OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Processors Methodology v3.0
Processors Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Processors Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Processors Methodology v3.0

AMD Ryzen 7 7840HX review: 74 specs compared

Avg. price:~£1,060PassMark multi-core score:41407N. of physical cores:12CPU boost clock speed:5.1 GHzCPU socket:FL1TDP (Thermal design power):55 W

AMD Ryzen 7 7840HX Review: Compare 74 technical specifications to see how this product ranks in the Processors category and whether it is worth buying.

7.7/10

Overall score

Score
7.7/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, expert reviews, best-of lists and owners.
How we count it
Parts: Technical score 40%, Reviews score 25%, List score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 85% of models
Score components

40%

8.3

Technical score

25%

?

Reviews scoreNot enough data yet, so we use 7.2, the mark of a weaker model in this category

25%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

10%

?

Sentiment scoreNot enough data yet, so we use 7.0, the mark of a weaker model in this category

â–²Better than 85% of processors
6.9

Value for money

Value for money
6.9/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 75% of models
Score components

70%

7.7

Overall score

30%

4.9

Price

â–¼Worse than 75%
8.3

Technical score

Technical score
8.3/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
★ Better than 91% of models
Score components

60%

8.6

Performance

18%

7.7

Architecture

10%

8.2

Memory & PCIe

7%

7.0

Power & Thermal

4%

8.3

Platform

1%

8.4

Integrated graphics

★Better than 91%
?

Reviews score

Reviews score
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.2 for now.
Share: Reviews count 25% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
Grades by review (0)
We have not found an independent test of this model yet. Until we do, its review part counts as 7.2.
User ratings collected online are not part of this score.
No expert tests yet
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 25% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • No image
No image
Where to buy
    N/A~ £1,060
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
Loading category ranking...

Technical Specifications of processor AMD Ryzen 7 7840HX

Technical score
Technical score
8.3/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 40% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
★ Better than 91% of models
Score components:

60%

8.6

Performance

18%

7.7

Architecture

10%

8.2

Memory & PCIe

7%

7.0

Power & Thermal

4%

8.3

Platform

1%

8.4

Integrated graphics

8.3
Reviews score
7.2
List score
?
Value for money
Value for money
6.9/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 75% of models
Score components:

