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.

 

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 218 224
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™)