AMD Ryzen 9 3900X vs AMD Ryzen 9 9950X

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 9000 Series 16 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
$ 302.19 significantly less expensive
$ 532.18

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
17229 points
104% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8440 points
15130 points
79% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
17969 points
113% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
18272 points
117% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 9 9950X? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
16731 points
94% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
605.81 points
118% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
21438 points
116% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
3385 points
98% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

12
16
33% slightly more cores

Threads

Number of logical processing units

24
32
33% slightly more threads

Clock Speed

Base frequency at which the chip operates

3.80 GHz
4.3 GHz
13% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
5.7 GHz
23% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
61% significantly lower TDP
170 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
1280 KiB
66% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
16 MiB
166% significantly more L2 cache

L3 Cache

General memory pool for all cores

64 MiB
Identical
64 MiB

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089
7th of 1,089

Family

The product line

Ryzen 9 Desktop
Ryzen 9000 Series

Release date

The official date of release of this chip

2019 July
2024 August

Memory Type

The type of memory used by this chip

DDR4
DDR5

Is Unlocked

Can this CPU can be overclocked

Yes
Yes

Ryzen 9 3900X vs Ryzen 9 9950X benchmarks

Our benchmark analysis concludes that the Ryzen 9 9950X performs better than the Ryzen 9 3900X. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900X in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 9950X has slightly more cores with 16 cores compared to the Ryzen 9 3900X that has 12 cores. It also has more threads than the Ryzen 9 3900X. With our hardware info, we find that the Ryzen 9 9950X has a slightly higher clock speed than the Ryzen 9 3900X. Also, the Ryzen 9 9950X has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a Ryzen 9 9950X CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Ryzen 9 9950X has more L2 cache than the Ryzen 9 3900X. However, both these chips have the same amount of L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.

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