NVIDIA A100 vs NVIDIA DGX Spark
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA A100
Architecture
Ampere
Year
2020
VRAM
80 GB
TDP
400 W
NVIDIA DGX Spark
Architecture
Grace Blackwell
Year
2025
VRAM
128 GB
TDP
240 W
Specifications
NVIDIA A100 NVIDIA DGX Spark
Architecture
Ampere Grace Blackwell
Launch Year
2020 2025
Form Factor
SXM Desktop Workstation
VRAM
80 GB128 GB
Memory Bandwidth
2.0 TB/s273 GB/s
TDP
400 W240 W
Process Node
7nm 4nm
| Spec | NVIDIA A100 | NVIDIA DGX Spark |
|---|---|---|
| Architecture | Ampere | Grace Blackwell |
| Launch Year | 2020 | 2025 |
| Form Factor | SXM | Desktop Workstation |
| VRAM | 80 GB | 128 GB |
| Memory Bandwidth | 2.0 TB/s | 273 GB/s |
| TDP | 400 W | 240 W |
| Process Node | 7nm | 4nm |
Performance (TFLOPS)
NVIDIA A100 NVIDIA DGX Spark
FP64
9.7 TFlops—
FP32
19.5 TFlops—
FP16
312.0 TFlops100.0 TFlops
BF16
312.0 TFlops—
INT8
624.0 TFlops—
| Precision | NVIDIA A100 | NVIDIA DGX Spark |
|---|---|---|
| FP64 | 9.7 TFlops | — |
| FP32 | 19.5 TFlops | — |
| FP16 | 312.0 TFlops | 100.0 TFlops |
| BF16 | 312.0 TFlops | — |
| INT8 | 624.0 TFlops | — |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
A100
0.05 TFLOPS/W
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