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HardwareLadder
AI GPU ladder

NVIDIAAI GPU · SXM4

A100 SXM 80GB

NVIDIA A100 SXM 80GB is a Ampere data-center accelerator with 80 GB HBM2e and 2.039 TB/s of memory bandwidth.

Ladder rank
#14
AI index (H100 SXM = 100)
43.8
Series
Ampere

Specifications

Dense throughput, no sparsity
Architecture Ampere
Form factor SXM4
Process TSMC 7 nm
FP16 / BF16 tensor (dense) 312 TFLOPS
FP8 tensor (dense) —
FP4 tensor (dense) —
Memory 80 GB HBM2e
Memory bandwidth 2.039 TB/s
Power 400 W
Launch Nov 2020

AI index

Tensor × bandwidth

100 × √((312 ÷ 989.4) × (2.039 ÷ 3.35)) = 43.8

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

2 references