[Dual CPU] AMD EPYC 7643

Benchmarks for the [Dual CPU] AMD EPYC 7643 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

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[Dual CPU] AMD EPYC 7643

Description:

Class: Server

Socket: SP3

Clockspeed: 2.3 GHz

Turbo Speed: 3.6 GHz

Cores: 48^# Threads: 96^#

Typical TDP: 225 W^#

TDP Up: 240 W

Cache per CPU Package:
L1 Instruction Cache: 48 x 32 KB
L1 Data Cache: 48 x 32 KB
L2 Cache: 48 x 512 KB
L3 Cache: 256 MB

Other names: AMD EPYC 7643 48-Core Processor

CPU First Seen on Charts: Q1 2021

CPUmark/$Price: 38.06

Overall Rank:
82nd fastest in multithreading out of all multi-CPU CPUs

Last Price Change: $2,534.00 USD Total for 2 CPUs (2024-11-05)

Average CPU Mark rating

Multithread Rating

96440

Single Thread Rating

2189

Samples: 4*
*Margin for error: High

^#The number of cores/threads and TDP is per CPU. To determine the total, multiply by the total CPU count.

CPU Test Suite Average Results for [Dual CPU] AMD EPYC 7643

Integer Math	776,327 MOps/Sec
Floating Point Math	433,063 MOps/Sec
Find Prime Numbers	1,474 Million Primes/Sec
Random String Sorting	274,044 Thousand Strings/Sec
Data Encryption	173,276 MBytes/Sec
Data Compression	2,572,484 KBytes/Sec
Physics	14,230 Frames/Sec
Extended Instructions	166,739 Million Matrices/Sec
Single Thread	2,189 MOps/Sec

From submitted results to PerformanceTest V10 as of 7th of February 2026.

CPU Mark Distribution for [Dual CPU] AMD EPYC 7643

Submitted Baseline Distribution Graph as of 7th of February 2026

Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 7th of February 2026.

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Pricing History

CPU Mark Relative to Top 10 Common Server CPUs
As of 7th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
[Dual CPU] AMD EPYC 7643		96,440
AMD Ryzen Threadripper PRO 3955WX		39,928
ARM Neoverse-N1 128 Core 3000 MHz		39,780
AMD Ryzen 7 PRO 7745		34,827
ARM Neoverse-N1 80 Core 3000 MHz		34,788
AMD Ryzen 5 PRO 7645		27,565
Intel Xeon E5-2680 v4 @ 2.40GHz		17,238
Intel Xeon E5-2697 v2 @ 2.70GHz		14,247
Hygon C86-3G (OPN:3350)		11,656
Intel Xeon E5-1650 v4 @ 3.60GHz		11,334
Intel Xeon E5-1650 v3 @ 3.50GHz		10,378

CPU Value (CPU Mark / $Price )
As of 7th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Xeon E5-2680 v4 @ 2.40GHz		81.33
Intel Xeon E5-2697 v2 @ 2.70GHz		73.65
AMD Ryzen 5 PRO 7645		61.71
AMD Ryzen 7 PRO 7745		57.60
AMD Ryzen Threadripper PRO 3955WX		39.93
[Dual CPU] AMD EPYC 7643		38.06
Intel Xeon E5-1650 v4 @ 3.60GHz		26.36
Intel Xeon E5-1650 v3 @ 3.50GHz		7.28
ARM Neoverse-N1 80 Core 3000 MHz		NA
ARM Neoverse-N1 128 Core 3000 MHz		NA
Hygon C86-3G (OPN:3350)		NA

Single Thread Rating
As of 7th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
AMD Ryzen 7 PRO 7745		4,117
AMD Ryzen 5 PRO 7645		3,954
AMD Ryzen Threadripper PRO 3955WX		2,680
Intel Xeon E5-1650 v4 @ 3.60GHz		2,370
[Dual CPU] AMD EPYC 7643		2,189
Intel Xeon E5-1650 v3 @ 3.50GHz		2,122
Intel Xeon E5-2680 v4 @ 2.40GHz		1,931
Intel Xeon E5-2697 v2 @ 2.70GHz		1,779
Hygon C86-3G (OPN:3350)		1,715
ARM Neoverse-N1 128 Core 3000 MHz		1,329
ARM Neoverse-N1 80 Core 3000 MHz		1,328

Last 5 Baselines for [Dual CPU] AMD EPYC 7643
Most recent listed first
Baseline	CPU Mark
BL2734392 - Jul 01 2025		111099
BL2404665 - Feb 10 2025		97967
BL2125459 - Jun 17 2024 [Excluded]		98024
BL2125023 - Jun 16 2024 [Excluded]		100008
BL2125022 - Jun 16 2024 [Excluded]		98110

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for AMD EPYC 7643
As of 7th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
AMD EPYC 7643		96,440
AMD Ryzen Threadripper PRO 3995WX vs AMD EPYC 7643		83,057 (-13.9%)
AMD EPYC 7713P vs AMD EPYC 7643		81,582 (-15.4%)
AMD Ryzen Threadripper PRO 7965WX vs AMD EPYC 7643		82,126 (-14.8%)
AMD EPYC 7643P vs AMD EPYC 7643		77,307 (-19.8%)
AMD EPYC 9354P vs AMD EPYC 7643		74,626 (-22.6%)
AMD EPYC 7643P vs AMD EPYC 7643		77,307 (-19.8%)
AMD EPYC 9554 vs AMD EPYC 7643		103,544 (+7.4%)
AMD EPYC 9355P vs AMD EPYC 7643		97,235 (+0.8%)
AMD Ryzen Threadripper PRO 9965WX vs AMD EPYC 7643		92,744 (-3.8%)
AMD EPYC 7763 vs AMD EPYC 7643		84,440 (-12.4%)
AMD EPYC 7713 vs AMD EPYC 7643		83,018 (-13.9%)
AMD Ryzen Threadripper PRO 5995WX vs AMD EPYC 7643		94,756 (-1.7%)

CPU Benchmarks

CPU Benchmarks

[Dual CPU] AMD EPYC 7643

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CPU Test Suite Average Results for [Dual CPU] AMD EPYC 7643

CPU Mark Distribution for [Dual CPU] AMD EPYC 7643

Pricing History