AMD EPYC 7642 vs AMD EPYC 7663

Processor comparisons   19-03-2023
   For example you can't decide which processor to buy, you can make a choice by looking at the AMD EPYC 7642 vs AMD EPYC 7663 tests and decide which is better for games or simple use for streaming, rendering, machine learning, programming, video editing. Here is all information from many benchmarks or real video editing and streaming tests. A thorough review of all the specifications, so that it can be easier to read, is summarized in the table.
   From the video comparison, you can get the results of joint testing in software tests like DaVinci Resolve Studio, 3DMark, Prime95, 7zip, WPrime, Furmark, MATLAB, AIDA64, Cinebench 23 (20, 15), Handbrake, Blender, Gears 5, World of Tanks enCore Benchmark, VeraCrypt, Blender, RealBench, PCMark 10, SuperPi, GeekBench 6, 5.2, UserBenchmark, PassMark, Dolphin Emulator.
   Gaming performance of processors in:

Halo Infinite
DOOM: Eternal
Last Man Standing
Overwatch
Red Dead Redemption 2
Fallout 76
Borderlands 3
Cyberpunk 2077
Fortnite
Apex Legends
Assassin's Creed Valhalla
World of Warcraft: Shadowlands
Death Stranding
Watch Dogs Legion
Rainbow Six Siege
Grand Theft Auto V
Valorant
Call of Duty: Warzone and Modern Warfare
Valheim

After reading the results these benchmarks and videos, you already be able to figure out which processor is better to buy for gaming AMD EPYC 7663 or AMD EPYC 7642.

Summary benchmark results

As a percentage of the maximum value based on a sample from the entire base of all processors
Processor Benchmark

EPYC 7642

68%

EPYC 7663

68%

Gaming performance
Summary result of all game benchmarks.

EPYC 7642

73%

EPYC 7663

76%

The maximum result in this parameter is 100 percent, which is the performance of the most powerful processor currently available. And it is clear that this is a server processor, on which no one will play games. Because this processor costs several tens of thousands of dollars. Therefore, if you think that the selected CPU has a low game result, look at the FPS that it produces in real games in the summary table below.
List of other games in which processors were compared: DOTA 2A, NBA 2K20, Shadow of the Tomb Raider, Hitman 3, PlayerUnknown's Battlegrounds (PUBG), Metro Exodus, Horizon Zero Dawn, Half-Life: Alyx, Counter-Strike: Global Offensive (CS GO), Forza Horizon 4, The Witcher 3: Wild Hunt, Monster Hunter World, Control, Microsoft Flight Simulator, Battlefield V, Resident Evil 7 Biohazard, Ghostrunner, League of Legends (LOL).

Gaming benchmark

Fortnite	129.7	135.1
Valorant	147.3	153.5
Cyberpunk 2077	82.5	86.0
Apex Legends	138.5	144.3
Call of Duty Warzone	110.5	115.1
Overwatch	119.3	124.3
Red Dead Redemption 2	101.7	105.9
DOOM Eternal	73.7	76.8
Warzone	114.9	119.7
Assassin's Creed	123.8	128.9
Valheim	122.3	127.4

The numbers in this table indicate the maximum FPS that was received on the device with the corresponding processor. Depending on the configuration of the computer (RAM size and Video Card) and graphics quality settings (Ultra, Medium, Normal), the results may differ quite significantly. We recommend that you better study the results of the Cinebench, GeekBench and Passmark becnmarks.
The computers participating in the comparisons not only were the equipped with different video cards and different amounts of RAM. But users also tested them at different screen resolutions: 4K, 2K or FullHD. Therefore, the game benchmark data is approximate. But all video cards met the average system requirements of games. You will get more accurate information about how powerful the processor will be in games, if you get acquainted with the benchmarks that are made with the same video card that is installed in your computer.

