CPU

Intel Xeon Gold 6421N

Edit@2 months ago

Socketed Memory
Capacity

(8 t('channels'))

Bandwidth

281.6 GB/s

(DDR5 4400MT/s)

Vector Compute
FP64
2.66 T
FP32
5.33 T
FP16
10.65 T
BF16
10.65 T
INT32
X
INT8
21.30 T
Theoretical peak performance: 32 Cores @ 2600 MHz with 512-bit AVX512 and Dual 512-bit FMAs (Support INT8, BF16, FP16)

Intel Xeon Gold 6421N General-Purpose Float-Point performance (Vector Performance / Scalar Performance)

FP64: 2.66 TFLOPS

FP32: 5.33 TFLOPS

FP16: 10.65 TFLOPS

BF16: 10.65 TFLOPS

INT8: 21.30 TOPS

Matirx Compute
FP64
X
FP32
X
FP16
85.20 T
FP8
X
TF32
X
BF16
85.20 T
INT16
X
INT8
170.39 T
INT4
X
Theoretical peak performance: 32 Cores @ 2600 MHz with Intel Advanced Matrix Extensions

Intel Xeon Gold 6421N AI performance (Tensor Performance / Matrix Performance)

FP16: 85.20 TFLOPS

BF16: 85.20 TFLOPS

INT8: 170.39 TOPS

Hardware Specs
Intel Xeon Gold 6421N is a 10nm chip, launched by Intel at 2023. It has 32 cores, can run up to 64 threads.It can use DDR5 4400MT/s memory modules.It supports up to 8 memory channels with max bandwidth 281.6 GB/s.
Process Node
10 nm
Launch Year
2023
Max SMP
1
Cache
60MB
Threads
64
Num of Cores
32
Base Frequency
1800MHz
Boost Frequency
3600MHz
All Core Turbo Freq
2600MHz
SIMD Extensions
SSE4.2
AVX
AVX2
AVX-512
FMA3
AMX

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