AMD Ryzen 5 7640HS vs AMD Ryzen 9 8940HX

Compare AMD Ryzen 7000 Series 6 core CPU vs AMD Ryzen 8000 Series 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

6306 points

10700 points

69% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8479 points

10758 points

26% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

5619 points

10731 points

90% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

5454 points

10842 points

98% significantly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

163.82 points

458.15 points

179% significantly higher Blender score

Specifications

Cores

Number of physical processing units

166% significantly more cores

Threads

Number of logical processing units

166% significantly more threads

Clock Speed

Base frequency at which the chip operates

4.30 GHz

48% significantly higher clock speed

2.9 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz

5.3 GHz

6% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

54 W

1% slightly lower TDP

55 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

384 KiB

1024 KiB

166% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB

49% significantly more L2 cache

4 MiB

L3 Cache

General memory pool for all cores

16 MiB

100% significantly more L3 cache

8 MiB

Other details

Rank

Ranking in the hardwareDB database

235th of 1,089

75th of 1,089

Family

The product line

Ryzen 7000 Series

Ryzen 8000 Series

Release date

The official date of release of this chip

2023 April

2025 April

Memory Type

The type of memory used by this chip

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 5 7640HS vs Ryzen 9 8940HX specs and performance

Our benchmark analysis concludes that the Ryzen 5 7640HS performs better than the Ryzen 9 8940HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 8940HX in all gaming tests too.

With info from our database, we find that the Ryzen 9 8940HX has slightly more cores with 8 cores whereas the Ryzen 5 7640HS has 6 cores. It also has more threads than the Ryzen 5 7640HS. With our hardware info, we find that the Ryzen 5 7640HS has a significantly higher clock speed than the Ryzen 9 8940HX. Despite this, the Ryzen 9 8940HX has a slightly higher turbo speed. A Ryzen 5 7640HS CPU outputs less heat than a Ryzen 9 8940HX CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Ryzen 5 7640HS has more L2 cache than the Ryzen 9 8940HX. The Ryzen 5 7640HS also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 5 7640HS has more threads than cores. Each physical core is split into multiple threads.