AMD Ryzen 7 3800X vs AMD Ryzen 5 8640HS

Compare AMD Ryzen 7 Desktop 8 core CPU vs AMD Ryzen 5 6 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Other Benchmarks
Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

6549 points

2% slightly better overall score

6405 points

Gaming Score

The raw gaming performance with a fast GPU

7888 points

9018 points

14% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6111 points

9% slightly better multitasking score

5593 points

Heavy Workload Score

Performance in workloads using up to 16 cores

5988 points

10% slightly better heavy workload score

5403 points

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

185.59 points

20% slightly higher Blender score

153.60 points

Geekbench 6 (multi) score

Multi threaded benchmark

8236 points

3% slightly higher Geekbench 6 (multi) score

7982 points

Geekbench 6 (single) score

Single threaded benchmark

1703 points

2119 points

24% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

33% slightly more cores

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.9 GHz

11% slightly higher clock speed

3.50 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.5 GHz

4.9 GHz

8% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W

28 W

274% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB

6 MiB

49% significantly more L2 cache

L3 Cache

General memory pool for all cores

32 MiB

100% significantly more L3 cache

16 MiB

Other details

Rank

Ranking in the hardwareDB database

218th of 1,089

227th of 1,089

Family

The product line

Ryzen 7 Desktop

Ryzen 5

Release date

The official date of release of this chip

2019 July

Memory Type

The type of memory used by this chip

DDR4

DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 7 3800X vs Ryzen 5 8640HS benchmarks

In our benchmarks, the Ryzen 5 8640HS beats the Ryzen 7 3800X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 3800X in all gaming tests too.

With info from our database, we find that the Ryzen 7 3800X has slightly more cores with 8 cores whereas the Ryzen 5 8640HS has 6 cores. It also has more threads than the Ryzen 5 8640HS. With our hardware info, we find that the Ryzen 7 3800X has a slightly higher clock speed than the Ryzen 5 8640HS. In terms of cache, the Ryzen 5 8640HS has significantly more L2 cache when compared to the Ryzen 7 3800X. Despite this, the Ryzen 7 3800X has significantly more L3 cache compared to the Ryzen 5 8640HS.

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 7 3800X has more threads than cores. Each physical core is split into multiple threads.