Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
M4 (16 GB) has 4 GB more VRAM, making it better suited for large models and long context windows. For compute-bound workloads like training, Radeon Pro V520 delivers 1.2× higher FP16 throughput.
Specifications
| M4 (16 GB) | Radeon Pro V520 | |
|---|---|---|
| VRAM | 12 GB | 8 GB |
| VRAM Type | LPDDR5X | HBM2 |
| Memory Bandwidth | 0.1 TB/s | 0.5 TB/s |
| FP16 Performance | 8 TFLOPS | 10 TFLOPS |
| Manufacturer | Apple | AMD |
| FP8 Support | No | No |
| FP4 Support | No | No |
Price / Performance
Based on cheapest single-GPU on-demand pricing. Lower $/TFLOP = better compute value; lower $/GB = better memory value.
| M4 (16 GB) | Radeon Pro V520 | |
|---|---|---|
| $/hr (cheapest) | — | — |
| $/TFLOP (compute value) | — | — |
| $/GB VRAM (memory value) | — | — |
Cloud Pricing
Cheapest on-demand price per provider (single GPU).
M4 (16 GB)
No cloud pricing available.
Radeon Pro V520
No cloud pricing available.
Model Compatibility
Models from the catalog that fit on each GPU, grouped by required precision.
M4 (16 GB) (1000 models)
Radeon Pro V520 (1000 models)
You might also compare…
Pricing data refreshed hourly · Last updated June 1, 2026 · Browse all comparisons