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AMD Ryzen 9 7900 Review | 78 Data compared

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  • Avg. price in UK: ~£270
  • Avg. price in US: ~$360
  • PassMark benchmark result: 48045
  • N. of physical cores: 12
  • CPU boost clock speed: 5.4 GHz

AMD Ryzen 9 7900 review. Compare 78 technical specifications and user reviews to see how it ranks among processors and if it is worth buying.

8.2

Overall score

What it is: An overall evaluation of the processor's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best processors on the market.

Score components:

90.0%

8.0

Technical Score

10.0%

9.6

User score

Excellent
8.0

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

7.7

Performance

18.0%

8.7

Cache & Architecture

10.0%

8.7

Memory & PCIe

7.0%

7.4

Power & Thermal

4.0%

9.0

Platform

1.0%

7.9

Integrated Graphics

Excellent
9.6

User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

9.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.7
(645)
amazon
5.0
(7)

(Reviews last updated: May 2026)

Exceptional
  • 8.4
    Gaming

    Score components:

    30.0%

    7.9

    PassMark single-core benchmark score

    25.0%

    8.4

    Geekbench 6 single-core benchmark score

    20.0%

    8.8

    CPU boost clock speed

    17.0%

    10

    L3 cache

    8.0%

    5.1

    N. of physical cores

  • 7.4
    Video editing

    Score components:

    45.0%

    7.5

    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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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The AMD Ryzen 9 7900 is a high-performance 12-core, 24-thread desktop processor based on the Zen 4 architecture and a 5nm manufacturing process. It features a base clock of 3.7 GHz, a max boost clock of 5.4 GHz, and a total of 76MB cache (64MB L3 + 12MB L2). Its primary characteristic is exceptional power efficiency with a default TDP of just 65W, allowing it to deliver near-enthusiast performance with significantly lower heat and power draw than its 'X' series counterparts. Main pros include its included Wraith Prism RGB cooler, support for PCIe 5.0 and DDR5 memory, and an unlocked multiplier for easy overclocking to reach 7900X performance levels. Major cons include a significantly lower all-core boost frequency compared to the 7900X when strictly power-limited at 65W and the requirement for a new AM5 motherboard and DDR5 RAM, which may increase initial platform upgrade costs.

Technical Specifications of processor AMD Ryzen 9 7900

Technical Score

What it is: An assessment of the processor's technical performance, covering key areas such as processing performance, core configuration, efficiency, platform support, integrated features, and thermal behavior.

When it matters: When you want to compare processors based on technical performance and available features.

Score components:

60.0%

7.7

Performance

18.0%

8.7

Cache & Architecture

10.0%

8.7

Memory & PCIe

7.0%

7.4

Power & Thermal

4.0%

9.0

Platform

1.0%

7.9

Integrated Graphics

8.0
AMD Ryzen 9 7900 has a technical score of 8.02 points, which is higher than that of 95.7% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the processor.

When it matters: When you want to know how a processor performs in real workloads and how reliable it is for gaming, productivity, and efficiency according to user feedback.

Score components:

70.0%

9.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.7
(645)
amazon
5.0
(7)

(Reviews last updated: May 2026)

9.6
AMD Ryzen 9 7900 has a user score of 9.58 points, which is higher than that of 98.1% of products in this category.
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.
10
AMD Ryzen 9 7900 has a popularity of 10 points, which is higher than 88.3% of products in this category.
Ratio quality/price

What it is: An indicator that combines the processor's overall rating with its cost.

When it matters: When you are looking for a processor with a good balance between performance, efficiency, and price.

Score components:

60.0%

8.2

Overall score

40.0%

9.1

Price

8.5
AMD Ryzen 9 7900 has a quality-to-price ratio of 8.5 points, which is higher than 99.4% of products in this category.
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

desktop
AMD Ryzen 9 7900 belongs to the desktop processor class, which is more advanced than that of 56% and equal to 37.9%.
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

AM5
AMD Ryzen 9 7900 uses the AM5 CPU socket, which is newer than that of 95.7% and equal to that of 2.7%.
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

X870E, X870, B850, B840, X670E, X670, B650E, B650, A620
AMD Ryzen 9 7900 supports X870E, X870, B850, B840, X670E, X670, B650E, B650, A620 chipsets, which is broader compatibility than 91.8% and equal to 3.4%.
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

x86-64
AMD Ryzen 9 7900 uses the x86-64 architecture, which is more advanced than that of 1.7% and equal to that of 98.3%.
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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+

