AMD Ryzen 9 3900X vs AMD Ryzen 9 7900X3D

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

Benchmark Score
Other Benchmarks
Specifications
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AMD Ryzen 9 7900X3D

Price

The cheapest price from our partner retailers

$ 229.99

$ 570.00 significantly less expensive

$ 799.99

Benchmark Score

Overall Score

A combined score of all workloads

8422 points

13385 points

58% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8440 points

13203 points

56% significantly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points

13450 points

60% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points

13474 points

60% significantly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

276.80 points

398.41 points

43% significantly higher Blender score

Geekbench 5 (multi) score

Multi threaded benchmark

9929 points

17603 points

77% significantly higher Geekbench 5 (multi) score

Geekbench 5 (single) score

Single threaded benchmark

1667 points

2784 points

67% significantly higher Geekbench 5 (single) score

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points

17560 points

77% significantly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points

2866 points

68% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

3.80 GHz

4.40 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

Identical

L1 Cache

Smallest embedded memory, but the fastest

768 KiB

Identical

768 KiB

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

128 MiB

100% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

130th of 1,089

38th of 1,089

Family

The product line

Ryzen 9 Desktop

Ryzen 9

Release date

The official date of release of this chip

2019 July

2023 February

Memory Type

The type of memory used by this chip

DDR4

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Ryzen 9 3900X vs Ryzen 9 7900X3D comparison

According to the hardwareDB Benchmark tool, the Ryzen 9 7900X3D is faster 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 these CPUs we notice that they have the same number of cores and the same number of threads. With our hardware info, we find that the Ryzen 9 7900X3D has a slightly higher clock speed than the Ryzen 9 3900X. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 7900X3D has significantly more L2 cache than the Ryzen 9 3900X. The Ryzen 9 7900X3D also has significantly more 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.