COMPARE / A100 80GB VS H100 SXM
A100 80GB vs H100 SXM
Specs from the chip makers' datasheets; prices from the live Compute Cafe panel, refreshed hourly. Every rate is an on-demand published price with a source receipt.
CHEAPEST A100 80GB
$0.292/hr
AIC Cloud · median $1.60 · 36 providers
CHEAPEST H100 SXM
$0.890/hr
SpotGPUs · median $5.49 · 77 providers
CHEAPER RIGHT NOW
A100 80GB
live panel, 2026-09-27
| A100 80GB | H100 SXM | |
|---|---|---|
| MAKER | NVIDIA | NVIDIA |
| ARCHITECTURE | Ampere | Hopper |
| LAUNCHED | 2020 | 2022 |
| MEMORY | 80 GB HBM2e | 80 GB HBM3 |
| MEMORY BANDWIDTH | 2.0 TB/s | 3.35 TB/s |
| TENSOR COMPUTE | 312 TFLOPS FP16/BF16 tensor dense (624 sparse) | 989 TFLOPS FP16/BF16 tensor dense (1,979 sparse); 1,979 TFLOPS FP8 dense |
| POWER DRAW | 250-400 W by form factor | 700 W |
| INTERCONNECT | NVLink 3.0 (SXM) or PCIe 4.0 | NVLink 4.0 900 GB/s |
HOW TO CHOOSE
A100 80GB vs H100 SXM
Hopper triples dense FP16 and adds FP8; the A100 counters on price. Compare live panel rates before assuming the newer chip wins on value.
Workload fit
A100 80GB: fine-tuning, large-model inference, mig multi-tenant serving. H100 SXM: llm pre-training, 70b+ fine-tuning, high-throughput inference.
A100 80GB VS H100 SXM - FAQ
Which is cheaper to rent, A100 80GB or H100 SXM?
By today's published on-demand rates: A100 80GB starts at $0.292/GPU/hr (median $1.60, 36 providers) and H100 SXM starts at $0.890/GPU/hr (median $5.49, 77 providers). The cheapest live listing is the A100 80GB at AIC Cloud. Figures recompute from the panel on every refresh.
A100 80GB or H100 SXM - which should I rent?
A100 80GB: The 80 GB A100 in either form factor is the market's reference point for large-model work: enough HBM to fine-tune 70B-class models, enough bandwidth to keep tensor cores fed, and a huge installed base that keeps hourly rates competitive. H100 SXM: The H100 SXM is the chip the current generation of frontier models was trained on, and the benchmark every other datacenter GPU is priced against. The side-by-side spec table and live price rows above give the full picture.
Where can I rent A100 80GB and H100 SXM?
36 providers publish A100 80GB rates and 77 publish H100 SXM rates on Compute Cafe. Every row links to the provider's own published price - committed-use and reserved rates are excluded.
Full pricing: A100 80GB · H100 SXM · all comparisons