12
AMD Ryzen 9 7900 has 12 CPU cores, which is more than 81.5% and equal to 5.5%.
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+

24
AMD Ryzen 9 7900 offers 24 CPU threads, which is more than 90.3% and equal to 4%.
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

2
AMD Ryzen 9 7900 offers 2 threads per core, which is more than 30.4% and equal to 69.6%.
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

5.4 GHz
AMD Ryzen 9 7900 reaches a boost clock of 5.4 GHz which is higher than that of 94.9% and equal to that of 2.6%.
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

12 x 3.7 GHz
AMD Ryzen 9 7900 has a base clock of 12x3.7 GHz which is equal to that of 100%.
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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

5 nm
AMD Ryzen 9 7900 uses a 5 nm process node, which is more advanced than that of 85.1% and equal to that of 3.2%.
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

TSMC 5 nm
AMD Ryzen 9 7900 is built on the TSMC 5 nm foundry process, which is more advanced than that of 83.7% and equal to that of 3.2%.
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

64 MB
AMD Ryzen 9 7900 has an L3 cache of 64 MB which is larger than that of 94.6% and equal to that of 2.8%.
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

12 MB
AMD Ryzen 9 7900 has an L2 cache of 12 MB which is larger than that of 84.8% and equal to that of 2.7%.
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

768 KB
AMD Ryzen 9 7900 has an L1 cache of 768 KB which is larger than that of 78.2% and equal to that of 3.4%.
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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

DDR5
AMD Ryzen 9 7900 supports DDR DDR5, which is newer than in 66.4% and equal to that of 12.6%.
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

5,200 MHz
AMD Ryzen 9 7900 supports memory speeds up to 5,200 MHz, which is higher than in 72.1% and equal to 7%.
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

DDR5-5200 MHz
AMD Ryzen 9 7900 supports JEDEC memory speeds up to DDR5-5,200 MHz, which is higher than in 74.1% and equal to 5.2%.
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

128 GB
AMD Ryzen 9 7900 supports up to 128 GB of memory, which is more than 61.9% and equal to 21.4%.
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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

yes
AMD Ryzen 9 7900 includes integrated graphics. 87.6% include integrated graphics.
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

AMD Radeon Graphics
AMD Ryzen 9 7900 uses the AMD Radeon Graphics integrated GPU, which is more advanced than that in 87.8% and equal to that in 1.4%.
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

2
AMD Ryzen 9 7900 has 2 GPU execution units, which is fewer than 95.6% and equal to 4.4%.
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

400 MHz
AMD Ryzen 9 7900 has an integrated GPU clock of 400 MHz which is higher than that of 73.3% and equal to that of 8%.
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

H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode)
AMD Ryzen 9 7900 supports H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode) media codecs, which is broader support than 81.6% and equal to 3.2%.
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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

65 W
AMD Ryzen 9 7900 has a TDP of 65 W which is higher than that of 70% and equal to that of 16.1%.
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

65 W
AMD Ryzen 9 7900 has a base power of 65 W which is higher than that of 70.3% and equal to that of 16.4%.
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

88 W
AMD Ryzen 9 7900 has a boost power of 88 W which is higher than that of 57.6% and equal to that of 6.3%.
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

yes
AMD Ryzen 9 7900 supports configurable TDP. 52.9% support configurable TDP.
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AMD Ryzen 9 7900 vs the average processor

  • 3.98x better multi-core performance
    AMD Ryzen 9 7900 has a higher multi-core performance than the average processor (11,088 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 7900 has a higher multi-core performance than the average processor (11,088 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.11,088 vs 2,783
  • 4.56x higher PassMark score
    AMD Ryzen 9 7900 has a higher PassMark benchmark score than the average processor (48,045 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 7900 has a higher PassMark benchmark score than the average processor (48,045 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.48,045 vs 10,532.5
  • 3.5x higher multi-core score
    AMD Ryzen 9 7900 has a higher Geekbench 6 multi-core score than the average processor (16,772 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 7900 has a higher Geekbench 6 multi-core score than the average processor (16,772 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.16,772 vs 4,793
  • 95.1% higher single-core score
    AMD Ryzen 9 7900 has a higher Geekbench 6 single-core score than the average processor (2,870 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
    What it is: A Geekbench 6 score that reflects single-core CPU performance in mixed modern workloads.
    When it matters: When you care about snappy everyday performance in lighter apps, browsing, office work, or tasks that do not scale well across many cores.