70%

7.7

Overall score

30%

4.9

Price

6.9
Processor type
mobile
This processor belongs to the mobile processor class, which is more advanced than that of 6.9% of processors and equal to that of 47.7% of processors.
CPU socket
FL1
This processor uses the FL1 CPU socket, which is older than that of 63.2% of processors and equal to that of 1% of processors.
Chipset
N/A
CPU architecture
x86-64
This processor uses the x86-64 architecture, which is more advanced than that of 1.8% of processors and equal to that of 98.2% of processors.
Instruction sets
MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, AES, SHA, AMD-V
This processor supports MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3, AES, SHA, AMD-V instruction sets, which is broader support than 69.3% of processors and equal to that of 7.1% of processors.
Show more
N. of physical cores
12
Market range: <2 – >12
This processor has 12 CPU cores, which is more than 79.9% of processors and equal to 5.7% of processors.
CPU threads
24
Market range: <4 – >24
This processor offers 24 CPU threads, which is more than 89.7% of processors and equal to 4.4% of processors.
CPU boost clock speed
5.1 GHz
Market range: <3 GHz – >5.5 GHz
This processor reaches a boost clock of 5.1 GHz which is higher than that of 84.5% of processors and equal to that of 4.3% of processors.
CPU base clock speed
12x 2.9 GHz
This processor has a base clock of 12x2.9 GHz which is higher than that of 88.5% of processors and equal to that of 0.1% of processors.
PassMark multi-core score
41,407
Market range: <2.5k – >32.5k
This processor scores 41,407 in PassMark, which is higher than 93.1% of processors.
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Semiconductor size
5 nm
Market range: <4 nm – >24 nm
This processor uses a 5 nm process node, which is more advanced than that of 83.5% of processors and equal to that of 3.2% of processors.
Foundry
TSMC 5 nm
This processor is built on the TSMC 5 nm foundry process, which is more advanced than that of 83.1% of processors and equal to that of 3.2% of processors.
L3 cache
64 MB
Market range: <2 MB – >32 MB
This processor has an L3 cache of 64 MB which is larger than that of 94.5% of processors and equal to that of 2.8% of processors.
L2 cache
8 MB
Market range: <1 MB – >16 MB
This processor has an L2 cache of 8 MB which is larger than that of 72% of processors and equal to that of 4.4% of processors.
L1 cache
768 KB
Market range: <128 KB – >1.2k KB
This processor has an L1 cache of 768 KB which is larger than that of 77.6% of processors and equal to that of 3.3% of processors.
Show more
DDR memory version
DDR5
This processor supports DDR DDR5, which is newer than that of 64.2% of processors and equal to that of 12.8% of processors.
Maximum memory speed
5,200 MHz
Market range: <1.5k MHz – >6.5k MHz
This processor supports memory speeds up to 5,200 MHz, which is higher than that of 70.6% of processors and equal to 6.6% of processors.
Max memory speed (JEDEC)
DDR5-5200 MHz
This processor supports JEDEC memory speeds up to DDR5-5200 MHz, which is higher than that of 71% of processors and equal to 5.6% of processors.
Max memory speed (XMP / EXPO)
?
Maximum memory capacity
64 GB
Market range: <32 GB – >256 GB
This processor supports up to 64 GB of memory, which is more than 27.2% of processors and equal to 26.1% of processors.
Show more
Integrated graphics
yes
This processor includes integrated graphics. 14.7% of processors offer this.
AMD Radeon 610M
Integrated GPU model
Radeon 610M
This processor uses the Radeon 610M integrated GPU, which is more advanced than that in 88.9% of processors and equal to that in 1.9% of processors.
Integrated GPU execution units
2
Market range: <6 – >64
This processor has 2 GPU execution units, which is fewer than 95.5% of processors and equal to 4.5% of processors.
Integrated GPU base frequency
1,500 MHz
Market range: <300 MHz – >800 MHz
This processor has an integrated GPU clock of 1,500 MHz which is higher than that of 97.2% of processors and equal to that of 0.5% of processors.
Integrated media encoders/decoders
H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode/encode)
This processor supports H.264 (HW decode/encode), H.265 (HW decode/encode), VP9 (HW decode), AV1 (HW decode/encode) media codecs, which is broader support than 90.8% of processors and equal to 3.4% of processors.
Show more
TDP (Thermal design power)
55 W
Market range: <15 W – >90 W
This processor has a TDP of 55 W which is higher than that of 61.7% of processors and equal to that of 4.2% of processors.
Base power (PL1)
55 W
Market range: <15 W – >90 W
This processor has a base power of 55 W which is higher than that of 61.8% of processors and equal to that of 4.3% of processors.
Boost power (PL2)
?
Tau (power duration limit)
N/A
Configurable TDP
yes
This processor supports configurable TDP. 46.4% of processors offer this.
cTDP: 45-75 W
Show more

