Compare AMD Epyc 7643 VS AMD Epyc 7663. Which processor delivers superior performance?
In this detailed comparison, we evaluate the specifications and benchmarks of both processors to determine the best choice for your needs. We analyze their core counts, maximum frequencies, and power consumption.
AMD Epyc 7643 boasts a maximum frequency of 2.30 GHz GHz. 48 cores that enhance multitasking capabilities.With a power consumption of 280 W W, it ensures efficient performance.Released in Q1/2021, it incorporates the latest technology for optimal efficiency.
AMD Epyc 7663 features a maximum frequency of 2.00 GHz GHz. 56 cores designed for high-performance tasks.Its power consumption is 240 W W, providing a balance of power and efficiency.Launched in Q1/2021, it is built to handle demanding applications.
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
Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.
Desktop / Server
AMD Epyc
3
AMD Epyc 7003
--
Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.
2.00 GHz
56
3.50 GHz
112
Yes
No
normal
The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.
no iGPU
No turbo
This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.
No
No
No
No
No
No
No
No
No
Overview of the types and quantities of RAM supported by AMD Epyc 7663 and AMD Epyc 7643. The supported memory frequencies may vary depending on the motherboard configuration.
DDR4-3200
Yes
8
4.0
128
Yes
Analyze the TDP (Thermal Design Power) requirements of AMD Epyc 7643 and AMD Epyc 7663 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.
240 W
225 W
Information on architecture, interfaces, and additional instructions supported by AMD Epyc 7643 and AMD Epyc 7663, including virtual machine technologies and fabrication processes.
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
By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between AMD Epyc 7643 and AMD Epyc 7663.
Compare the synthetic benchmark scores and make an informed decision on the best processor for your needs!
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