    Importance: HIGH

    Good value: >2000

    AMD Ryzen 9 7900 has a higher Geekbench 6 single-core score than the average processor (2,870 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.2,870 vs 1,471
  • 66% better single-core performance
    AMD Ryzen 9 7900 has a higher PassMark single-core score than the average processor (4,121 vs 2,483). The average processor scores 2,483 in PassMark single-core.
    What it is: A benchmark score that reflects single-core CPU performance.
    When it matters: When you care about responsiveness in lighter or older software.

    Importance: HIGH

    Good value: >3200

    AMD Ryzen 9 7900 has a higher PassMark single-core score than the average processor (4,121 vs 2,483). The average processor scores 2,483 in PassMark single-core.4,121 vs 2,483
  • 8x larger L3 cache
    AMD Ryzen 9 7900 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 7900 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
  • 25.6% higher boost clock
    AMD Ryzen 9 7900 has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
    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

    AMD Ryzen 9 7900 has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.5.4 GHz vs 4.3 GHz
  • 16 more CPU threads
    AMD Ryzen 9 7900 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 7900 has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.24 vs 8
  • Modern CPU socket
    AMD Ryzen 9 7900 uses a more modern CPU socket than the average processor (AM5 vs FP2).
  • 3 year/s newer release date
    AMD Ryzen 9 7900 has a newer release date than the average processor (2023 vs 2020).
  • 3.98x better multi-core performance
    AMD Ryzen 9 7900 has a higher multi-core performance than the average processor (11,088 vs 2,783). The average processor scores 2,783 in Cinebench R20 multi-core.
  • 4.56x higher PassMark score
    AMD Ryzen 9 7900 has a higher PassMark benchmark score than the average processor (48,045 vs 10,532.5). The average processor scores 10,532.5 in PassMark benchmark.
  • 3.5x higher multi-core score
    AMD Ryzen 9 7900 has a higher Geekbench 6 multi-core score than the average processor (16,772 vs 4,793). The average processor scores 4,793 in Geekbench 6 multi-core.
  • 95.1% higher single-core score
    AMD Ryzen 9 7900 has a higher Geekbench 6 single-core score than the average processor (2,870 vs 1,471). The average processor scores 1,471 in Geekbench 6 single-core.
  • 66% better single-core performance
    AMD Ryzen 9 7900 has a higher PassMark single-core score than the average processor (4,121 vs 2,483). The average processor scores 2,483 in PassMark single-core.
  • 25.6% higher boost clock
    AMD Ryzen 9 7900 has a higher boost clock speed than the average processor (5.4 GHz vs 4.3 GHz). The average processor reaches boost clock speed of 4.3 GHz.
  • 16 more CPU threads
    AMD Ryzen 9 7900 has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
  • 57.4% higher Cinebench R20 single-core score
    AMD Ryzen 9 7900 has a higher Cinebench R20 single-core score than the average processor (762 vs 484). The average processor scores 484 in Cinebench R20 single-core.
  • 6 more CPU cores
    AMD Ryzen 9 7900 has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
  • Unlocked for overclocking
    AMD Ryzen 9 7900 has an unlocked multiplier, the average processor does not.
  • 12.9% faster Blender rendering
    AMD Ryzen 9 7900 has a lower Blender BMW27 render time than the average processor (374.8 vs 331.88). The average processor needs 331.88 for the Blender BMW27 test.
  • 8x larger L3 cache
    AMD Ryzen 9 7900 has a higher L3 cache than the average processor (64 MB vs 8 MB). The average processor has L3 cache of 8 MB.
  • 4.8x larger L2 cache
    AMD Ryzen 9 7900 has a higher L2 cache than the average processor (12 MB vs 2.5 MB). The average processor has L2 cache of 2.5 MB.
  • 3.11x more L3 per core
    AMD Ryzen 9 7900 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.
  • More advanced microarchitecture
    AMD Ryzen 9 7900 uses a more advanced microarchitecture than the average processor (Raphael vs Kaby Lake).
  • 58.3% smaller process node
    AMD Ryzen 9 7900 has a lower process node than the average processor (5 nm vs 12 nm). The average processor uses a process node of 12 nm.
  • More advanced foundry
    AMD Ryzen 9 7900 uses a more advanced foundry process than the average processor (TSMC 5 nm vs Intel 14 nm).
  • 2x more L2 per core
    AMD Ryzen 9 7900 has more L2 cache per core than the average processor (1 MB/core vs 0.5 MB/core). The average processor provides 0.5 MB/core of L2 cache per core.
  • 2x larger L1 cache
    AMD Ryzen 9 7900 has a higher L1 cache than the average processor (768 KB vs 384 KB). The average processor has L1 cache of 384 KB.
  • 2.65x more transistors
    AMD Ryzen 9 7900 has more transistors than the average processor (13.1 billion vs 4.95 billion). The average processor has 4.95 billion transistors.
  • 12 more PCIe lanes
    AMD Ryzen 9 7900 has more PCIe lanes than the average processor (28 vs 16). The average processor offers 16 PCIe lanes.
  • Newer PCIe version
    AMD Ryzen 9 7900 supports a newer PCIe version than the average processor (5 vs 3.0).
  • Supports memory overclocking
    AMD Ryzen 9 7900 supports memory overclocking, the average processor does not.
  • 81.7% higher memory bandwidth
    AMD Ryzen 9 7900 has a higher memory bandwidth than the average processor (83.2 GB/s vs 45.8 GB/s). The average processor offers memory bandwidth of 45.8 GB/s.
  • 77.3% higher memory speed
    AMD Ryzen 9 7900 has a higher maximum memory speed than the average processor (5,200 MHz vs 2,933 MHz). The average processor supports memory speed of 2,933 MHz.
  • Newer DDR support
    AMD Ryzen 9 7900 supports a newer DDR generation than the average processor (DDR5 vs DDR4).
  • 2x more memory capacity
    AMD Ryzen 9 7900 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 7900 supports ECC memory, the average processor does not.
  • Better integrated GPU
    AMD Ryzen 9 7900 uses a better integrated GPU than the average processor (AMD Radeon Graphics vs Intel UHD Graphics 630).
  • 1 more supported displays
    AMD Ryzen 9 7900 has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
  • Includes stock cooler
    AMD Ryzen 9 7900 includes a stock cooler, the average processor does not.
  • 5 °C lower CPU temperature
    AMD Ryzen 9 7900 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.

