AMD Ryzen 7 5800X3D vs AMD Ryzen 5 8645HS

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?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

7335 points
4% slightly better overall score
7040 points

Gaming Score

The raw gaming performance with a fast GPU

8938 points
9593 points
7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6797 points
9% slightly better multitasking score
6234 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6646 points
10% slightly better heavy workload score
6029 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 7 5800X3D and the Ryzen 5 8645HS? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

209.61 points
33% slightly higher Blender score
156.82 points

Specifications

Cores

Number of physical processing units

8
33% slightly more cores
6

Threads

Number of logical processing units

16
33% slightly more threads
12

Clock Speed

Base frequency at which the chip operates

3.40 GHz
4.30 GHz
26% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.5 GHz
5 GHz
11% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
45 W
133% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

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

96 MiB
499% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

172nd of 1,089
189th of 1,089

Family

The product line

Ryzen 7 Desktop
Ryzen 5

Release date

The official date of release of this chip

2022 April
-

Memory Type

The type of memory used by this chip

DDR4
DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

No
No

Ryzen 7 5800X3D vs Ryzen 5 8645HS benchmarks

In our benchmarks, the Ryzen 5 8645HS beats the Ryzen 7 5800X3D in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 5800X3D in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 7 5800X3D has slightly more cores than the Ryzen 5 8645HS. Indeed, the Ryzen 7 5800X3D has 8 cores compared to 6 cores found in the Ryzen 5 8645HS. It also has more threads than the Ryzen 5 8645HS. These CPUs have different clock speeds. Indeed, the Ryzen 5 8645HS has a slightly higher clock speed compared to the Ryzen 7 5800X3D. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. The Ryzen 5 8645HS outputs less heat than Ryzen 7 5800X3D thanks to a significantly 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 8645HS has more L2 cache than the Ryzen 7 5800X3D. Despite this, the Ryzen 7 5800X3D has significantly more L3 cache compared to the Ryzen 5 8645HS.

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 5800X3D has more threads than cores. Each physical core is split into multiple threads.

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