AMD Ryzen 7 3800XT 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?

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

7216 points

2% slightly better overall score

7040 points

Gaming Score

The raw gaming performance with a fast GPU

8527 points

9593 points

12% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

6778 points

8% slightly better multitasking score

6234 points

Heavy Workload Score

Performance in workloads using up to 16 cores

6644 points

10% slightly better heavy workload score

6029 points

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

185.87 points

18% slightly higher Blender score

156.82 points

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

4.30 GHz

10% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.7 GHz

5 GHz

6% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W

45 W

133% significantly lower TDP

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

176th 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

2020 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 3800XT vs Ryzen 5 8645HS specs and performance

In our benchmarks, the Ryzen 7 3800XT beats the Ryzen 5 8645HS in overall performance. Despite this, the Ryzen 5 8645HS has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 7 3800XT has slightly more cores with 8 cores whereas the Ryzen 5 8645HS has 6 cores. It also has more threads than the Ryzen 5 8645HS. With our hardware info, we find that the Ryzen 5 8645HS has a slightly higher clock speed than the Ryzen 7 3800XT. Also, the Ryzen 5 8645HS has a slightly higher turbo speed. The Ryzen 5 8645HS outputs less heat than Ryzen 7 3800XT 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 3800XT. Despite this, the Ryzen 7 3800XT has significantly more L3 cache compared to the Ryzen 5 8645HS.

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