B200 SXM 192GB vs A100 SXM4 80GB
Compare NVIDIA B200 SXM 192GB and NVIDIA A100 SXM4 80GB specs, performance, and cloud pricing
B200 SXM 192GB
192GB
From $6.50/hr
A100 SXM4 80GB
80GB
From $1.10/hr
Architecture
Blackwell
vs Ampere
FP16 Gap
7.2x
B200 SXM 192GB leads
| Specification | B200 SXM 192GB | A100 SXM4 80GB |
|---|---|---|
| VRAM | 192 GB | 80 GB |
| VRAM Type | HBM3e | HBM2e |
| FP16 TFLOPS | 4.5 PFLOPS | 624 TFLOPS |
| FP8 TFLOPS | 9.0 PFLOPS | N/A |
| Memory Bandwidth | 8.0 TB/s | 2.0 TB/s |
| TDP | 1000W | 400W |
| Interconnect | NVLink 5 | NVLink 3 |
| Architecture | Blackwell | Ampere |
Price Comparison
| Metric | B200 SXM 192GB | A100 SXM4 80GB |
|---|---|---|
| Cheapest On-Demand | $6.50/hr | $1.10/hr |
| Cheapest Spot | $4.32/hr | $0.760/hr |
| Providers Available | 4 | 6 |
Verdict
Best for Training
NVIDIA B200 SXM 192GB
4.5 PFLOPS FP16 with 192GB VRAM
Best Value
NVIDIA B200 SXM 192GB
692 TFLOPS per $/hr
Best for Inference
NVIDIA B200 SXM 192GB
9.0 PFLOPS FP8/FP16
Use-Case Recommendations
Large-Scale Training
Training LLMs and large multi-modal models
Winner
B200 SXM 192GB
4.5 PFLOPS FP16 with 192GB HBM3e provides the best training throughput.
Inference at Scale
Deploying models in production for real-time inference
Winner
B200 SXM 192GB
9.0 PFLOPS FP8/FP16 gives superior inference throughput.
Budget-Conscious Workloads
Getting the best performance per dollar
Winner
B200 SXM 192GB
Starting at $6.50/hr delivers the best TFLOPS per dollar.