AMD EPYC 7402P vs AMD EPYC 7551

Comparative analysis of AMD EPYC 7402P and AMD EPYC 7551 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the AMD EPYC 7402P

  • CPU is newer: launch date 2 year(s) 2 month(s) later
  • Around 12% higher clock speed: 3.35 GHz vs 3 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 14% better performance in PassMark - Single thread mark: 1970 vs 1726
Specifications (specs)
Launch date 7 Aug 2019 vs June 2017
Maximum frequency 3.35 GHz vs 3 GHz
Manufacturing process technology 7 nm, 14 nm vs 14 nm
L3 cache 128 MB vs 64 MB
Benchmarks
PassMark - Single thread mark 1970 vs 1726

Reasons to consider the AMD EPYC 7551

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 8 more cores, run more applications at once: 32 vs 24
  • 16 more threads: 64 vs 48
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
  • Around 29% better performance in PassMark - CPU mark: 55754 vs 43091
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 32 vs 24
Number of threads 64 vs 48
L1 cache 96 KB (per core) vs 1.5 MB
L2 cache 512 KB (per core) vs 12 MB
Max number of CPUs in a configuration 2 vs 1
Benchmarks
PassMark - CPU mark 55754 vs 43091

Compare benchmarks

CPU 1: AMD EPYC 7402P
CPU 2: AMD EPYC 7551

PassMark - Single thread mark
CPU 1
CPU 2
1970
1726
PassMark - CPU mark
CPU 1
CPU 2
43091
55754
Name AMD EPYC 7402P AMD EPYC 7551
PassMark - Single thread mark 1970 1726
PassMark - CPU mark 43091 55754
Geekbench 4 - Single Core 2956
Geekbench 4 - Multi-Core 20125

Compare specifications (specs)

AMD EPYC 7402P AMD EPYC 7551

Essentials

Architecture codename Zen 2 Zen
Launch date 7 Aug 2019 June 2017
Launch price (MSRP) $1250
OPN PIB 100-100000048WOF
OPN Tray 100-000000048
Place in performance rating 597 239
Vertical segment Server Server
Family AMD EPYC
Price now $3,813.99
Series AMD EPYC 7000 Series
Value for money (0-100) 1.43

Performance

Base frequency 2.8 GHz 2 GHz
L1 cache 1.5 MB 96 KB (per core)
L2 cache 12 MB 512 KB (per core)
L3 cache 128 MB 64 MB
Manufacturing process technology 7 nm, 14 nm 14 nm
Maximum frequency 3.35 GHz 3 GHz
Number of cores 24 32
Number of threads 48 64
Unlocked
64 bit support
Die size 192 mm
Transistor count 4800 million

Memory

ECC memory support
Max memory channels 8 8
Maximum memory bandwidth 190.7 GB/s 341 GB/s
Maximum memory size 4 TB
Supported memory types DDR4-3200 DDR4
Supported memory frequency 2666 MHz

Compatibility

Max number of CPUs in a configuration 1 2
Sockets supported SP3 TR4
Thermal Design Power (TDP) 180 Watt 180 Watt
Socket Count 1P/2P

Peripherals

Max number of PCIe lanes 128
PCI Express revision 4.0 x128
PCIe configurations x16, x8

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™)