AMD Ryzen 5 8645HS vs AMD Ryzen 5 8400F

Compare AMD Ryzen 5 6 core CPU vs AMD Ryzen 8000 Series 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
7722 points
9% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9593 points
10390 points
8% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6234 points
6857 points
9% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

6029 points
6632 points
10% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 5 8645HS and the Ryzen 5 8400F? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

156.82 points
179.45 points
14% slightly higher Blender score

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
2% slightly higher clock speed
4.2 GHz

Turbo Speed

Higher frequency used for heavy workloads

5 GHz
6% slightly higher turbo speed
4.7 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

45 W
44% significantly lower TDP
65 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
Identical
6 MiB

L3 Cache

General memory pool for all cores

16 MiB
Identical
16 MiB

Other details

Rank

Ranking in the hardwareDB database

189th of 1,089
156th of 1,089

Family

The product line

Ryzen 5
Ryzen 8000 Series

Release date

The official date of release of this chip

-
2024 April

Memory Type

The type of memory used by this chip

DDR5 (FP7r2)
DDR5

Is Unlocked

Can this CPU can be overclocked

No
Yes

Ryzen 5 8645HS vs Ryzen 5 8400F benchmarks

In our benchmarks, the Ryzen 5 8645HS beats the Ryzen 5 8400F in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 5 8400F 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 8400F. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. A Ryzen 5 8645HS CPU outputs less heat than a Ryzen 5 8400F CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. When comparing cache sizes, these CPUs have an identical amount of L2 cache and 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 8645HS has more threads than cores. Each physical core is split into multiple threads.

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