NVIDIA GB300vsNVIDIA A40
Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.
NVIDIA GB300
Blackwell · 2025
NVIDIA A40
Ampere · 2020
Specifications · Comparison
Side by side specs.
| Spec | NVIDIA GB300 | NVIDIA A40 |
|---|---|---|
| Architecture | Blackwell | Ampere |
| VRAM | 256 GB+433.3% | 48 GB |
| Memory Type | HBM3e | GDDR6 |
| Memory Bandwidth | 10000 GB/s+1336.8% | 696 GB/s |
| FP32 Performance | 120 TFLOPS+220.9% | 37.4 TFLOPS |
| FP16 Performance | 240 TFLOPS+220.9% | 74.8 TFLOPS |
| INT8 Performance | 4800 TOPS+1505.4% | 299 TOPS |
| TDP | 1200W | 300W |
| Form Factor | SXM | PCIe |
| Price (avg/hr) | $4.25 | $0.75 |
Performance · Analysis
Performance breakdown.
Compute (FP32)
Raw single-precision floating point throughput
NVIDIA GB300 is 220.9% faster
Training (FP16)
Half-precision performance for deep learning training
NVIDIA GB300 is 220.9% faster
Inference (INT8)
Integer performance for model inference workloads
NVIDIA GB300 is 1505.4% faster
Memory Bandwidth
Data transfer rate between memory and compute units
NVIDIA GB300 is 1336.8% faster
Best Compute
NVIDIA GB300
Most Memory
NVIDIA GB300
Best Training
NVIDIA GB300
Best Value
NVIDIA A40
Pricing · Cost
Cost comparison.
Hourly
Save $3.50 with NVIDIA A40
Daily
Save $84.00 with NVIDIA A40
Monthly
Save $2520.00 with NVIDIA A40
Use Cases · Workloads
Best for your workload.
NVIDIA GB300
NVIDIA A40
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 NVIDIA A40
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