AMD EPYC 9634 vs AMD EPYC 9554

Comparative analysis of AMD EPYC 9634 and AMD EPYC 9554 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 9634

AMD EPYC 9554

Differences

Reasons to consider the AMD EPYC 9634

20 more cores, run more applications at once: 84 vs 64
40 more threads: 168 vs 128
Around 31% more L1 cache; more data can be stored in the L1 cache for quick access later
1376256x more L2 cache, more data can be stored in the L2 cache for quick access later
1572864x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 24% lower typical power consumption: 290 Watt vs 360 Watt

Number of cores	84 vs 64
Number of threads	168 vs 128
L1 cache	64 KB (per core) vs 64K (per core)
L2 cache	1 MB (per core) vs 1MB (per core)
L3 cache	384 MB (shared) vs 256MB (shared)
Thermal Design Power (TDP)	290 Watt vs 360 Watt

Reasons to consider the AMD EPYC 9554

Around 1% higher clock speed: 3.75 GHz vs 3.7 GHz
Around 5% better performance in PassMark - Single thread mark: 2950 vs 2821
Around 2% better performance in PassMark - CPU mark: 146171 vs 142801

Specifications (specs)
Maximum frequency	3.75 GHz vs 3.7 GHz
Benchmarks
PassMark - Single thread mark	2950 vs 2821
PassMark - CPU mark	146171 vs 142801

Compare benchmarks

CPU 1: AMD EPYC 9634
CPU 2: AMD EPYC 9554

PassMark - Single thread mark

CPU 1

CPU 2

2821

2950

PassMark - CPU mark

CPU 1

CPU 2

142801

146171

Name	AMD EPYC 9634	AMD EPYC 9554
PassMark - Single thread mark	2821	2950
PassMark - CPU mark	142801	146171

Compare specifications (specs)

	AMD EPYC 9634	AMD EPYC 9554
Essentials
Launch date	10 Nov 2022	10 Nov 2022
Launch price (MSRP)	$10304	$9087
Place in performance rating	11	7
Architecture codename		Zen 4 (Genoa)
Performance
Base frequency	2.25 GHz	3.1 GHz
Die size	12x 72 mm²	8x 72 mm²
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	1MB (per core)
L3 cache	384 MB (shared)	256MB (shared)
Manufacturing process technology	5 nm	5 nm
Maximum frequency	3.7 GHz	3.75 GHz
Number of cores	84	64
Number of threads	168	128
Transistor count	78,840 million	52,560 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-4800 MHz, Twelve-channel
Compatibility
Configurable TDP	240-300 Watt	320-400 Watt
Max number of CPUs in a configuration	2	2
Sockets supported	SP5	SP5
Thermal Design Power (TDP)	290 Watt	360 Watt
Peripherals
PCIe configurations	Gen 5, 128 Lanes, (CPU only)	Gen 5, 128 Lanes, (CPU only)