AMD Ryzen 9 3900X vs AMD Ryzen 7 5700X3D

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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Price

The cheapest price from our partner retailers

$ 229.99
$ 100.00 significantly less expensive
$ 329.99

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
20% slightly better overall score
6994 points

Gaming Score

The raw gaming performance with a fast GPU

8440 points
2% slightly better gaming score
8202 points

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
27% slightly better multitasking score
6575 points

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
30% slightly better heavy workload score
6440 points

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 7 5700X3D? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
27% slightly higher 3DMark Physics score
6750 points
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
47% significantly higher Blender score
187.18 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
10106 points
2% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
1922 points
12% slightly higher Geekbench 6 (single) score

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
6% slightly higher clock speed
3.58 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
12% slightly higher turbo speed
4.1 GHz

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
96 MiB
49% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
194th 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 January

Memory Type

The type of memory used by this chip

DDR4
DDR4

Is Unlocked

Can this CPU can be overclocked

Yes
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Ryzen 9 3900X vs Ryzen 7 5700X3D benchmarks

According to the hardwareDB Benchmark tool, the Ryzen 9 3900X is faster than the Ryzen 7 5700X3D. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 5700X3D in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 3900X has significantly more cores than the Ryzen 7 5700X3D. Indeed, the Ryzen 9 3900X has 12 cores compared to 8 cores found in the Ryzen 7 5700X3D. It also has more threads than the Ryzen 7 5700X3D. Our comparison shows that the Ryzen 9 3900X has a slightly higher clock speed compared to the Ryzen 7 5700X3D. The info from our database shows that the Ryzen 9 3900X has more L2 cache than the Ryzen 7 5700X3D. Despite this, the Ryzen 7 5700X3D has significantly more L3 cache compared to the Ryzen 9 3900X.

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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