GPU

NVIDIA H800 PCIe

Edit@true years ago

Intergrated Memory(VRAM)
Capacity

80 GB

(HBM2e 5120-bit)

Bandwidth

2039 GB/s

291 Token/s

Vector Compute
FP64
800 G
FP32
51.22 T
FP16
102.45 T
BF16
102.45 T
INT32
25.61 T
INT8
X

NVIDIA H800 PCIe General-Purpose Float-Point performance (Vector Performance / Scalar Performance)

FP64: 800 GFLOPS

FP32: 51.22 TFLOPS

FP16: 102.45 TFLOPS

BF16: 102.45 TFLOPS

INT32: 25.61 TOPS

Matirx Compute
FP64
800 G
1.60 T
FP32
X
FP16
756.45 T
1512.90 T
FP8
1512.90 T
3025.79 T
TF32
378.22 T
756.45 T
BF16
756.45 T
1512.90 T
INT16
X
INT8
X
INT4
X

NVIDIA H800 PCIe AI performance (Tensor Performance / Matrix Performance)

FP64: 800 GFLOPS, with sparsity: 1.60 TFLOPS

FP16: 756.45 TFLOPS, with sparsity: 1512.90 TFLOPS

FP8: 1512.90 TFLOPS, with sparsity: 3025.79 TFLOPS

TF32: 378.22 TFLOPS, with sparsity: 756.45 TFLOPS

BF16: 756.45 TFLOPS, with sparsity: 1512.90 TFLOPS

Hardware Specs
NVIDIA H800 PCIe is a 5nm chip, has 80000 million transistors, launched by NVIDIA at 2023. It has 80 GB built-in(On-Board/On-Chip) memory with bandwidth up to 2039 GB/s. It has 14592 general-purpose ALUs(CUDA cores/Shader cores) and 456 matrix cores(Tensor cores) .
Process Node
5 nm
Launch Year
2023
Vector(CUDA) Cores
14592
Matrix(Tensor) Cores
456
Core Frequency
1095 ~ 1755 MHz
Cache
50MB