Total
Overall
Platform
Performance
Cache & Architecture
Memory & PCIe
Integrated Graphics
Power & Thermal
  • Older TPM support
    AMD Ryzen 9 7900 supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
  • 52.7% slower classroom rendering
    AMD Ryzen 9 7900 has a higher Blender Classroom render time than the average processor (374.8 vs 791,745). The average processor needs 791,745 for the Blender Classroom test.
  • 91.7% fewer GPU execution units
    AMD Ryzen 9 7900 has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.
  • 44.4% higher base power
    AMD Ryzen 9 7900 has a higher base power draw than the average processor (65 W vs 45 W). The average processor has a base power draw of 45 W.
  • 5 °C lower TJ Max
    AMD Ryzen 9 7900 has a lower TJ Max than the average processor (95 °C vs 100 °C). The average processor has a TJ Max of 100 °C.
  • 44.4% higher TDP
    AMD Ryzen 9 7900 has a higher TDP than the average processor (65 W vs 45 W). The average processor has a TDP of 45 W.
  • 37.5% higher boost power
    AMD Ryzen 9 7900 has a higher boost power draw than the average processor (88 W vs 64 W). The average processor has a boost power draw of 64 W.
  • 52.7% slower classroom rendering
    AMD Ryzen 9 7900 has a higher Blender Classroom render time than the average processor (374.8 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 7900 has a higher Blender Classroom render time than the average processor (374.8 vs 791,745). The average processor needs 791,745 for the Blender Classroom test.374.78 vs 791,745
  • 44.4% higher base power
    AMD Ryzen 9 7900 has a higher base power draw than the average processor (65 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 7900 has a higher base power draw than the average processor (65 W vs 45 W). The average processor has a base power draw of 45 W.65 W vs 45 W
  • 5 °C lower TJ Max
    AMD Ryzen 9 7900 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 7900 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
  • 44.4% higher TDP
    AMD Ryzen 9 7900 has a higher TDP than the average processor (65 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 7900 has a higher TDP than the average processor (65 W vs 45 W). The average processor has a TDP of 45 W.65 W vs 45 W
  • 37.5% higher boost power
    AMD Ryzen 9 7900 has a higher boost power draw than the average processor (88 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 7900 has a higher boost power draw than the average processor (88 W vs 64 W). The average processor has a boost power draw of 64 W.88 W vs 64 W
  • 91.7% fewer GPU execution units
    AMD Ryzen 9 7900 has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 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

    AMD Ryzen 9 7900 has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.2 vs 24
  • Older TPM support
    AMD Ryzen 9 7900 supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).
    What it is: The kind of TPM security support associated with the processor or its platform.
    When it matters: When operating-system requirements, device encryption, enterprise security, or platform trust features matter.

