RTX 4090 vs RTX A6000
Compare NVIDIA RTX 4090 and NVIDIA RTX A6000 specs, performance, and cloud pricing
RTX 4090
24GB
From $0.370/hr
RTX A6000
48GB
From $0.520/hr
Architecture
Ada Lovelace
vs Ampere
FP16 Gap
3.7x
RTX A6000 leads
| Specification | RTX 4090 | RTX A6000 |
|---|---|---|
| VRAM | 24 GB | 48 GB |
| VRAM Type | GDDR6X | GDDR6 |
| FP16 TFLOPS | 83 TFLOPS | 310 TFLOPS |
| FP8 TFLOPS | 166 TFLOPS | N/A |
| Memory Bandwidth | 1.0 TB/s | 768 GB/s |
| TDP | 450W | 300W |
| Interconnect | None | NVLink |
| Architecture | Ada Lovelace | Ampere |
Price Comparison
| Metric | RTX 4090 | RTX A6000 |
|---|---|---|
| Cheapest On-Demand | $0.370/hr | $0.520/hr |
| Cheapest Spot | $0.280/hr | $0.390/hr |
| Providers Available | 3 | 4 |
Verdict
Best for Training
NVIDIA RTX A6000
310 TFLOPS FP16 with 48GB VRAM
Best Value
NVIDIA RTX A6000
596 TFLOPS per $/hr
Best for Inference
NVIDIA RTX A6000
310 TFLOPS FP8/FP16
Use-Case Recommendations
Large-Scale Training
Training LLMs and large multi-modal models
Winner
RTX A6000
310 TFLOPS FP16 with 48GB GDDR6 provides the best training throughput.
Inference at Scale
Deploying models in production for real-time inference
Winner
RTX A6000
310 TFLOPS FP8/FP16 gives superior inference throughput.
Budget-Conscious Workloads
Getting the best performance per dollar
Winner
RTX A6000
Starting at $0.520/hr delivers the best TFLOPS per dollar.