AMD EPYC 7663 vs AMD EPYC 9254

Comparative analysis of AMD EPYC 7663 and AMD EPYC 9254 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 7663

AMD EPYC 9254

Differences

Reasons to consider the AMD EPYC 7663

32 more cores, run more applications at once: 56 vs 24
64 more threads: 112 vs 48
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
1223338.7x more L2 cache, more data can be stored in the L2 cache for quick access later
2097152x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 21% better performance in PassMark - CPU mark: 82087 vs 67847

Specifications (specs)
Number of cores	56 vs 24
Number of threads	112 vs 48
L1 cache	64 KB (per core) vs 64K (per core)
L2 cache	512 KB (per core) vs 1MB (per core)
L3 cache	256 MB (shared) vs 128MB (shared)
Benchmarks
PassMark - CPU mark	82087 vs 67847

Reasons to consider the AMD EPYC 9254

CPU is newer: launch date 1 year(s) 7 month(s) later
Around 19% higher clock speed: 4.15 GHz vs 3.5 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
Around 20% lower typical power consumption: 200 Watt vs 240 Watt
Around 23% better performance in PassMark - Single thread mark: 3199 vs 2606

Specifications (specs)
Launch date	10 Nov 2022 vs 15 Mar 2021
Maximum frequency	4.15 GHz vs 3.5 GHz
Manufacturing process technology	5 nm vs 7 nm
Thermal Design Power (TDP)	200 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	3199 vs 2606

Compare benchmarks

CPU 1: AMD EPYC 7663
CPU 2: AMD EPYC 9254

PassMark - Single thread mark

CPU 1

CPU 2

2606

3199

PassMark - CPU mark

CPU 1

CPU 2

82087

67847

Name	AMD EPYC 7663	AMD EPYC 9254
PassMark - Single thread mark	2606	3199
PassMark - CPU mark	82087	67847

Compare specifications (specs)

	AMD EPYC 7663	AMD EPYC 9254
Essentials
Launch date	15 Mar 2021	10 Nov 2022
Launch price (MSRP)	$6366	$2299
Place in performance rating	119	106
Performance
Base frequency	2000 MHz	2.9 GHz
Die size	8x 81 mm²	4x 72 mm²
L1 cache	64 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	1MB (per core)
L3 cache	256 MB (shared)	128MB (shared)
Manufacturing process technology	7 nm	5 nm
Maximum frequency	3.5 GHz	4.15 GHz
Number of cores	56	24
Number of threads	112	48
Transistor count	33,200 million	26,280 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR4	DDR5-4800 MHz, Twelve-channel
Compatibility
Configurable TDP	225 Watt	200-240 Watt
Max number of CPUs in a configuration	2	2
Sockets supported	SP3	SP5
Thermal Design Power (TDP)	240 Watt	200 Watt
Peripherals
PCIe configurations	Gen 4, 128 Lanes, (CPU only)	Gen 5, 128 Lanes, (CPU only)