NVIDIA H100 PCIevsNVIDIA GB300
Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.
NVIDIA H100 PCIe
Hopper · 2022
NVIDIA GB300
Blackwell · 2025
Specifications · Comparison
Side by side specs.
| Spec | NVIDIA H100 PCIe | NVIDIA GB300 |
|---|---|---|
| Architecture | Hopper | Blackwell |
| VRAM | 80 GB | 256 GB+68.8% |
| Memory Type | HBM3 | HBM3e |
| Memory Bandwidth | 2000 GB/s | 10000 GB/s+80% |
| FP32 Performance | 51 TFLOPS | 120 TFLOPS+57.5% |
| FP16 Performance | 102 TFLOPS | 240 TFLOPS+57.5% |
| INT8 Performance | 2040 TOPS | 4800 TOPS+57.5% |
| TDP | 350W | 1200W |
| Form Factor | PCIe | SXM |
| Price (avg/hr) | $1.40 | $4.25 |
Performance · Analysis
Performance breakdown.
Compute (FP32)
Raw single-precision floating point throughput
NVIDIA GB300 is 57.5% faster
Training (FP16)
Half-precision performance for deep learning training
NVIDIA GB300 is 57.5% faster
Inference (INT8)
Integer performance for model inference workloads
NVIDIA GB300 is 57.5% faster
Memory Bandwidth
Data transfer rate between memory and compute units
NVIDIA GB300 is 80% faster
Best Compute
NVIDIA GB300
Most Memory
NVIDIA GB300
Best Training
NVIDIA GB300
Best Value
NVIDIA H100 PCIe
Pricing · Cost
Cost comparison.
Hourly
Save $2.85 with NVIDIA H100 PCIe
Daily
Save $68.40 with NVIDIA H100 PCIe
Monthly
Save $2052.00 with NVIDIA H100 PCIe
Use Cases · Workloads
Best for your workload.
NVIDIA H100 PCIe
NVIDIA GB300
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.
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