Intel Xeon Gold 6421N vs AMD EPYC 7543P

Comparative analysis of Intel Xeon Gold 6421N and AMD EPYC 7543P 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 Intel Xeon Gold 6421N

  • CPU is newer: launch date 1 year(s) 9 month(s) later
  • Around 25% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 30% lower typical power consumption: 185 Watt vs 240 Watt
  • Around 9% better performance in PassMark - Single thread mark: 2978 vs 2741
Specifications (specs)
Launch date 10 Jan 2023 vs 15 Mar 2021
L1 cache 80K (per core) vs 2 MB
Thermal Design Power (TDP) 185 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark 2978 vs 2741

Reasons to consider the AMD EPYC 7543P

  • Around 3% higher clock speed: 3.7 GHz vs 3.6 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 10 nm
  • 262144x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 4473924.3x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 13% better performance in PassMark - CPU mark: 66687 vs 58797
Specifications (specs)
Maximum frequency 3.7 GHz vs 3.6 GHz
Manufacturing process technology 7 nm+ vs 10 nm
L2 cache 16 MB vs 2MB (per core)
L3 cache 256 MB vs 60MB
Benchmarks
PassMark - CPU mark 66687 vs 58797

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: AMD EPYC 7543P

PassMark - Single thread mark
CPU 1
CPU 2
2978
2741
PassMark - CPU mark
CPU 1
CPU 2
58797
66687
Name Intel Xeon Gold 6421N AMD EPYC 7543P
PassMark - Single thread mark 2978 2741
PassMark - CPU mark 58797 66687

Compare specifications (specs)

Intel Xeon Gold 6421N AMD EPYC 7543P

Essentials

Launch date 10 Jan 2023 15 Mar 2021
Launch price (MSRP) $2368 $2730
Place in performance rating 191 189
Architecture codename Zen 3
OPN PIB 100-100000341WOF
OPN Tray 100-000000341
Vertical segment Server

Performance

Base frequency 1800 MHz 2.8 GHz
L1 cache 80K (per core) 2 MB
L2 cache 2MB (per core) 16 MB
L3 cache 60MB 256 MB
Manufacturing process technology 10 nm 7 nm+
Maximum case temperature (TCase) 85°C
Maximum frequency 3.6 GHz 3.7 GHz
Number of cores 32 32
Number of threads 64 64
Unlocked

Memory

ECC memory support
Supported memory types DDR5-4400 MHz, Eight-channel DDR4-3200
Max memory channels 8
Maximum memory bandwidth 190.73 GB/s
Maximum memory size 4 TB

Compatibility

Max number of CPUs in a configuration 1
Sockets supported 4677 SP3
Thermal Design Power (TDP) 185 Watt 240 Watt
Configurable TDP 225-240 Watt
Socket Count 1P

Peripherals

PCIe configurations Gen 5, 80 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™)