    Importance: LOW

    AMD Ryzen 9 7900 supports an older TPM version than the average processor (fTPM 2.0 vs PTT 2.0).fTPM 2.0 vs PTT 2.0
Total
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Performance
Integrated Graphics
Power & Thermal

Graphic comparison of AMD Ryzen 9 7900 and other processors

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Third-party reviews

United Kingdom
amazon
4.7
645 Reviews
amazon
5.0
7 Reviews

(Reviews last updated: May 2026)

What customers like about AMD Ryzen 9 7900?

  • Exceptional power efficiency with a low 65W TDP
  • Includes a capable AMD Wraith Prism RGB stock cooler
  • Strong multi-threaded performance, ideal for productivity and content creation
  • Runs significantly cooler and quieter than 'X' series counterparts
  • Unlocked multiplier allows for easy overclocking to nearly match 7900X performance
  • Support for modern standards including DDR5, PCIe 5.0, and AVX-512
  • Integrated RDNA 2 graphics included for basic display needs

What customers dislike about AMD Ryzen 9 7900?

  • Higher initial platform cost due to mandatory DDR5 and AM5 motherboards
  • Outperformed in gaming by cheaper specialized chips like the Ryzen 7 7800X3D
  • Stock all-core boost frequencies are notably lower than the 7900X
  • Longer boot times reported on some AM5 platforms
  • Stiff competition from Intel's Core i7-13700K which can be faster for similar pricing
  • Performance gaps between CCDs can occasionally cause issues in specific workloads

Expert reviews

T
thefpsreview.com
15/05/2026
AMD Ryzen 9 7900 - The FPS Review

The AMD Ryzen 9 7900 is a highly efficient 12-core, 24-thread processor, offering impressive single-threaded performance and power efficiency at a 65W TDP compared to higher-wattage Zen 4 models. Key advantages include exceptional thermal management and the inclusion of an AMD Wraith Prism RGB cooler, while its performance gap with the 7900X can be closed via PBO, though it trails...Read more

D
digit.in
21/09/2023
AMD Ryzen 9 7900 Desktop Processor Review - Digit

The AMD Ryzen 9 7900 is a 12-core, 24-thread, 65W TDP processor based on the Zen 4 architecture, offering high efficiency and strong single-threaded performance compared to its power-hungry "X" series counterparts. It boasts excellent thermal management, includes an integrated RDNA 2 GPU, and is bundled with a capable stock cooler, making it a versatile, high-value option for...Read more

G
guru3d.com
09/01/2023
AMD Ryzen 9 7900 processor review - Guru3D

The AMD Ryzen 9 7900 is highlighted as a highly efficient 12-core, 24-thread processor that stands out for its impressive 65W TDP, maintaining exceptional multi-threaded performance while operating at significantly lower temperatures than its "X" series counterparts. Key pros include this excellent energy efficiency, thermal performance, and a strong value proposition, along with...Read more

P
pcmag.com
26/04/2023
AMD Ryzen 9 7900 Review - PCMag

The AMD Ryzen 9 7900 is highlighted as an exceptionally power-efficient 12-core desktop processor, offering near-"X" series performance with a much lower 65W TDP. It excels in efficiency by significantly reducing power draw compared to the 7900X or Intel Core i7-13700K while maintaining competitiveness in gaming and productivity benchmarks. Key advantages include the bundled Wraith...Read more

C
cpubenchmark.net
30/03/2026
AMD Ryzen 9 7900 - CPU Benchmarks - PassMark Software

The AMD Ryzen 9 7900 is a 12-core, 24-thread Zen 4 processor designed for high-end, 65W TDP performance, balancing power efficiency with productivity and gaming capabilities. It serves as a more efficient, non-X alternative to the 7900X, utilizing the AM5 platform for DDR5 and PCIe 5.0 support. Key advantages include its excellent power efficiency and the inclusion of a Wraith Prism...Read more

