CPU Wiki

Xeon Gold 6421N

Intel · x86-64 · Intel Socket 4677 · Server/Workstation · 2023

Key facts

Production status: Active
Release date: 2023-01-10
Cores / Threads: 32 / 64
Base clock: 1800 MHz
Turbo clock: 3600 MHz
TDP: -
Process: 10 nm
Codename: Sapphire Rapids
Generation: Xeon Gold (Sapphire Rapids-SP)

All available specs

FieldValue
nameXeon Gold 6421N
SocketIntel Socket 4677
FoundryIntel
Process Size10 nm
PackageFC-LGA16A
MarketServer/Workstation
Production StatusActive
Release DateJan 10th, 2023
Part#SRMH0
Frequency1800 MHz
Turbo Clockup to 3.6 GHz
Base Clock100 MHz
Multiplier18.0x
Multiplier UnlockedNo
CodenameSapphire Rapids
GenerationXeon Gold (Sapphire Rapids-SP)
Memory SupportDDR5
ECC MemoryYes
# of Cores32
# of Threads64
SMP # CPUs1
Cache L180 KB (per core)
Cache L22 MB (per core)
FeaturesMMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, AVX-512, AVX-VNNI, FMA3, SHA, EIST, Intel 64, XD bit, VT-x, VT-d, AES-NI, TSX, TXT, CLMUL, F16C, BMI1, BMI2, ABM, ADX, AMX, RdRand, 5-level NPT, X2APIC, Intel DSA, DLBoost 2.0, vPro, TBT 2.0
NotesPCI-Express PHY handles 16-Lanes of PCI-E 5.0 or CXL 1.1.Speed Select Technology - Performance Profiles:6421N (0) - 32 Active Cores @ 1.8GHz 185 W6421N (1) - 32 Active Cores @ 1.8GHz 185 W6421N (2) - 32 Active Cores @ 1.9GHz 185 W
Rated Speed4400 MT/s
Memory BusEight-channel
Memory Bandwidth281.6 GB/s
Launch Price$2,368
PCI-ExpressGen 5, 80 Lanes (CPU only)
Cache L360 MB
tCaseMax85°C
ChipsetC741
All Core Turbo2.6 GHz
AVX-512 FMA Ports2