A100 SXM4 80GB vs A100 PCIe 80GB
Compare NVIDIA A100 SXM4 80GB and NVIDIA A100 PCIe 80GB specs, performance, and cloud pricing
A100 SXM4 80GB
80GB
From $1.10/hr
A100 PCIe 80GB
80GB
From $1.05/hr
Architecture
Ampere
vs Ampere
FP16 Gap
1.0x
A100 PCIe 80GB leads
| Specification | A100 SXM4 80GB | A100 PCIe 80GB |
|---|---|---|
| VRAM | 80 GB | 80 GB |
| VRAM Type | HBM2e | HBM2e |
| FP16 TFLOPS | 624 TFLOPS | 624 TFLOPS |
| FP8 TFLOPS | N/A | N/A |
| Memory Bandwidth | 2.0 TB/s | 2.0 TB/s |
| TDP | 400W | 300W |
| Interconnect | NVLink 3 | PCIe Gen4 |
| Architecture | Ampere | Ampere |
Price Comparison
| Metric | A100 SXM4 80GB | A100 PCIe 80GB |
|---|---|---|
| Cheapest On-Demand | $1.10/hr | $1.05/hr |
| Cheapest Spot | $0.760/hr | $0.740/hr |
| Providers Available | 6 | 3 |
Verdict
Best for Training
NVIDIA A100 SXM4 80GB
624 TFLOPS FP16 with 80GB VRAM
Best Value
NVIDIA A100 PCIe 80GB
594 TFLOPS per $/hr
Best for Inference
NVIDIA A100 SXM4 80GB
624 TFLOPS FP8/FP16
Use-Case Recommendations
Large-Scale Training
Training LLMs and large multi-modal models
Winner
A100 SXM4 80GB
624 TFLOPS FP16 with 80GB HBM2e provides the best training throughput.
Inference at Scale
Deploying models in production for real-time inference
Winner
A100 SXM4 80GB
624 TFLOPS FP8/FP16 gives superior inference throughput.
Budget-Conscious Workloads
Getting the best performance per dollar
Winner
A100 PCIe 80GB
Starting at $1.05/hr delivers the best TFLOPS per dollar.