AMD Ryzen 9 3900X vs AMD Ryzen 9 5900

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 9 Desktop 12 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

8425 points
8854 points
5% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8441 points
9545 points
13% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8409 points
8646 points
2% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8396 points
8600 points
2% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 9 5900? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
6% slightly higher 3DMark Physics score
8096 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
298.75 points
7% slightly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

9929 points
1% slightly higher Geekbench 5 (multi) score
9801 points
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1667 points
2053 points
23% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
10663 points
7% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
2128 points
24% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

12
Identical
12

Threads

Number of logical processing units

24
Identical
24

Clock Speed

Base frequency at which the chip operates

3.80 GHz
26% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
4.7 GHz
2% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
65 W
61% significantly lower TDP

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
Identical
768 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
Identical
6 MiB

L3 Cache

General memory pool for all cores

64 MiB
Identical
64 MiB

Other details

Rank

Ranking in the hardwareDB database

134th of 1,096
118th of 1,096

Family

The product line

Ryzen 9 Desktop
Ryzen 9 Desktop

Release date

The official date of release of this chip

2019 July
2021 December

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 9 5900 specs and performance

According to the hardwareDB Benchmark tool, the Ryzen 9 3900X is faster than the Ryzen 9 5900. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900 in all gaming tests too.

Our spec comparison shows that they have an identical amount of cores and the same number of threads. Our comparison shows that the Ryzen 9 3900X has a slightly higher clock speed compared to the Ryzen 9 5900. Despite this, the Ryzen 9 5900 has a slightly higher turbo speed. The Ryzen 9 5900 outputs less heat than Ryzen 9 3900X thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. When comparing cache sizes, these CPUs have an identical amount of L2 cache and L3 cache.

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 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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