C
custompc.com
04/10/2023
AMD Ryzen 9 7900 review - Custom PC

The AMD Ryzen 9 7900 is highlighted as a masterclass in power efficiency, delivering premium 12-core Zen 4 performance with a low 65W TDP while maintaining a 5.45GHz peak boost. It excels in efficiency, remaining cool under load (61°C) and offering strong single-threaded performance, making it ideal for compact, low-noise systems. Multi-threaded workloads show mixed results; while...Read more

U
uk.pcmag.com
26/04/2023
AMD Ryzen 9 7900 - Review 2023 - PCMag UK

The AMD Ryzen 9 7900 is a 12-core, 24-thread processor defined by exceptional power efficiency, utilizing a 65W TDP to deliver roughly 90% of the performance of the higher-end 7900X. It operates at lower clock speeds (3.7GHz base, 5.4GHz boost) but offers a superior performance-per-watt ratio and includes the capable AMD Wraith Prism RGB cooler, making it ideal for efficient or...Read more

G
guru3d.com
09/01/2023
AMD Ryzen 9 7900 processor review - Guru3D

The AMD Ryzen 9 7900 is a highly efficient 12-core, 24-thread processor designed for the AM5 platform, operating at a 65W TDP while utilizing the 5nm Zen 4 architecture. It boosts up to 5.4 GHz and features RDNA2 graphics, offering a "sweet spot" of high performance and low thermal output compared to the 170W "X" series. Performance-wise, the 7900 excels in multi-threaded tasks,...Read more

I
igorslab.de
09/01/2023
CPUs without the X: AMD Ryzen 9 7900 and Ryzen 5 7600 Gaming and Workstation Review

According to Igor's Lab, the 65W AMD Ryzen 9 7900 and Ryzen 5 7600 offer extreme energy efficiency and high performance-per-watt, often retaining over 90% of their "X" counterparts' capabilities. The 7900 excels in thermals and efficiency, while the 7600 is highlighted as an ideal budget-conscious gaming option, both featuring integrated RDNA 2 graphics. However, both chips are...Read more

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T
tomshardware.fr
09/01/2023
Ryzen 9 7900 and Ryzen 5 7600 Review: Zen 4 without the X factor

The Tom's Hardware France review highlights the Ryzen 9 7900 and Ryzen 5 7600 (65W TDP) as highly efficient alternatives to their "X" counterparts, offering nearly identical performance (within 5%) at much lower power consumption and temperatures. The Ryzen 5 7600 is identified as a top-tier gaming efficiency champion with included cooling, while the 12-core Ryzen 9 7900 acts as an...Read more

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P
profesionalreview.com
09/01/2023
AMD Ryzen 9 7900 Review (Full Analysis)

The AMD Ryzen 9 7900 is a 12-core, 24-thread "Zen 4" processor designed for the AM5 platform with a highly efficient 65W TDP. It offers exceptional power efficiency and, when paired with the included Wraith Prism cooler, runs cool while delivering gaming performance comparable to higher-wattage models. However, in heavy multi-threaded productivity tasks, it delivers 10–18% lower...Read more

(Translated)Show original
G
geeknetic.es
09/01/2023
AMD Ryzen 9 7900 Review: The Most Efficient 12-Core Processor [Full Analysis]

The Geeknetic review highlights the AMD Ryzen 9 7900 as an efficient 12-core, 24-thread processor that nearly matches the 7900X's performance while maintaining a lower 65W TDP, resulting in significantly lower temperatures and power consumption. Pros include the included Wraith Prism RGB cooler, superior efficiency compared to "X" variants, and strong performance for both creative...Read more

(Translated)Show original
T
tomshw.it
10/01/2023
AMD Ryzen 9 7900, Ryzen 7 7700, Ryzen 5 7600 | Review

The Tom’s Hardware Italy review highlights the 65W TDP "non-X" AMD Ryzen 9 7900, Ryzen 7 7700, and Ryzen 5 7600 as highly efficient alternatives to the initial Zen 4 lineup, featuring lower 88W PPT limits that significantly reduce heat and power consumption. While operating under these constraints results in lower all-core boost frequencies, gaming performance remains remarkably...Read more

(Translated)Show original
T
tweakers.net
22/02/2023
AMD Ryzen 9 7900 - User Reviews

The AMD Ryzen 9 7900 is highlighted as an exceptionally efficient 12-core processor, delivering roughly 90% of the 7900X’s performance at a 65W TDP while running cooler and quieter. It excels in multi-threaded tasks and includes the capable Wraith Prism RGB cooler, making it ideal for small-form-factor builds. While it nearly matches the "X" variant in gaming, it faces stiff...Read more

(Translated)Show original

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