AMD Ryzen 9 5900 vs AMD Ryzen 9 8945H

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD 8 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

8883 points
8895 points
0.14% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

9577 points
10846 points
13% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8669 points
4% slightly better multitasking score
8278 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8618 points
6% slightly better heavy workload score
8127 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 5900 and the Ryzen 9 8945H? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

298.75 points
32% slightly higher Blender score
224.72 points

Specifications

Cores

Number of physical processing units

12
49% significantly more cores
8

Threads

Number of logical processing units

24
49% significantly more threads
16

Clock Speed

Base frequency at which the chip operates

3 GHz
4.00 GHz
33% slightly higher clock speed

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
8 MiB
33% slightly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
300% significantly more L3 cache
16 MiB

Other details

Rank

Ranking in the hardwareDB database

118th of 1,105
117th of 1,105

Family

The product line

Ryzen 9 Desktop
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Release date

The official date of release of this chip

2021 December
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Memory Type

The type of memory used by this chip

DDR4
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Is Unlocked

Can this CPU can be overclocked

Yes
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Ryzen 9 5900 vs Ryzen 9 8945H benchmarks

Our benchmark analysis concludes that the Ryzen 9 8945H performs better than the Ryzen 9 5900. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900 in all gaming tests too.

With info from our database, we find that the Ryzen 9 5900 has significantly more cores with 12 cores whereas the Ryzen 9 8945H has 8 cores. It also has more threads than the Ryzen 9 8945H. These CPUs have different clock speeds. Indeed, the Ryzen 9 8945H has a slightly higher clock speed compared to the Ryzen 9 5900. The info from our database shows that the Ryzen 9 8945H has more L2 cache than the Ryzen 9 5900. Despite this, the Ryzen 9 5900 has significantly more L3 cache compared to the Ryzen 9 8945H.

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 9 5900 has more threads than cores. Each physical core is split into multiple threads.

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