AMD Ryzen 7 7840HX vs the average processor

246810TotalPlatformPerformanceArchitectureMemory & PCIeIntegrated graphicsPower & Thermal
  • 7.95x higher multi-core score
    This processor has a higher Geekbench 6 multi-core score than the average processor (41,407 vs 5,209). The average processor scores 5,209 in Geekbench 6 multi-core.
    41,407 vs 5,209
  • 3.61x higher PassMark score
    This processor has a higher PassMark benchmark score than the average processor (41,407 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
    41,407 vs 11,469
  • More advanced microarchitecture
    This processor uses a more advanced microarchitecture than the average processor (Dragon Range vs Kaby Lake).
    Dragon Range vs Kaby Lake
  • 8 more performance cores
    This processor has more performance cores than the average processor (12 vs 4). The average processor has 4 performance cores.
    12 vs 4
  • 16 more CPU threads
    This processor has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
    24 vs 8
  • 6 more CPU cores
    This processor has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
    12 vs 6
  • 43.4% better single-core performance
    This processor has a higher PassMark single-core score than the average processor (3,669 vs 2,558). The average processor scores 2,558 in PassMark single-core.
    3,669 vs 2,558
  • 15.9% higher boost clock
    This processor has a higher boost clock speed than the average processor (5.1 GHz vs 4.4 GHz). The average processor reaches boost clock speed of 4.4 GHz.
    5.1 GHz vs 4.4 GHz
  • 4 years newer release date
    This processor has a newer release date than the average processor (2024 vs 2020).
    January 2024
    2024 vs 2020
  • 7.95x higher multi-core score
    This processor has a higher Geekbench 6 multi-core score than the average processor (41,407 vs 5,209). The average processor scores 5,209 in Geekbench 6 multi-core.
    41,407 vs 5,209
  • 3.61x higher PassMark score
    This processor has a higher PassMark benchmark score than the average processor (41,407 vs 11,469). The average processor scores 11,469 in PassMark benchmark.
    41,407 vs 11,469
  • 8 more performance cores
    This processor has more performance cores than the average processor (12 vs 4). The average processor has 4 performance cores.
    12 vs 4
  • 16 more CPU threads
    This processor has more CPU threads than the average processor (24 vs 8). The average processor has 8 CPU threads.
    24 vs 8
  • 6 more CPU cores
    This processor has more CPU cores than the average processor (12 vs 6). The average processor has 6 CPU cores.
    12 vs 6
  • 43.4% better single-core performance
    This processor has a higher PassMark single-core score than the average processor (3,669 vs 2,558). The average processor scores 2,558 in PassMark single-core.
    3,669 vs 2,558
  • 15.9% higher boost clock
    This processor has a higher boost clock speed than the average processor (5.1 GHz vs 4.4 GHz). The average processor reaches boost clock speed of 4.4 GHz.
    5.1 GHz vs 4.4 GHz
  • Unlocked for overclocking
    This processor has an unlocked multiplier, while the average processor does not. 22.6% of processors offer this.
  • Higher base clock
    This processor has a higher base clock than the average processor (12x2.9 GHz vs 4x3.4 GHz).
    12x2.9 GHz vs 4x3.4 GHz
  • 10 higher clock multiplier
    This processor has a higher clock multiplier than the average processor (38 vs 28). The average processor has a clock multiplier of 28.
    38 vs 28
  • More advanced microarchitecture
    This processor uses a more advanced microarchitecture than the average processor (Dragon Range vs Kaby Lake).
    Dragon Range vs Kaby Lake
  • 7.11x larger L3 cache
    This processor has a higher L3 cache than the average processor (64 MB vs 9 MB). The average processor has L3 cache of 9 MB.
    64 MB vs 9 MB
  • 2.88x more L3 per core
    This processor has more L3 cache per core than the average processor (5.3 MB/core vs 1.85 MB/core). The average processor provides 1.85 MB/core of L3 cache per core.
    5.33 MB/core vs 1.85 MB/core
  • 58.3% smaller process node
    This processor has a lower process node than the average processor (5 nm vs 12 nm). The average processor uses a process node of 12 nm.
    5 nm vs 12 nm
  • 2.67x larger L2 cache
    This processor has a higher L2 cache than the average processor (8 MB vs 3 MB). The average processor has L2 cache of 3 MB.
    8 MB vs 3 MB
  • More advanced foundry
    This processor uses a more advanced foundry process than the average processor (TSMC 5 nm vs Intel 14 nm).
    TSMC 5 nm vs Intel 14 nm
  • 2x more L2 per core
    This processor 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.
    1 MB/core vs 0.5 MB/core
  • 2x larger L1 cache
    This processor has a higher L1 cache than the average processor (768 KB vs 384 KB). The average processor has L1 cache of 384 KB.
    768 KB vs 384 KB
  • 12 more PCIe lanes
    This processor has more PCIe lanes than the average processor (28 vs 16). The average processor offers 16 PCIe lanes.
    28 vs 16
  • Newer PCIe version
    This processor supports a newer PCIe version than the average processor (5 vs 3).
    5 vs 3
  • Supports memory overclocking
    This processor supports memory overclocking, while the average processor does not. 43.9% of processors support memory overclocking.
  • 77.4% higher memory bandwidth
    This processor has a higher memory bandwidth than the average processor (83.2 GB/s vs 46.9 GB/s). The average processor offers memory bandwidth of 46.9 GB/s.
    83.2 GB/s vs 46.9 GB/s
  • Newer DDR support
    This processor supports a newer DDR generation than the average processor (DDR5 vs DDR4).
    DDR5 vs DDR4
  • 62.5% higher memory speed
    This processor has a higher maximum memory speed than the average processor (5,200 MHz vs 3,200 MHz). The average processor supports memory speed of 3,200 MHz.
    5,200 MHz vs 3,200 MHz
  • Higher JEDEC memory speed
    This processor has a higher JEDEC memory speed than the average processor (DDR5-5200 MHz vs DDR4-3200 MHz). The average processor supports JEDEC memory speed of DDR4-3200 MHz.
    DDR5-5,200 MHz vs DDR4-3,200 MHz
  • Better integrated GPU
    This processor uses a better integrated GPU than the average processor (Radeon 610M vs Intel UHD Graphics 630).
    Radeon 610M vs Intel UHD Graphics 630
  • 4.29x higher GPU clock speed
    This processor has a higher integrated GPU frequency than the average processor (1,500 MHz vs 350 MHz). The average processor has integrated GPU frequency of 350 MHz.
    1,500 MHz vs 350 MHz
  • 1 more supported displays
    This processor has more supported displays than the average processor (4 vs 3). The average processor supports 3 displays.
    4 vs 3
  • 49.2% larger die size
    This processor has a higher die size than the average processor (264 mm² vs 177 mm²). The average processor has a die size of 177 mm².
    264 mm² vs 177 mm²
  • 4.24x more expensive
    AMD Ryzen 7 7840HX is more expensive than the average processor (£1,060 vs £250).
    £1,060 vs £250
  • 91.7% fewer GPU execution units
    This processor has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.
    2 vs 24
  • 22.2% higher base power
    This processor has a higher base power draw than the average processor (55 W vs 45 W). The average processor has a base power draw of 45 W.
    55 W vs 45 W
  • 6.3% worse value for money
    AMD Ryzen 7 7840HX has worse value for money than the average processor (6.85 vs 7.3).
    6.85 vs 7.29
  • Limited PCIe bifurcation
    This processor supports less flexible PCIe bifurcation than the average processor (x16, x8/x8, x8/x4/x4 vs x16, x8/x8, x4/x4/x4/x4).
    x16, x8/x8, x8/x4/x4 vs x16, x8/x8, x4/x4/x4/x4
  • Older TPM support
    This processor supports an older TPM version than the average processor (fTPM 2 vs PTT 2).
    fTPM 2.0 vs PTT 2.0
  • 22.2% higher TDP
    This processor has a higher TDP than the average processor (55 W vs 45 W). The average processor has a TDP of 45 W.
    55 W vs 45 W
  • 4.24x more expensive
    AMD Ryzen 7 7840HX is more expensive than the average processor (£1,060 vs £250).
    £1,060 vs £250
  • 6.3% worse value for money
    AMD Ryzen 7 7840HX has worse value for money than the average processor (6.85 vs 7.3).
    6.85 vs 7.29
  • Older TPM support
    This processor supports an older TPM version than the average processor (fTPM 2 vs PTT 2).
    fTPM 2.0 vs PTT 2.0
  • 49.2% larger die size
    This processor has a higher die size than the average processor (264 mm² vs 177 mm²). The average processor has a die size of 177 mm².
    264 mm² vs 177 mm²
  • Limited PCIe bifurcation
    This processor supports less flexible PCIe bifurcation than the average processor (x16, x8/x8, x8/x4/x4 vs x16, x8/x8, x4/x4/x4/x4).
    x16, x8/x8, x8/x4/x4 vs x16, x8/x8, x4/x4/x4/x4
  • 91.7% fewer GPU execution units
    This processor has fewer GPU execution units than the average processor (2 vs 24). The average processor has 24 GPU execution units.
    2 vs 24
  • 22.2% higher base power
    This processor has a higher base power draw than the average processor (55 W vs 45 W). The average processor has a base power draw of 45 W.
    55 W vs 45 W
  • 22.2% higher TDP
    This processor has a higher TDP than the average processor (55 W vs 45 W). The average processor has a TDP of 45 W.
    55 W vs 45 W

