Flopper.io GPU Comparison Sheet
September 4, 2026
flopper.io/compare/apple-m5-ultra-vs-nvidia-dgx-sparkApple M5 Ultra vs NVIDIA DGX Spark
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| Apple M5 Ultra | NVIDIA DGX Spark | |
|---|---|---|
| FP32 TFLOPS | 33.2 | — |
| VRAM | 512 GB | 128 GB |
| Memory Bandwidth | 1.2 TB/s | 273 GB/s |
| TDP | — | 140 W |
Performance by Precision
| Precision | Apple M5 Ultra peak TFLOPS (dense) | NVIDIA DGX Spark peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | 33.2 | — |
| TF32 | — | — |
| BF16 | — | — |
| FP16 | — | — |
| FP8 | — | — |
| FP6 | — | — |
| FP4 | — | 500.0 |
| INT8 | — | — |
Specifications
| Apple M5 Ultra | NVIDIA DGX Spark | |
|---|---|---|
| Architecture | Apple M5 | Grace Blackwell |
| Process Node | 3nm | 4nm |
| Launch Year | 2026 | 2025 |
| Form Factor | SoC | Desktop Workstation |
| Memory Type | LPDDR5X | — |
| Interface Width | — | — |
| Interconnect | UltraFusion | — |
| TDP | — | 140 W |
| FP32 Efficiency | — | — |