GeekRadar / The comparison desk
COMPARE.
Accelerators
NVIDIA

NVIDIA H100 (SXM)

Accelerators

Processing & platform

Architecture
Hopper*

Memory & storage

Video memory
80 GB*
Video memory type
HBM3*
Memory bus
5,120 bit*
Rated memory bandwidth
3,350 GB/s*

System configuration

Detailed specifications

Specifications 1 · 22 fields
GPU architecture — NVIDIA H100 SXM — 80 GB HBM3
Hopper*
Theoretical peak: BF16 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
989.4* TFLOPS
Scope and conditions
Accumulation
FP32*
Theoretical peak: FP16 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
989.4* TFLOPS
Scope and conditions
Accumulation
FP32*
Theoretical peak: FP32 non-tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
66.9* TFLOPS
Native hardware support: FP4 tensor — NVIDIA H100 SXM — 80 GB HBM3
No*
Theoretical peak: FP64 non-tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
33.5* TFLOPS
Theoretical peak: FP64 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
66.9* TFLOPS
Native hardware support: FP6 tensor — NVIDIA H100 SXM — 80 GB HBM3
No*
Theoretical peak: FP8 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
1,978.9* TFLOPS
Scope and conditions
Accumulation
FP32*
Theoretical peak: INT8 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
1,978.9* TOPS
Theoretical peak: TF32 tensor dense per GPU — NVIDIA H100 SXM — 80 GB HBM3
494.7* TFLOPS
Physical configuration — NVIDIA H100 SXM — 80 GB HBM3
SXM5*
GPU interconnect bandwidth (NVLink 4) bidirectional — NVIDIA H100 SXM — 80 GB HBM3
900* GB/s
GPU interconnect bandwidth per direction — NVIDIA H100 SXM — 80 GB HBM3
450* GB/s
Scope and conditions
Calculation
900 / 2*
PCIe interface declaration — NVIDIA H100 SXM — 80 GB HBM3
PCIe Gen5: 128GB/s*
Maximum board power — NVIDIA H100 SXM — 80 GB HBM3
700* W
Peak memory bandwidth per GPU — NVIDIA H100 SXM — 80 GB HBM3
3,350* GB/s
Memory interface width per GPU — NVIDIA H100 SXM — 80 GB HBM3
5,120* bit
Memory capacity per GPU — NVIDIA H100 SXM — 80 GB HBM3
80* GB
Memory reported in a documented driver sample — NVIDIA H100 SXM — 80 GB HBM3
81,559* MiB
Scope and conditions
Configuration
Documented driver sample; not nominal VRAM capacity.*
Memory technology — NVIDIA H100 SXM — 80 GB HBM3
HBM3*
GPU model — NVIDIA H100 SXM — 80 GB HBM3
NVIDIA H100 SXM*
Specifications 2 · 16 fields
device name
NVIDIA H100 (SXM)*
typical power w
700* W
on chip sram mb
50*
hbm memory gb
80* GB
memory bandwidth tb s
3.35*
headline metric
3958 TOPS INT8/FP8 dense (7916 sparse); 80 GB HBM3; the 'Optics vs NVIDIA' reference point*
source type
Vendor*
vendor
NVIDIA*
tops per watt calc
5.654*
compute paradigm
Electronic*
device type
GPU*
release year
2022*
maturity
Commercial*
precision
INT8/FP8*
throughput unit
TOPS*
peak throughput
3,958*

* Provisional data