NVIDIA RTX 4090vsNVIDIA A40
Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.
NVIDIA RTX 4090
Ada Lovelace · 2022
NVIDIA A40
Ampere · 2020
Specifications · Comparison
Side by side specs.
| Spec | NVIDIA RTX 4090 | NVIDIA A40 |
|---|---|---|
| Architecture | Ada Lovelace | Ampere |
| VRAM | 24 GB | 48 GB+50% |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bandwidth | 1008 GB/s+44.8% | 696 GB/s |
| FP32 Performance | 82.6 TFLOPS+120.9% | 37.4 TFLOPS |
| FP16 Performance | 165 TFLOPS+120.6% | 74.8 TFLOPS |
| INT8 Performance | 661 TOPS+121.1% | 299 TOPS |
| TDP | 450W | 300W |
| Form Factor | Consumer | PCIe |
| Price (avg/hr) | $0.36 | $0.75 |
Performance · Analysis
Performance breakdown.
Compute (FP32)
Raw single-precision floating point throughput
NVIDIA RTX 4090 is 120.9% faster
Training (FP16)
Half-precision performance for deep learning training
NVIDIA RTX 4090 is 120.6% faster
Inference (INT8)
Integer performance for model inference workloads
NVIDIA RTX 4090 is 121.1% faster
Memory Bandwidth
Data transfer rate between memory and compute units
NVIDIA RTX 4090 is 44.8% faster
Best Compute
NVIDIA RTX 4090
Most Memory
NVIDIA A40
Best Training
NVIDIA RTX 4090
Best Value
NVIDIA RTX 4090
Pricing · Cost
Cost comparison.
Hourly
Save $0.39 with NVIDIA RTX 4090
Daily
Save $9.36 with NVIDIA RTX 4090
Monthly
Save $280.80 with NVIDIA RTX 4090
Use Cases · Workloads
Best for your workload.
NVIDIA RTX 4090
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.
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