AMD EPYC 7663 vs AMD EPYC 9534

Comparative analysis of AMD EPYC 7663 and AMD EPYC 9534 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 9534

Differences

Reasons to consider the AMD EPYC 7663

458752x more L2 cache, more data can be stored in the L2 cache for quick access later
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 17% lower typical power consumption: 240 Watt vs 280 Watt
Around 9% better performance in PassMark - Single thread mark: 2616 vs 2409

Specifications (specs)
L2 cache	512 KB (per core) vs 1MB (per core)
L3 cache	256 MB (shared) vs 256MB (shared)
Thermal Design Power (TDP)	240 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	2616 vs 2409

Reasons to consider the AMD EPYC 9534

CPU is newer: launch date 1 year(s) 7 month(s) later
8 more cores, run more applications at once: 64 vs 56
16 more threads: 128 vs 112
Around 6% higher clock speed: 3.7 GHz vs 3.5 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 7% better performance in PassMark - CPU mark: 88716 vs 82883

Specifications (specs)
Launch date	10 Nov 2022 vs 15 Mar 2021
Number of cores	64 vs 56
Number of threads	128 vs 112
Maximum frequency	3.7 GHz vs 3.5 GHz
Manufacturing process technology	5 nm vs 7 nm
L1 cache	64K (per core) vs 64 KB (per core)
Benchmarks
PassMark - CPU mark	88716 vs 82883

Compare benchmarks

CPU 1: AMD EPYC 7663
CPU 2: AMD EPYC 9534

PassMark - Single thread mark

CPU 1

CPU 2

2616

2409

PassMark - CPU mark

CPU 1

CPU 2

82883

88716

Name	AMD EPYC 7663	AMD EPYC 9534
PassMark - Single thread mark	2616	2409
PassMark - CPU mark	82883	88716

Compare specifications (specs)

	AMD EPYC 7663	AMD EPYC 9534
Essentials
Launch date	15 Mar 2021	10 Nov 2022
Launch price (MSRP)	$6366	$8803
Place in performance rating	91	96
Performance
Base frequency	2000 MHz	2.45 GHz
Die size	8x 81 mm²	8x 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)	256MB (shared)
Manufacturing process technology	7 nm	5 nm
Maximum frequency	3.5 GHz	3.7 GHz
Number of cores	56	64
Number of threads	112	128
Transistor count	33,200 million	52,560 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR4	DDR5-4800 MHz, Twelve-channel
Compatibility
Configurable TDP	225 Watt	240-300 Watt
Max number of CPUs in a configuration	2	2
Sockets supported	SP3	SP5
Thermal Design Power (TDP)	240 Watt	280 Watt
Peripherals
PCIe configurations	Gen 4, 128 Lanes, (CPU only)	Gen 5, 128 Lanes, (CPU only)