AMD EPYC 7451 vs AMD EPYC 7551

Table of Contents

Physical Specifications

Socket AMD Socket SP3 AMD Socket SP3
Foundry GlobalFoundries GlobalFoundries
Process size 14 nm 14 nm
Transistors 4,800 million 4,800 million
Die size 213 mm² 213 mm²
Package FCLGA-4094 FCLGA-4094
tCaseMax 81°C 81°C

Performance

Frequency 2.3 GHz 2000 MHz
Turbo clock up to 3.2 GHz up to 3 GHz
Base clock 100 MHz 100 MHz
Multiplier 23.0x 20.0x
Multiplier unlocked Yes Yes
TDP 180 W 180 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status Active Active
Release date Jun 29th, 2017 Jun 29th, 2017
Codename Naples Naples
Generation EPYC EPYC
Part PS7451BDVHCAF PS7551BDVIHAF
Memory support DDR4-2666 MHz Eight-channel DDR4-2666 MHz Eight-channel
ECC memory Yes Yes
PCI Express Gen 3 Gen 3

Cores

Total Cores 24 32
Total Threads 48 64
SMP # CPUs 2 2
Integrated graphics

Cache

Cache L1 96K (per core) 96K (per core)
Cache L2 512K (per core) 512K (per core)
Cache L3 64MB (shared) 64MB (shared)

Notes

Notes This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

Features & Technologies

ABM Yes Yes
ADX Yes Yes
AES Yes Yes
AMD-V Yes Yes
AMD-Vi Yes Yes
AVX Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
CLMUL Yes Yes
EMMX Yes Yes
F16C Yes Yes
FMA3 Yes Yes
FPU Yes Yes
MMX Yes Yes
NX bit Yes Yes
Protected Yes Yes
RdRand Yes Yes
Real Yes Yes
SEV Yes Yes
SHA Yes Yes
SME Yes Yes
SMM Yes Yes
SMT Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes Yes
SSE4.2 Yes Yes
SSE4A Yes Yes
SSSE3 Yes Yes
SenseMi Yes Yes
TSME Yes Yes

Compare

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