AMD EPYC 7451 vs Intel Core i9-11900K

Table of Contents

Physical Specifications

Socket AMD Socket SP3 Intel Socket 1200
Foundry GlobalFoundries Intel
Process size 14 nm 14 nm
Transistors 4,800 million unknown
Die size 213 mm² unknown
Package FCLGA-4094 FC-LGA1200
tCaseMax 81°C 72°C
tJMax 100°C

Performance

Frequency 2.3 GHz 3.5 GHz
Turbo clock up to 3.2 GHz up to 5.3 GHz
Base clock 100 MHz 100 MHz
Multiplier 23.0x 35.0x
Multiplier unlocked Yes Yes
TDP 180 W 125 W

Architecture Details

Vertical Segment Server/Workstation Desktop
Production status Active Active
Release date Jun 29th, 2017 Mar 16th, 2021
Codename Naples Rocket Lake
Generation EPYC Core i9
Part PS7451BDVHCAF unknown
Memory support DDR4-2666 MHz Eight-channel DDR4-3200 MHz Dual-channel
ECC memory Yes No
PCI Express Gen 3 Gen 4, 20 Lanes(CPU only)
Chipsets H510, B560, Z590

Cores

Total Cores 24 8
Total Threads 48 16
SMP # CPUs 2 1
Integrated graphics UHD Graphics 750

Cache

Cache L1 96K (per core) 64K (per core)
Cache L2 512K (per core) 512K (per core)
Cache L3 64MB (shared) 16MB (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.

Features & Technologies

ABM Yes Yes
ADX Yes Yes
AES Yes
AES-NI Yes
AMD-V Yes
AMD-Vi Yes
AVX Yes Yes
AVX-512 Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
CLMUL Yes Yes
EIST Yes
EMMX Yes
F16C Yes Yes
FMA3 Yes Yes
FPU Yes
Intel 64 Yes
MMX Yes Yes
NX bit Yes
Protected Yes
RdRand Yes Yes
Real Yes
SEV Yes
SHA Yes Yes
SME Yes
SMM Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSE4A Yes
SSSE3 Yes Yes
SenseMi Yes
TBT 2.0 Yes
TBT 3.0 Yes
TSME Yes
TSX Yes
TXT Yes
VT-d Yes
VT-x Yes
XD bit Yes

Compare

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