Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
DGX Spark (GB10) has 48 GB more VRAM, making it better suited for large models and long context windows. For compute-bound workloads like training, A100 80GB PCIe delivers 2.5× higher FP16 throughput.
Specifications
| A100 80GB PCIe | DGX Spark (GB10) | |
|---|---|---|
| VRAM | 80 GB | 128 GB |
| VRAM Type | HBM2e | LPDDR5X |
| Memory Bandwidth | 1.9 TB/s | 0.3 TB/s |
| FP16 Performance | 312 TFLOPS | 125 TFLOPS |
| Manufacturer | NVIDIA | NVIDIA |
| FP8 Support | No | Yes |
| FP4 Support | No | Yes |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| A100 80GB PCIe | DGX Spark (GB10) | |
|---|---|---|
| $/hr (cheapest) | $1.39 | — |
| $/TFLOP (compute value) | $0.0045 | — |
| $/GB VRAM (memory value) | $0.0174 | — |
Cloud Pricing
Cheapest on-demand price per provider (single GPU).
Model Compatibility
Models from the catalog that fit on each GPU, grouped by required precision.
A100 80GB PCIe (1000 models)
DGX Spark (GB10) (1000 models)
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Pricing data refreshed hourly · Last updated June 1, 2026 · Browse all comparisons