Power consumption

EPYC 7642

13%

EPYC 7663

12%

To make a finishing choice on which processor is better, you should also consider the generation of its core. It is clear that the newer the generation, the better the performance of the processor in games and benchmarks, as well as its energy efficiency. In this case the EPYC 7642 is more energy efficient than the EPYC 7663 since it has less power consumption: 225W vs. 240W. Power consumption is particularly important for laptops. Also, when choosing a processor cooling system, you must know its TDP. It is necessary to count so that the TDP data specified in the cooler specification is greater than the TDP of the compared processor.

Software benchmarks

If you plan to use the processor not only for gaming, but also for machine learning, streaming, programming, video rendering or video editing, then the main parameter for you is its performance in multi-threaded mode. In this mode, the CPU includes all threads and cores that it has to the maximum to reach maximum performance. You will learn this data from the benchmark tables below. Before using the data from these tests, be sure to make sure that the software that you are going to use on your computer can work in multi-threaded mode. Because there are still many programs that use only one core to run, and all the benefit of multi-core mode are unused.
Cinebench 23, 20 an 15
The results of this benchmark show Single-threaded and Multi-threaded CPU performance

	AMD EPYC 7642	AMD EPYC 7663
Cinbench 15 Single-core	177	184
Cinbench 15 Multi-core	7594	7606
Cinbench 20 Single-core	443	347
Cinbench 20 Multi-core	16104	16121
Cinbench 23 Single-core	844	852
Cinbench 23 Multi-core	41890	41920

Passmark
This popular benchmark displays Multi-threaded and Single-threaded processor performance

	AMD EPYC 7642	AMD EPYC 7663
Single-Core	2404	1794
Multi-Core	61546	61492

GeekBench 6, 5.2
This benchmark shows Multi-threaded and Single-threaded processor performance

	AMD EPYC 7642	AMD EPYC 7663
Single-Core	918	874
Multi-Core	40836	46160

Comparison of specifications

In the specification comparison table, the processor release date and overclocking capability will be the most useful. The later the processor is released, the longer it will last in your computer. And the easier it will be to upgrade the system in the future. The same can be said about overclocking. When the processor can be overclocked, increasing its performance, then it will still be able to produce maximum FPS even in the newest games. It turns out that there is no longer a need to buy a new CPU to enjoy the games any longer. The economy are obvious!

	AMD EPYC 7642	AMD EPYC 7663
Announcement date	October 01, 2020	March 15, 2021
Type	Server	Server
Socket	SP3	SP3
Core name	Rome	Milan
Architecture	Zen 2	Zen 3
Generation	2	3
Turbo Frequency	3.3 MHz	3.5 MHz
Frequency	2.3 MHz	2 MHz
Cores	48	56
Threads	96	112
Bus rate
Bit	64	64
Lithography	7 nm	7 nm
Transistors count	64000 millions	78000 millions
Power consumption (TDP)	225 W	240 W
Memory type	DDR4	DDR4
Max. Memory
Memory Frequency	3200	3200
Memory bandwidth	208 GByte/s	204.8 GB/s
L1 cache
L2 cache
L3 cache	256MB	256MB
Overclocking	No	No
Supports ECC	No	No
Part number	100-000000074 100-100000074WOF	100-000000318 100-100000318WOF

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here EPYC 7642 is 13% better than EPYC 7663 in terms of CPU frequency. Another difference is that EPYC 7663 has 8 more core than EPYC 7642. Also keep in mind that high CPU frequency affects battery life through power consumption (relevant for laptops).

Result:
The number of parameters for which AMD EPYC 7642 is better: 7
The number of parameters for which AMD EPYC 7663 is better: 23
However, it should be understood that all the number in the text above do not mean that taking them into account you should entirely trust a simple quantitative comparison. Better to watch the testing video and read the reviews of real owners of AMD EPYC 7642 and AMD EPYC 7663 before making a decision which of the CPUs to buy for gaming.

AMD EPYC 7642 - all data

• Cinebench r15 score
• Cinebench r20 score
• Cinebench r23 score
• GeekBench 6, 5.2 score

• AMD EPYC 7642 specs and review.

AMD EPYC 7663 - all data

• Cinebench r15 score
• Cinebench r20 score
• Cinebench r23 score
• GeekBench 6, 5.2 score

• AMD EPYC 7663 specs and review.