What's the best choice AMD Ryzen 9 3900 or AMD Ryzen 7 2700X? Which processor is faster?
We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.
AMD Ryzen 9 3900 has a base frequency of 3.10 GHz. 12 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q3/2019.
AMD Ryzen 7 2700X has a base frequency of 3.7 GHz. 8 / 16 CPU Cores / Threads. Stated TDP / base power 105 W. Released in 2018-04-19.
Reasons to consider More number of cores
4 more cores
8
Lower stated TDP / base power
Power limits alone do not measure performance per watt.
105 W
Common positions AMD Ryzen 9 3900 CPU in popular benchmarks, for comparison with other models.
Reasons to consider Place in the overall ranking
(based on several benchmarks)
place
Higher clock speed
Around 19% better clock speed
3.10 GHz
Common positions AMD Ryzen 7 2700X CPU in popular benchmarks, for comparison with other models.
AMD Ryzen 9 3900
Background information about the processors being compared, series, generation and market segment.
AMD Ryzen 2000
Ryzen
2
Desktop / Server
AMD Ryzen 7 3700X
Desktops / Boxed Processor
Ryzen 2000 Series
Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.
3.7 GHz
normal
8
16
Yes
Yes
4.3 GHz
-
4.3 GHz
3.85 GHz
Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.
None
-
Built-in codecs used to encode and decode content. Significantly speeds up the required operations.
No
No
No
No
No
No
No
No
Types, channel quantity of RAM supported by AMD Ryzen 7 2700X and AMD Ryzen 9 3900. Depending on the motherboards, higher or lower memory frequencies may be supported.
Yes
64 GB
2
DDR4
20
3.0
PCIe 3.0 x16
2933
Yes
Compare the TDP requirements of TDP AMD Ryzen 9 3900 and AMD Ryzen 7 2700X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.
85 °C
105 W
105 W
Architecture, interfaces, additional instructions supported by AMD Ryzen 9 3900 and AMD Ryzen 7 2700X, virtual machine technologies and process technology.
Pinnacle Ridge (Zen+)
x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
4 MB
16 MB
2018-04-19
AM4
12nm FinFET
AMD-V, SVM
Pinnacle Ridge
0.75 MB
YD270XBGAFBOX
YD270XBGAFMPK
YD270XBGM88AF
Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit
These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.
Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.
| Model | Result | Reported conditions |
|---|---|---|
| AMD Ryzen 9 3900 | 14066.379244 H/s | RandomX / XMRig 6.26.0 / 10M / 24 threads / windows System RAM: 16 GB OS: Windows NT 10.0 Duration: 710.915 s User-submitted run; tuning and power settings are incomplete. |
Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Ryzen 9 3900 and AMD Ryzen 7 2700X.
Compare the synthetic test values and choose the best processor!
These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.
Recent models: test results with identified primary sources — Cinebench R23 · Cinebench R20 · Cinebench R15 · Cinebench 2026 · RandomX benchmark
Higher values are better in this metric.
Higher values are better in this metric.
Higher values are better in this metric.
Higher values are better in this metric.
Higher values are better in this metric.
Higher values are better in this metric.
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