AMD EPYC 8534P vs AMD EPYC 7643

Comparative analysis of AMD EPYC 8534P and AMD EPYC 7643 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 8534P

AMD EPYC 7643

Differences

Reasons to consider the AMD EPYC 8534P

CPU is newer: launch date 2 year(s) 6 month(s) later
16 more cores, run more applications at once: 64 vs 48
32 more threads: 128 vs 96
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm+
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 20% lower typical power consumption: 200 Watt vs 240 Watt
Around 27% better performance in PassMark - Single thread mark: 2441 vs 1915

Specifications (specs)
Launch date	18 Sep 2023 vs 15 Mar 2021
Number of cores	64 vs 48
Number of threads	128 vs 96
Manufacturing process technology	5 nm vs 7 nm+
L1 cache	64 KB (per core) vs 3 MB
L2 cache	1 MB (per core) vs 24 MB
Thermal Design Power (TDP)	200 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	2441 vs 1915

Reasons to consider the AMD EPYC 7643

Around 16% higher clock speed: 3.6 GHz vs 3.1 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 23% better performance in PassMark - CPU mark: 88348 vs 71900

Specifications (specs)
Maximum frequency	3.6 GHz vs 3.1 GHz
L3 cache	256 MB vs 128 MB (shared)
Benchmarks
PassMark - CPU mark	88348 vs 71900

Compare benchmarks

CPU 1: AMD EPYC 8534P
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

2441

1915

PassMark - CPU mark

CPU 1

CPU 2

71900

88348

Name	AMD EPYC 8534P	AMD EPYC 7643
PassMark - Single thread mark	2441	1915
PassMark - CPU mark	71900	88348

Compare specifications (specs)

	AMD EPYC 8534P	AMD EPYC 7643
Essentials
Launch date	18 Sep 2023	15 Mar 2021
Launch price (MSRP)	$4950	$4995
Place in performance rating	215	224
Architecture codename		Zen 3
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Vertical segment		Server
Performance
Base frequency	2.3 GHz	2.3 GHz
Die size	4x 73 mm²
L1 cache	64 KB (per core)	3 MB
L2 cache	1 MB (per core)	24 MB
L3 cache	128 MB (shared)	256 MB
Manufacturing process technology	5 nm	7 nm+
Maximum case temperature (TCase)	75°C
Maximum frequency	3.1 GHz	3.6 GHz
Number of cores	64	48
Number of threads	128	96
Transistor count	35,500 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	155-225 Watt	225-240 Watt
Max number of CPUs in a configuration	1
Sockets supported	SP6	SP3
Thermal Design Power (TDP)	200 Watt	240 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 96 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)