Compare · prices checked 2026-09-03
H100 PCIE vs A100 PCIE: specs, price per hour, which to rent
NVIDIA H100 PCIE (80 GB, $2.147/hr) against NVIDIA A100 PCIE (80 GB, $0.662/hr): public specs side by side, live fixed prices from our sheet, what fits in each card's VRAM, and a verdict written for real workloads — both are rentable right now.
H100 PCIE vs A100 PCIE specifications
Public NVIDIA figures (dense, non-sparsity). The last column is H100 PCIE relative to A100 PCIE.
| Spec | H100 PCIE | A100 PCIE | Difference |
|---|---|---|---|
| Architecture | Hopper (2022) | Ampere (2021) | — |
| VRAM | 80 GB HBM2e | 80 GB HBM2e | same |
| Memory bandwidth | 2,000 GB/s | 1,935 GB/s | +3% |
| FP16 tensor (dense) | 756 TFLOPS | 312 TFLOPS | +142% |
| FP32 | 51.0 TFLOPS | 19.5 TFLOPS | +162% |
| CUDA cores | 14,592 | 6,912 | +111% |
| TDP | 350 W | 300 W | +17% |
| PCIe · NVLink | Gen 5.0 · no NVLink | Gen 4.0 · no NVLink | — |
| PowerScore (RTX 3090 = 100) | 532 | 220 | +142% |
| Max GPUs per machine | 8× | 8× | — |
H100 PCIE vs A100 PCIE price per hour
Fixed rates from our sheet — every on-demand price is the marketplace median × 0.70, rounded down. Monthly = 730 hours.
| Rate | H100 PCIE | A100 PCIE | Cheaper |
|---|---|---|---|
| On-demand, per GPU-hour | $2.147 | $0.662 | A100 PCIE (−69%) |
| Interruptible, per GPU-hour | $1.073 | $0.331 | A100 PCIE |
| Reserved (3 mo), per GPU-hour | $1.395 | $0.430 | A100 PCIE |
| On-demand, per month | $1,567 | $483 | A100 PCIE |
| Market median (reference) | $3.07 | $0.95 | — |
| $ per 1,000 FP16 TFLOP-hours | $2.84 | $2.12 | A100 PCIE (better value) |
| $ per GB of VRAM per hour | $0.0268 | $0.0083 | A100 PCIE (better value) |
Try a full month with storage and bandwidth in the GPU cost calculator.
What fits in VRAM: 80 GB vs 80 GB
| Workload | H100 PCIE | A100 PCIE |
|---|---|---|
| Largest LLM in FP16, one card | ~32B | ~32B |
| Largest LLM at 4-bit, one card | ~123B | ~123B |
| Flux dev (FP8, ~17 GB) | fits | fits |
| Wan 2.x 14B video (offloaded) | yes | yes |
| 70B 4-bit LLM on one card | yes | yes |
Rules of thumb: ~2.4 GB per billion parameters in FP16 all-in, ~0.62 GB in 4-bit. Full tables in the VRAM guide.
Verdict: which should you rent?
Both are 80 GB PCIe cards; the H100 PCIe adds FP8, roughly 2.4× the FP16 tensor throughput and Hopper's Transformer Engine. The A100 PCIe is the cheaper 80 GB and remains excellent for quantized 70B inference and mid-size training.
- Cheaper per hour: A100 PCIE ($0.662 vs $2.147, −69%).
- More VRAM: H100 PCIE (80 GB vs 80 GB).
- More FP16 throughput: H100 PCIE (about 2.4×).
- Best value per TFLOP-hour: A100 PCIE.
- Best value per GB of VRAM: A100 PCIE.
- Multi-GPU: H100 PCIE over PCIe · A100 PCIE over PCIe.
Related comparisons
- H100 SXM vs H100 PCIE $1.587 vs $2.147 per hour Compare
- A100 SXM4 vs A100 PCIE $0.583 vs $0.662 per hour Compare
- RTX 4090 vs A100 PCIE $0.262 vs $0.662 per hour Compare
- L40S vs A100 PCIE $0.466 vs $0.662 per hour Compare
- L40S vs H100 PCIE $0.466 vs $2.147 per hour Compare
- RTX PRO 6000 WS vs H100 PCIE $1.097 vs $2.147 per hour Compare
H100 PCIE vs A100 PCIE: FAQ
Deeper reading: H100 vs H200 vs B200, RTX 4090 vs RTX 5090, how cloud GPU pricing works.
Is the H100 PCIE faster than the A100 PCIE?
On dense FP16 tensor throughput the H100 PCIE leads by about 2.4× (756 vs 312 TFLOPS). Memory bandwidth matters as much for inference: H100 PCIE 2,000 GB/s vs A100 PCIE 1,935 GB/s.
Which is cheaper to rent, the H100 PCIE or the A100 PCIE?
The A100 PCIE: $0.662/hr on-demand versus $2.147/hr — 69% less. Interruptible rates are $1.073 (H100 PCIE) and $0.331 (A100 PCIE). Per TFLOP-hour the better value is the A100 PCIE.
Which has more VRAM and what does that change?
The H100 PCIE has 80 GB versus 80 GB. In LLM terms that is roughly a 32B FP16 model (or ~123B in 4-bit) on one card against 32B FP16 (~123B 4-bit). If the model does not fit, speed is irrelevant.
Can I rent both on PowerGPU right now?
Yes — 60 × H100 PCIE and 55 × A100 PCIE are online as this page renders, deployable in about 30 seconds, billed per second, paid in crypto with no KYC.