GPU comparison
H200 NVL vs A40.
The H200 NVL is ahead on memory (141 GB vs 48 GB) and speed (5.6x the FP16 throughput and 6.9x the memory bandwidth). The A40 makes sense when your model fits in 48 GB and its hourly price is lower.
Rent either on Runcrate
- H200 NVLfrom $4.63/hr
$0.033 per GB/hr$0.55 per 100 TFLOPS/hr
- A40Cheaperfrom $2.42/hr
$0.050 per GB/hr$1.62 per 100 TFLOPS/hr
Live hourly price, then per GB of memory and per 100 FP16 TFLOPS.
Which is better for
Which to pick for each job. Memory fit and throughput, from the datasheets.
Hold a 70B model in 8-bit weights
70 GB of 8-bit weights
H200 NVL: 1 GPU, 71 GB spare
A40: 2 GPUs (96 GB)
H200 NVL. Fits on one GPU.
Serve an 8B model in 16-bit weights
16 GB of 16-bit weights
H200 NVL: 1 GPU, 125 GB spare
A40: 1 GPU, 32 GB spare
H200 NVL. Same GPU count, 6.9x the memory bandwidth.
Fine-tune a 70B model with QLoRA
About 46 GB with 4-bit weights
H200 NVL: 1 GPU, 95 GB spare
A40: 1 GPU, 2 GB spare
H200 NVL. Same GPU count, 5.6x the FP16 throughput.
Train on a full node
FP16 tensor throughput per node
H200 NVL: 8x, 6,680 TFLOPS, NVLink in groups of 4
A40: 4x, 599 TFLOPS
H200 NVL. 8 GPUs per node, not 4.
Throughput per watt
FP16 TFLOPS per 100 W of TDP
H200 NVL: 139 TFLOPS per 100 W
A40: 50 TFLOPS per 100 W
H200 NVL. 2.8x the FP16 per watt.
Compare another pair
Hopper
NVIDIA H200 NVL
- Memory
- 141 GB HBM3e
- FP16 tensor
- 835 TFLOPS
- Bandwidth
- 4.8 TB/s
Ampere
NVIDIA A40
- Memory
- 48 GB GDDR6
- FP16 tensor
- 149.7 TFLOPS
- Bandwidth
- 696 GB/s
At a glance
Spec by spec. The longer bar is the better number.
Full specs
The complete spec sheet.
| Spec | NVIDIA H200 NVL | NVIDIA A40 |
|---|---|---|
| Architecture | Hopper | Ampere |
| Memory | 141 GB | 48 GB |
| Memory type | HBM3e | GDDR6 |
| Memory bandwidth | 4.8 TB/s | 696 GB/s |
| FP32 | 60 TFLOPS | 37.4 TFLOPS |
| FP16 tensor | 835 TFLOPS | 149.7 TFLOPS |
| INT8 | 1670 TOPS | 299 TOPS |
| TDP | 600 W | 300 W |
| Form factor | PCIe | PCIe |
| NVLink | In groups of 4 | No |
| GPUs per node | 8 | 4 |
| Hourly price (live) | from $4.63/hr | from $2.42/hr |
Questions
H200 NVL or A40. What buyers ask first.
Other comparisons