Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
For compute-bound workloads like training, B200 delivers 1.7× higher FP16 throughput. At $2.39/hr vs $6.79/hr, MI300X is the more cost-efficient choice for inference.
Specifications
| B200 | MI300X | |
|---|---|---|
| VRAM | 192 GB | 192 GB |
| VRAM Type | HBM3e | HBM3 |
| Memory Bandwidth | 8.0 TB/s | 5.3 TB/s |
| FP16 Performance | 2250 TFLOPS | 1307 TFLOPS |
| Manufacturer | NVIDIA | AMD |
| FP8 Support | Yes | Yes |
| FP4 Support | Yes | No |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| B200 | MI300X | |
|---|---|---|
| $/hr (cheapest) | $6.79 | $2.39✓ best |
| $/TFLOP (compute value) | $0.0030 | $0.0018✓ best |
| $/GB VRAM (memory value) | $0.0354 | $0.0124✓ best |
Cloud Pricing
Cheapest on-demand price per provider (single GPU).
Model Compatibility
Models from the catalog that fit on each GPU, grouped by required precision.
B200 (1000 models)
MI300X (1000 models)
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Pricing data refreshed hourly · Last updated August 31, 2026 · Browse all comparisons