Can I Run MiniMax M2.5 on Apple M2 Ultra?
作者： Jakub Rusinowski · 最后更新： 2026年7月12日
Yes, but it's tight — MiniMax M2.5 230B at Q4_K_M needs 143.1 GB at 8K context (138.8 GB weights + 4.3 GB KV cache/overhead), leaving ~0.9 GB of the Apple M2 Ultra's 144 GB usable memory, at ~49 tok/s (est.), with room for up to 8K context.
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Apple M2 Ultra Specs
| VRAM | 192 GB unified memory |
| Memory Bandwidth | 800 GB/s |
MiniMax M2.5 230B on the Apple M2 Ultra: VRAM by quantization
| Quant | VRAM needed | Fits 192 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 464.1 GB | ✗ No | — | — |
| Q8_0 | 248.6 GB | ✗ No | — | — |
| Q6_K | 192.8 GB | ✗ No | — | — |
| Q5_K_M | 167.3 GB | ✗ No | — | — |
| Q4_K_M | 143.1 GB | ✓ Yes | 8K | — |
| Q3_K_M | 102.3 GB | ✓ Yes | 64K | — |
| Q2_K | 79.9 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 192 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 M2 Ultra: 8K 143.1 GB · 32K 153.7 GB ✗ · 128K 196 GB ✗. Past 32K it no longer fits 192 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? MiniMax M2.5 230B on 128 GB of system RAM, CPU only: runs, but it is tight.
MiniMax M2.5 Sizes That Fit the Apple M2 Ultra (at 8K context)
| MiniMax M2.5 230B | Q4_K_M · 143.1 GB at 8K context · ~49 tok/s (est.) |
MiniMax M2.5 needs ~143 GB but this GPU has 192 GB. Rent a 2× A100 (160 GB)-class GPU by the hour instead of buying one:
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FAQ
MiniMax M2.5 on the Apple M2 Ultra — does it fit?
Yes, but it's tight — MiniMax M2.5 230B at Q4_K_M needs 143.1 GB at 8K context (138.8 GB weights + 4.3 GB KV cache/overhead), leaving ~0.9 GB of the Apple M2 Ultra's 144 GB usable memory, at ~49 tok/s (est.), with room for up to 8K context.
Which MiniMax M2.5 variant fits best on the Apple M2 Ultra?
MiniMax M2.5 230B at Q4_K_M quantization needs 143.1 GB at 8K context (138.8 GB weights + 4.3 GB KV cache/overhead), estimated ~49 tokens/sec, up to 8K context.
MiniMax M2.5 on Other GPUs
- MiniMax M2.5 on Apple M4 Max
- MiniMax M2.5 on Apple M3 Max
- MiniMax M2.5 on Apple M1 Ultra
- MiniMax M2.5 on Apple M5 Max
- MiniMax M2.5 on NVIDIA DGX Spark
Popular Models on the Apple M2 Ultra
VRAM Tier
Troubleshooting
- Ollama: "model requires more system memory than is available"
- Which GGUF quant should I download? (Q4 vs Q5 vs Q8)
Buying Guide
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