AMD Ryzen 9 5900X vs AMD Ryzen 7 7840H

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD 8 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

9859 points
9% slightly better overall score
8985 points

Gaming Score

The raw gaming performance with a fast GPU

9924 points
10717 points
7% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

9836 points
17% slightly better multitasking score
8377 points

Heavy Workload Score

Performance in workloads using up to 16 cores

9828 points
20% slightly better heavy workload score
8167 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 5900X and the Ryzen 7 7840H? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

10192 points
37% slightly higher 3DMark Physics score
7434 points
Blender score

Blender score

Cycles Render (Samples per minute)

313.97 points
82% significantly higher Blender score
172.18 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

3.7 GHz
3.80 GHz
2% 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

94th of 1,089
111th of 1,089

Family

The product line

Ryzen 9 Desktop
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Release date

The official date of release of this chip

2020 May
-

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 5900X vs Ryzen 7 7840H comparison

In our benchmarks, the Ryzen 9 5900X beats the Ryzen 7 7840H in overall performance. Despite this, the Ryzen 7 7840H has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Ryzen 9 5900X has significantly more cores than the Ryzen 7 7840H. Indeed, the Ryzen 9 5900X has 12 cores compared to 8 cores found in the Ryzen 7 7840H. It also has more threads than the Ryzen 7 7840H. With our hardware info, we find that the Ryzen 7 7840H has a slightly higher clock speed than the Ryzen 9 5900X. In terms of cache, the Ryzen 7 7840H has slightly more L2 cache when compared to the Ryzen 9 5900X. Despite this, the Ryzen 9 5900X has significantly more L3 cache compared to the Ryzen 7 7840H.

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

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