H100 PCIe 80GB vs RTX 4090
Compare NVIDIA H100 PCIe 80GB and NVIDIA RTX 4090 specs, performance, and cloud pricing
H100 PCIe 80GB
80GB
From $1.68/hr
RTX 4090
24GB
From $0.370/hr
Architecture
Hopper
vs Ada Lovelace
FP16 Gap
18.2x
H100 PCIe 80GB leads
| Specification | H100 PCIe 80GB | RTX 4090 |
|---|---|---|
| VRAM | 80 GB | 24 GB |
| VRAM Type | HBM3 | GDDR6X |
| FP16 TFLOPS | 1.5 PFLOPS | 83 TFLOPS |
| FP8 TFLOPS | 3.0 PFLOPS | 166 TFLOPS |
| Memory Bandwidth | 2.0 TB/s | 1.0 TB/s |
| TDP | 350W | 450W |
| Interconnect | PCIe Gen5 | None |
| Architecture | Hopper | Ada Lovelace |
Price Comparison
| Metric | H100 PCIe 80GB | RTX 4090 |
|---|---|---|
| Cheapest On-Demand | $1.68/hr | $0.370/hr |
| Cheapest Spot | $1.25/hr | $0.280/hr |
| Providers Available | 5 | 3 |
Verdict
Best for Training
NVIDIA H100 PCIe 80GB
1.5 PFLOPS FP16 with 80GB VRAM
Best Value
NVIDIA H100 PCIe 80GB
901 TFLOPS per $/hr
Best for Inference
NVIDIA H100 PCIe 80GB
3.0 PFLOPS FP8/FP16
Use-Case Recommendations
Large-Scale Training
Training LLMs and large multi-modal models
Winner
H100 PCIe 80GB
1.5 PFLOPS FP16 with 80GB HBM3 provides the best training throughput.
Inference at Scale
Deploying models in production for real-time inference
Winner
H100 PCIe 80GB
3.0 PFLOPS FP8/FP16 gives superior inference throughput.
Budget-Conscious Workloads
Getting the best performance per dollar
Winner
H100 PCIe 80GB
Starting at $1.68/hr delivers the best TFLOPS per dollar.