Can I Run Nemotron Cascade 2 on Apple M1 Max?
作者： Jakub Rusinowski · 最后更新： 2026年9月29日
Yes, comfortably — Nemotron-Cascade 2 30B-A3B at Q4_K_M needs 21.7 GB at 8K context (19.1 GB weights + 2.6 GB KV cache/overhead), leaving ~26.3 GB of the Apple M1 Max's 48 GB usable memory, at ~60 tok/s (est.), with room for up to 64K context.
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Apple M1 Max Specs
| VRAM | 64 GB unified memory |
| Memory Bandwidth | 400 GB/s |
Nemotron-Cascade 2 30B-A3B on the Apple M1 Max: VRAM by quantization
| Quant | VRAM needed | Fits 64 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 65.8 GB | ✗ No | — | — |
| Q8_0 | 36.2 GB | ✓ Yes | 32K | Build for this |
| Q6_K | 28.5 GB | ✓ Yes | 64K | — |
| Q5_K_M | 25 GB | ✓ Yes | 64K | Build for this |
| Q4_K_M | 21.7 GB | ✓ Yes | 64K | Build for this |
| Q3_K_M | 16.1 GB | ✓ Yes | 128K | — |
| Q2_K | 13 GB | ✓ Yes | 128K | — |
Assumes an 8K-token context with an f16 KV cache, on an estimated architecture — this model publishes no config we can read. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 64 GB of unified memory. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the Apple M1 Max: 8K 21.7 GB · 32K 27.1 GB · 128K 48.9 GB ✗. Past 128K it no longer fits 64 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Nemotron-Cascade 2 30B-A3B on 24 GB of system RAM, CPU only: runs.
Nemotron Cascade 2 Sizes That Fit the Apple M1 Max (at 8K context)
| Nemotron-Cascade 2 30B-A3B | Q4_K_M · 21.7 GB at 8K context · ~60 tok/s (est.) |
Nemotron Cascade 2 needs ~22 GB but this GPU has 64 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Does the Apple M1 Max have enough VRAM for Nemotron Cascade 2?
Yes, comfortably — Nemotron-Cascade 2 30B-A3B at Q4_K_M needs 21.7 GB at 8K context (19.1 GB weights + 2.6 GB KV cache/overhead), leaving ~26.3 GB of the Apple M1 Max's 48 GB usable memory, at ~60 tok/s (est.), with room for up to 64K context.
Which quantization of Nemotron Cascade 2 should I use on the Apple M1 Max?
Nemotron-Cascade 2 30B-A3B at Q4_K_M quantization needs 21.7 GB at 8K context (19.1 GB weights + 2.6 GB KV cache/overhead), estimated ~60 tokens/sec, up to 64K context.
Nemotron Cascade 2 on Other GPUs
- Nemotron Cascade 2 on Apple M5 Pro
- Nemotron Cascade 2 on NVIDIA RTX 6000 Ada Generation
- Nemotron Cascade 2 on NVIDIA L40S
- Nemotron Cascade 2 on NVIDIA A100 80GB (PCIe)
- Nemotron Cascade 2 on NVIDIA H100 80GB (PCIe)
Popular Models on the Apple M1 Max
VRAM Tier
Troubleshooting
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