Can I Run Gemma 4 on Apple M3 Pro?
Autor: Jakub Rusinowski · Ostatnia aktualizacja: 29 września 2026
Yes, comfortably — Gemma 4 31B at Q4_K_M needs 21.3 GB at 8K context (18.7 GB weights + 2.6 GB KV cache/overhead), leaving ~5.7 GB of the Apple M3 Pro's 27 GB usable memory, at ~4 tok/s (est.), with room for up to 32K context.
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Apple M3 Pro Specs
| VRAM | 36 GB unified memory |
| Memory Bandwidth | 153 GB/s |
Gemma 4 31B on the Apple M3 Pro: VRAM by quantization
| Quant | VRAM needed | Fits 36 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 64.6 GB | ✗ No | — | — |
| Q8_0 | 35.5 GB | ✗ No | — | Build for this |
| Q6_K | 28 GB | ✗ No | — | — |
| Q5_K_M | 24.6 GB | ✓ Yes | 16K | Build for this |
| Q4_K_M | 21.3 GB | ✓ Yes | 32K | Build for this |
| Q3_K_M | 15.8 GB | ✓ Yes | 32K | — |
| Q2_K | 12.8 GB | ✓ Yes | 64K | — |
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 36 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 M3 Pro: 8K 21.3 GB · 32K 26.8 GB · 128K 48.5 GB ✗. Past 128K it no longer fits 36 GB — a q8_0 KV cache buys roughly half of that back, which the calculator will price for you.
No compatible GPU? Gemma 4 31B on 32 GB of system RAM, CPU only: runs comfortably.
Gemma 4 Sizes That Fit the Apple M3 Pro (at 8K context)
| Gemma 4 31B | Q4_K_M · 21.3 GB at 8K context · ~4 tok/s (est.) |
| Gemma 4 26B-A4B | Q4_K_M · 18.2 GB at 8K context · ~24 tok/s (est.) |
| Gemma 4 12B (Unified) | Q4_K_M · 9.4 GB at 8K context · ~10 tok/s (est.) |
| Gemma 4 E4B | Q4 (QAT) · 6.4 GB at 8K context · ~16 tok/s (est.) |
| Gemma 4 E2B | Q4 (QAT) · 4.7 GB at 8K context · ~23 tok/s (est.) |
Gemma 4 needs ~21 GB but this GPU has 36 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
Will Gemma 4 run on the Apple M3 Pro?
Yes, comfortably — Gemma 4 31B at Q4_K_M needs 21.3 GB at 8K context (18.7 GB weights + 2.6 GB KV cache/overhead), leaving ~5.7 GB of the Apple M3 Pro's 27 GB usable memory, at ~4 tok/s (est.), with room for up to 32K context.
Which Gemma 4 variant fits best on the Apple M3 Pro?
Gemma 4 31B at Q4_K_M quantization needs 21.3 GB at 8K context (18.7 GB weights + 2.6 GB KV cache/overhead), estimated ~4 tokens/sec, up to 32K context.
Every Gemma 4 size on the Apple M3 Pro
| Size | VRAM at 8K | Verdict | Speed |
|---|---|---|---|
| Gemma 4 31B | 21.3 GB | Runs | ~4 tok/s |
| Gemma 4 26B-A4B | 18.2 GB | Runs | ~24 tok/s |
| Gemma 4 12B (Unified) | 9.4 GB | Runs | ~10 tok/s |
| Gemma 4 E4B | 6.4 GB | Runs | ~16 tok/s |
| Gemma 4 E2B | 4.7 GB | Runs | ~23 tok/s |
Gemma 4 on Other GPUs
- Gemma 4 on NVIDIA GeForce RTX 5090
- Gemma 4 on Apple M4
- Gemma 4 on Apple M2 Pro
- Gemma 4 on Apple M1 Pro
- Gemma 4 on Apple M5
Popular Models on the Apple M3 Pro
VRAM Tier
Troubleshooting
Buying Guide
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