What's the best choice AMD Epyc 7643 or AMD Epyc 7663? Which processor is faster?
We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.
AMD Epyc 7643 has a maximum frequency of 2.30 GHz. 48 Cores. Power consumption of 280 W. Released in Q1/2021.
AMD Epyc 7663 has a maximum frequency of 2.00 GHz. 56 Cores. Power consumption of 240 W. Released in Q1/2021.
Reasons to consider Higher clock speed
Around 13% better clock speed
2.00 GHz
Higher turbo clock speed
Around 3% better overclocked clock speed
3.50 GHz
Common positions AMD Epyc 7643 CPU in popular benchmarks, for comparison with other models.
Reasons to consider Place in the overall ranking
(based on several benchmarks)
score
More number of cores
About 1.17 times more cores
48
Performance per watt
About 0.86 times less performance per watt
280 W
Common positions AMD Epyc 7663 CPU in popular benchmarks, for comparison with other models.
AMD Epyc 7643
Background information about the processors being compared, series, generation and market segment.
Desktop / Server
AMD Epyc
3
AMD Epyc 7003
--
Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.
2.00 GHz
56
3.50 GHz
112
Yes
No
normal
Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.
no iGPU
No turbo
Built-in codecs used to encode and decode content. Significantly speeds up the required operations.
No
No
No
No
No
No
No
No
No
Types, channel quantity of RAM supported by AMD Epyc 7663 and AMD Epyc 7643. Depending on the motherboards, higher or lower memory frequencies may be supported.
DDR4-3200
Yes
8
4.0
128
Yes
Compare the TDP requirements of TDP AMD Epyc 7643 and AMD Epyc 7663 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.
240 W
225 W
Architecture, interfaces, additional instructions supported by AMD Epyc 7643 and AMD Epyc 7643, virtual machine technologies and process technology.
x86-64 (64 bit)
AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
256.00 MB
Milan (Zen 3)
7 nm
SP3
Q1/2021
Based on the results of several benchmarks, you can more accurately estimate the difference in performance between AMD Epyc 7643 and AMD Epyc 7663.
Compare the synthetic test values and choose the best processor!
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