Third-party reviews

What customers like about AMD Ryzen 7 7840HX

  • High-performance architecture with 12 cores and 24 threads for demanding multitasking
  • Large 64MB L3 cache significantly improves system-wide performance and gaming
  • Unlocked multiplier allows for easier overclocking compared to standard mobile chips
  • Strong single-core and multi-core performance leads over lower-tier HS and U series variants
  • Modern PCIe 5.0 support for future-proof connectivity with high-speed components

What customers don't like about AMD Ryzen 7 7840HX

  • Higher power consumption compared to the efficiency-focused HS and U series
  • Increased thermal output requires robust and often louder cooling solutions in laptops
  • Soldered design (FP7/FP8 socket) prevents any future user-replacement or upgrades
  • Typically found in more expensive, bulkier gaming laptops rather than thin-and-light models
  • Some users reported higher idle power draw which can negatively impact overall battery life

Verdict

The AMD Ryzen 7 7840HX is a high-end laptop processor from the 'Dragon Range' series, featuring 12 physical cores and 24 threads based on the Zen 4 architecture and a 5nm manufacturing process. It operates with a base clock speed of 2.9 GHz and can boost up to 5.1 GHz, supported by a substantial 64MB of L3 cache and a default TDP of 55W (configurable up to 75W). Its main pros include exceptional multi-threaded performance for gaming and demanding workstation tasks, support for modern PCIe 5.0 and DDR5-5200 memory, and an unlocked multiplier for potential overclocking. However, notable cons include its high power consumption compared to the 'Phoenix' HS-series, limited integrated graphics (Radeon 610M with only 2 cores), and a lack of support for USB4 or an integrated AI NPU found in other 7000-series mobile chips.

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