AMD Ryzen 9 3900X vs AMD Ryzen 7 7800X3D

Compare AMD Ryzen 9 Desktop 12 core CPU vs AMD Ryzen 7 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Other Benchmarks
Specifications
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AMD Ryzen 7 7800X3D

Price

The cheapest price from our partner retailers

$ 229.99

$ 156.15 significantly less expensive

$ 386.14

Benchmark Score

Overall Score

A combined score of all workloads

8422 points

10011 points

18% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

8440 points

11884 points

40% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

8406 points

9348 points

11% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

8392 points

9142 points

8% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

8594 points

7% slightly higher 3DMark Physics score

8010 points

Blender score

Cycles Render (Samples per minute)

276.80 points

5% slightly higher Blender score

263.24 points

Cinebench R23 score

Multi threaded benchmark

19000 points

5% slightly higher Cinebench R23 score

18086 points

Geekbench 6 (multi) score

Multi threaded benchmark

9907 points

15051 points

51% significantly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

1704 points

2723 points

59% significantly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

49% significantly more cores

Threads

Number of logical processing units

49% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.80 GHz

4.20 GHz

10% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

4.6 GHz

5 GHz

8% 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

49% significantly more L1 cache

512 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

6 MiB

8 MiB

33% slightly more L2 cache

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

88th of 1,089

Family

The product line

Ryzen 9 Desktop

Ryzen 7

Release date

The official date of release of this chip

2019 July

2023 April

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 7 7800X3D comparison

In our benchmarks, the Ryzen 7 7800X3D 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.

With info from our database, we find that the Ryzen 9 3900X has significantly more cores with 12 cores whereas the Ryzen 7 7800X3D has 8 cores. It also has more threads than the Ryzen 7 7800X3D. With our hardware info, we find that the Ryzen 7 7800X3D has a slightly higher clock speed than the Ryzen 9 3900X. The cache sizes of these CPUs are different. Indeed, the Ryzen 7 7800X3D has slightly more L2 cache than the Ryzen 9 3900X. The Ryzen 7 7800X3D also has significantly more L3 cache.

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.