AMD Ryzen 9 3900X vs AMD Ryzen 9 9900X

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 9000 Series 12 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

Quickly search and compare processors

Price

The cheapest price from our partner retailers

$ 229.99
$ 139.01 significantly less expensive
$ 369.00

Benchmark Score

Overall Score

A combined score of all workloads

8422 points
13788 points
63% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8440 points
14026 points
66% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points
13725 points
63% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points
13727 points
63% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 9 3900X and the Ryzen 9 9900X? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

8594 points
13920 points
61% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

276.80 points
462.53 points
67% significantly higher Blender score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points
19790 points
99% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points
3339 points
95% significantly 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
4.4 GHz
15% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz
5.6 GHz
21% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

105 W
14% slightly lower TDP
120 W

Memory Channels

Lanes for simultaneous memory access

2
Identical
2

L1 Cache

Smallest embedded memory, but the fastest

768 KiB
960 KiB
25% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB
12 MiB
100% 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
35th 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 9900X benchmarks

In our benchmarks, the Ryzen 9 9900X beats the Ryzen 9 3900X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900X in all gaming tests too.

Info from our database shows that they both have the same core count and the same number of threads. These CPUs have different clock speeds. Indeed, the Ryzen 9 9900X has a slightly higher clock speed compared to the Ryzen 9 3900X. Also, the Ryzen 9 9900X has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a Ryzen 9 9900X CPU because of its slightly 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 9900X 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.

Comments

No comments yet! Be the first to leave a comment using the form below.

Keep comments on topic and be polite. Comments are subject to moderation before they are published.

Popular CPU Comparisons