlights a 21% increase in IPC due to the Zen 2 architecture and 7nm process, alongside the introduction of PCIe 4.0. The 12-core 3900X delivers high productivity performance, while the 8-core 3700X offers 65W efficiency, both utilizing doubled "Gamecache" to improve performance, although all-core overclocking is limited to around 4.3GHz. Key pros include exceptional multi-threaded value, efficiency, and included Wraith Prism coolers, with cons focusing on limited overclocking headroom and the need for X570 boards to fully utilize PCIe 4.0. Geeknetic Copy

riccardo.im

07/02/2020

Summary of the review

Ryzen 9 3900X, Radeon RX 5700 and Linux Review

This review details a custom AMD-powered PC build, featuring a Ryzen 7 7800X3D and Radeon RX 7900 XT, designed for optimal gaming and productivity on Linux. The setup prioritizes open-source compatibility to ensure a seamless "plug-and-play" experience with native kernel drivers. Pros include superior Linux hardware support and high-end gaming performance, while potential cons involve a high total cost and the, sometimes, tricky, nature of manual software optimization.

global.techradar.com

08/07/2019

Summary of the review

AMD Ryzen 9 3900X Review: AMD Takes the Lead

The AMD Ryzen 9 3900X is a 12-core, 24-thread 7nm processor that brings HEDT-level multi-threaded performance to the mainstream AM4 platform. It offers exceptional value for creative professionals, supporting PCIe 4.0 on X570 motherboards for faster storage speeds. While delivering top-tier productivity, the chip can run hot under load and slightly trails Intel in single-core gaming performance.

tech.everyeye.it

07/07/2019

Summary of the review

AMD Ryzen 9 3900X and Ryzen 7 3700X Review: The 7nm Era Begins

The Everyeye.it review highlights the launch of AMD's 7nm "Zen 2" architecture with the Ryzen 9 3900X (12 cores) and Ryzen 7 3700X (8 cores), marking a significant turning point where AMD leads in multi-core productivity. Utilizing a chiplet design with improved IPC and large cache sizes, these processors excel in workstation tasks like Cinebench and Blender while offering PCIe 4.0 support and continued AM4 socket compatibility. While the 3900X dominates in productivity, the 3700X is praised for its efficiency (65W TDP), though both offer limited overclocking headroom and still lag slightly behind Intel in high-fps 1080p gaming.

hwupgrade.it

07/07/2019

Summary of the review

AMD Ryzen 9 3900X and Ryzen 7 3700: Zen 2 disrupts the CPU market

The HWUpgrade review highlights how the AMD Ryzen 9 3900X and 7 3700X, based on the 7nm Zen 2 architecture, significantly disrupted the CPU market by offering 12 and 8 cores respectively on the mainstream AM4 platform. Featuring PCIe 4.0 support, these processors deliver exceptional multi-threaded performance and high power efficiency, with the 3900X excelling in content creation and the 3700X operating efficiently at 65W TDP. Despite these advantages, Intel maintains a slight lead in 1080p gaming performance, and the Zen 2 chips offer limited overclocking headroom, with full platform benefits requiring X570 motherboards.

digitalworlditalia.it

09/07/2019

Summary of the review

Digital World Italy - Ryzen 9 3900X Review. Graphics and Video App Benchmarks

The Ryzen 3000 series, highlighted by the Ryzen 9 3900X, utilizes a 7nm Zen 2 architecture and a chiplet design to separate compute cores from the I/O die, doubling floating-point performance. This design, featuring a 70MB "Game Cache," aims to significantly reduce memory latency, while the entire platform introduces PCIe 4.0 support for increased bandwidth. In benchmarks, the 3900X delivers massive multi-threaded performance, excelling in rendering and content creation while competing heavily with Intel in single-core tasks. The processor offers a high-performance, cost-effective alternative for gamers and professionals, despite increased power consumption and thermal challenges under heavy load. Key advantages include superior multi-core performance and competitive pricing, though the high-end model requires robust cooling, and maximizing capabilities often requires an X570 motherboard. The 3900X is a standout choice for high-end workstation performance within the consumer market. Copy

tweakers.net

07/07/2019

Summary of the review

Ryzen 3900X and 3700X Review - AMD Dethrones Intel

Tweakers concludes that the Ryzen 3900X and 3700X cement AMD's market lead, surpassing Intel in multi-threaded performance and efficiency. The 12-core 3900X excels in rendering, while the 8-core 3700X offers impressive 65W TDP performance, significantly narrowing the gaming performance gap against Intel. Key advantages include the 7nm Zen 2 architecture, PCIe 4.0 support, and superior productivity performance. Drawbacks include limited overclocking headroom, higher X570 motherboard costs, and lower write speeds on the 3700X.

hardware.info

07/07/2026

Summary of the review

AMD Ryzen 7 3700X & Ryzen 9 3900X review: Beating Intel?!", "AMD Ryzen 7 3700X & Ryzen 9 3900X review: Ahead of Intel?!

The Hardware Info review finds that AMD's Zen 2 architecture, specifically the 7nm Ryzen 7 3700X and Ryzen 9 3900X, surpasses Intel in performance, marking a significant, efficient architectural leap. Pros include impressive IPC gains, PCIe 4.0 support, and the inclusion of efficient Wraith Prism coolers, though cons include limited overclocking headroom and the need for X570 motherboards for maximum performance. While the 3900X acts as a multi-threaded "productivity monster," Intel maintains a slight 5-8% advantage in 1080p gaming scenarios. Copy

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