AMD Ryzen 9 3900X vs AMD Ryzen 7 5800XT

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 5000 Series 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 229.99
$ 199.20
$ 30.79 slightly less expensive

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
2% slightly better overall score
8204 points

Gaming Score

The raw gaming performance with a fast GPU

8440 points
9603 points
13% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
8% slightly better multitasking score
7740 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
10% slightly better heavy workload score
7593 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 7 5800XT? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
12% slightly higher 3DMark Physics score
7628 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
29% slightly higher Blender score
214.43 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

3.80 GHz
Identical
3.80 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
4.8 GHz
4% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
Identical
105 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
49% significantly more L1 cache
512 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
49% significantly more L2 cache
4 MiB

L3 Cache

General memory pool for all cores

64 MiB
100% significantly more L3 cache
32 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
140th of 1,089

Family

The product line

Ryzen 9 Desktop
Ryzen 5000 Series

Release date

The official date of release of this chip

2019 July
2024 July

Memory Type

The type of memory used by this chip

DDR4
DDR4

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 3900X vs Ryzen 7 5800XT comparison

In our benchmarks, the Ryzen 9 3900X beats the Ryzen 7 5800XT in overall performance. Despite this, the Ryzen 7 5800XT has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 3900X has significantly more cores with 12 cores whereas the Ryzen 7 5800XT has 8 cores. It also has more threads than the Ryzen 7 5800XT. In terms of clock speed, the Ryzen 9 3900X and Ryzen 7 5800XT are identical in this regard. Despite this, the Ryzen 7 5800XT has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 3900X has significantly more L2 cache than the Ryzen 7 5800XT. The Ryzen 9 3900X also has significantly more 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 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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