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HardwareLadder
AI GPU ladder

NVIDIAAI GPU · SXM5

H800 SXM

NVIDIA H800 SXM is a Hopper data-center accelerator with 80 GB HBM3 and 3.36 TB/s of memory bandwidth.

Ladder rank
#9
AI index (H100 SXM = 100)
100.1
Series
Hopper

Specifications

Dense throughput, no sparsity
Architecture Hopper
Form factor SXM5
Process TSMC 4N
FP16 / BF16 tensor (dense) 989 TFLOPS
FP8 tensor (dense) —
FP4 tensor (dense) —
Memory 80 GB HBM3
Memory bandwidth 3.36 TB/s
Power 700 W
Launch Mar 2023

AI index

Tensor × bandwidth

100 × √((989 ÷ 989.4) × (3.36 ÷ 3.35)) = 100.1

The AI index is the geometric mean of dense 16-bit tensor throughput and memory bandwidth, each relative to the H100 SXM. It is a spec-sheet comparison, not a measured benchmark.

Sources

1 references