AMD Ryzen 5 8645HS vs AMD Ryzen 5 6600H

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

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Benchmark Score

Overall Score

A combined score of all workloads

7040 points
32% slightly better overall score
5297 points

Gaming Score

The raw gaming performance with a fast GPU

9593 points
34% slightly better gaming score
7112 points

Multitasking Score

Performance in workloads using up to 8 cores

6234 points
31% slightly better multitasking score
4735 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6029 points
31% slightly better heavy workload score
4596 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 5 8645HS and the Ryzen 5 6600H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

156.82 points
21% slightly higher Blender score
129.09 points

Specifications

Cores

Number of physical processing units

6
Identical
6

Threads

Number of logical processing units

12
Identical
12

Clock Speed

Base frequency at which the chip operates

4.30 GHz
30% slightly higher clock speed
3.30 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
11% slightly higher turbo speed
4.5 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

45 W
Identical
45 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
100% significantly more L2 cache
3 MiB

L3 Cache

General memory pool for all cores

16 MiB
Identical
16 MiB

Other details

Rank

Ranking in the hardwareDB database

195th of 1,099
317th of 1,099

Family

The product line

Ryzen 5
Ryzen 5 Mobile

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)
DDR5

Is Unlocked

Can this CPU can be overclocked

No
No

Ryzen 5 8645HS vs Ryzen 5 6600H specs and performance

In our benchmarks, the Ryzen 5 8645HS beats the Ryzen 5 6600H in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 5 6600H in all gaming tests too.

When comparing these CPUs we notice that they have the same number of cores and the same number of threads. These CPUs have different clock speeds. Indeed, the Ryzen 5 8645HS has a slightly higher clock speed compared to the Ryzen 5 6600H. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 5 8645HS has significantly more L2 cache when compared to the Ryzen 5 6600H. However, both these chips have the same amount of L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Ryzen 5 8645HS has more threads than cores. Each physical core is split into multiple threads.

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