NVIDIA RTX 3090vsNVIDIA GB300
Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.
NVIDIA RTX 3090
Ampere · 2020
NVIDIA GB300
Blackwell · 2025
Specifications · Comparison
Side by side specs.
| Spec | NVIDIA RTX 3090 | NVIDIA GB300 |
|---|---|---|
| Architecture | Ampere | Blackwell |
| VRAM | 24 GB | 256 GB+90.6% |
| Memory Type | GDDR6X | HBM3e |
| Memory Bandwidth | 936 GB/s | 10000 GB/s+90.6% |
| FP32 Performance | 35.6 TFLOPS | 120 TFLOPS+70.3% |
| FP16 Performance | 71 TFLOPS | 240 TFLOPS+70.4% |
| INT8 Performance | 284 TOPS | 4800 TOPS+94.1% |
| TDP | 350W | 1200W |
| Form Factor | Consumer | SXM |
| Price (avg/hr) | $0.22 | $4.25 |
Performance · Analysis
Performance breakdown.
Compute (FP32)
Raw single-precision floating point throughput
NVIDIA GB300 is 70.3% faster
Training (FP16)
Half-precision performance for deep learning training
NVIDIA GB300 is 70.4% faster
Inference (INT8)
Integer performance for model inference workloads
NVIDIA GB300 is 94.1% faster
Memory Bandwidth
Data transfer rate between memory and compute units
NVIDIA GB300 is 90.6% faster
Best Compute
NVIDIA GB300
Most Memory
NVIDIA GB300
Best Training
NVIDIA GB300
Best Value
NVIDIA RTX 3090
Pricing · Cost
Cost comparison.
Hourly
Save $4.03 with NVIDIA RTX 3090
Daily
Save $96.72 with NVIDIA RTX 3090
Monthly
Save $2901.60 with NVIDIA RTX 3090
Use Cases · Workloads
Best for your workload.
NVIDIA RTX 3090
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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