NVIDIA GB300vsAMD MI300X
Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.
NVIDIA GB300
Blackwell · 2025
AMD MI300X
CDNA 3 · 2023
Specifications · Comparison
Side by side specs.
| Spec | NVIDIA GB300 | AMD MI300X |
|---|---|---|
| Architecture | Blackwell | CDNA 3 |
| VRAM | 256 GB+33.3% | 192 GB |
| Memory Type | HBM3e | HBM3 |
| Memory Bandwidth | 10000 GB/s+88.7% | 5300 GB/s |
| FP32 Performance | 120 TFLOPS | 163 TFLOPS+26.4% |
| FP16 Performance | 240 TFLOPS | 326 TFLOPS+26.4% |
| INT8 Performance | 4800 TOPS+83.9% | 2610 TOPS |
| TDP | 1200W | 750W |
| Form Factor | SXM | OAM |
| Price (avg/hr) | $4.25 | $2.50 |
Performance · Analysis
Performance breakdown.
Compute (FP32)
Raw single-precision floating point throughput
AMD MI300X is 26.4% faster
Training (FP16)
Half-precision performance for deep learning training
AMD MI300X is 26.4% faster
Inference (INT8)
Integer performance for model inference workloads
NVIDIA GB300 is 83.9% faster
Memory Bandwidth
Data transfer rate between memory and compute units
NVIDIA GB300 is 88.7% faster
Best Compute
AMD MI300X
Most Memory
NVIDIA GB300
Best Training
AMD MI300X
Best Value
AMD MI300X
Pricing · Cost
Cost comparison.
Hourly
Save $1.75 with AMD MI300X
Daily
Save $42.00 with AMD MI300X
Monthly
Save $1260.00 with AMD MI300X
Use Cases · Workloads
Best for your workload.
NVIDIA GB300
AMD MI300X
Platform · Benefits
Why Runcrate.
Instant Deployment
Get your GPU instance running in minutes with pre-configured AI environments. No setup complexity.
Pay Per Hour
Only pay for the compute you actually use. Prepaid credits with transparent, per-hour billing.
Reliable Infrastructure
Enterprise-grade reliability with automatic failover and data persistence across sessions.
Related · Comparisons
Compare other GPUs.
FAQ · Questions
Common questions.
Deploy NVIDIA GB300 or AMD MI300X
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