Side-by-side GPU comparison: specs, memory, compute performance, and live cloud pricing.
Verdict
M4 Max (36 GB) has 3 GB more VRAM, making it better suited for large models and long context windows. For compute-bound workloads like training, RTX 3090 delivers 2.1× higher FP16 throughput. M4 Max (36 GB) supports a broader range of models (569 vs 566 from this catalog), giving more flexibility.
Specifications
| M4 Max (36 GB) | RTX 3090 | |
|---|---|---|
| VRAM | 27 GB | 24 GB |
| VRAM Type | LPDDR5X | GDDR6X |
| Memory Bandwidth | 0.4 TB/s | 0.9 TB/s |
| FP16 Performance | 34 TFLOPS | 71 TFLOPS |
| Manufacturer | Apple | NVIDIA |
| 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 Max (36 GB) | RTX 3090 | |
|---|---|---|
| $/hr (cheapest) | — | $0.25 |
| $/TFLOP (compute value) | — | $0.0035 |
| $/GB VRAM (memory value) | — | $0.0104 |
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.
M4 Max (36 GB) (569 models)
RTX 3090 (566 models)
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Pricing data refreshed hourly · Last updated April 11, 2026 · Browse all comparisons