CPU Wiki

Xeon Gold 6438N

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: 2000 MHz
Turbo clock: 3600 MHz
TDP: -
Process: 10 nm
Codename: Sapphire Rapids
Generation: Xeon Gold (Sapphire Rapids-SP)

All available specs

FieldValue
nameXeon Gold 6438N
SocketIntel Socket 4677
FoundryIntel
Process Size10 nm
PackageFC-LGA16A
MarketServer/Workstation
Production StatusActive
Release DateJan 10th, 2023
Part#SRMH1
Frequency2000 MHz
Turbo Clockup to 3.6 GHz
Base Clock100 MHz
Multiplier20.0x
Multiplier UnlockedNo
CodenameSapphire Rapids
GenerationXeon Gold (Sapphire Rapids-SP)
Memory SupportDDR5
ECC MemoryYes
# of Cores32
# of Threads64
SMP # CPUs2
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, QAT, DLB, IAA, DLBoost 2.0, vPro, TBT 2.0
NotesEach PCI-Express PHY handles 16-Lanes of PCI-E 5.0 or CXL 1.1, 6 PHYs featured on-die.Speed Select Technology - Performance Profiles:6438N (0) - 32 Active Cores @ 2.0 GHz 205 W6438N (1) - 32 Active Cores @ 1.9 GHz 205 W6438N (2) - 32 Active Cores @ 2.1 GHz 205 W
Rated Speed4800 MT/s
Memory BusEight-channel
Memory Bandwidth307.2 GB/s
Launch Price$3,351
PCI-ExpressGen 5, 80 Lanes (CPU only)
Cache L360 MB
tCaseMax85°C
ChipsetC741
All Core Turbo2.7 GHz
AVX-512 FMA Ports2
UPI Links3 x24 16GT/s
Low Priority Core Freq.1.8 GHz
High Priority Cores12
Low Priority Cores20
High Priority Core Freq.2.2 GHz