COMPARE / A100 80GB SXM VS A100 SXM
A100 80GB SXM vs A100 SXM
Specs from the chip makers' datasheets; prices from the live Compute Cafe panel, refreshed daily. Every rate is an on-demand published price with a source receipt.
CHEAPEST A100 80GB SXM
$1.570/hr
Oblivus · median $5.12 · 6 providers
CHEAPEST A100 SXM
$1.100/hr
Baku Compute · median $1.67 · 10 providers
CHEAPER RIGHT NOW
A100 SXM
live panel, 2026-11-12
| A100 80GB SXM | A100 SXM | |
|---|---|---|
| MAKER | NVIDIA | NVIDIA |
| ARCHITECTURE | Ampere | Ampere |
| LAUNCHED | 2020 | 2020 |
| MEMORY | 80 GB HBM2e | 40 GB HBM2 (80 GB variant separate) |
| MEMORY BANDWIDTH | 2.0 TB/s | 1.6 TB/s |
| TENSOR COMPUTE | 312 TFLOPS FP16/BF16 tensor dense (624 sparse) | 312 TFLOPS FP16/BF16 tensor dense (624 sparse) |
| POWER DRAW | 400 W | 400 W |
| INTERCONNECT | NVLink 3.0 600 GB/s | NVLink 3.0 600 GB/s |
HOW TO CHOOSE
A100 SXM vs A100 80GB SXM
Same silicon, double the memory and 25% more bandwidth. If your job fits in 40 GB, the cheaper 40 GB card is the same speed; if it does not, no amount of savings helps.
Workload fit
A100 80GB SXM: fine-tuning up to 70b, multi-gpu training, large-model inference. A100 SXM: mid-size model training, multi-gpu nodes.
A100 80GB SXM VS A100 SXM - FAQ
Which is cheaper to rent, A100 80GB SXM or A100 SXM?
By today's published on-demand rates: A100 80GB SXM starts at $1.570/GPU/hr (median $5.12, 6 providers) and A100 SXM starts at $1.100/GPU/hr (median $1.67, 10 providers). The cheapest live listing is the A100 SXM at Baku Compute. Figures recompute from the panel on every refresh.
A100 80GB SXM or A100 SXM - which should I rent?
A100 80GB SXM: The A100 80GB was the standard large-model training chip of 2021-2023 and still anchors an enormous installed base. A100 SXM: The original 40 GB A100 SXM: same tensor throughput as the 80 GB part, roughly 1.6 TB/s of HBM2 bandwidth, half the memory. The side-by-side spec table and live price rows above give the full picture.
Where can I rent A100 80GB SXM and A100 SXM?
6 providers publish A100 80GB SXM rates and 10 publish A100 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 SXM · A100 SXM · all comparisons