Can the Apple M1 (16GB) run Gemma 3 27B?

Apple M1 (16GB) × Gemma 3 27B8K context
NoDoes not fit in memory
Memory at Q4_K_M21.4 GB of 10.7 GB
Weights 16.6 GBKV cache 4.2 GBRuntime 0.6 GB
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

No. Even at Q4_K_M, Gemma 3 27B needs about 21.4 GB, but the Apple M1 (16GB) has 10.7 GB usable. You could offload some layers to system RAM, but it will be very slow.

Run it on a rented GPU

On a cloud GPU with enough memory, the same command you'd use locally works:

ollama run gemma3:27b

At Q4_K_M it needs about 21.4 GB, so pick a GPU with at least 24 GB.

New to this? Step-by-step setup for the Apple M1 (16GB)

Run it in the cloud

Too big for the Apple M1 (16GB)? Run Gemma 3 27B on a rented GPU instead.

Rent a cloud GPU by the hour. No upfront cost, stop any time. Not sure whether to rent or buy? Compare the cost.

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 10.7 GB the Apple M1 (16GB) can use. macOS lets the GPU use about 10.7 GB of the 16 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality59.6 GBToo big—
Q8_0Near-lossless33.9 GBToo big—
Q6_KExcellent27.2 GBToo big—
Q5_K_MVery good24.2 GBToo big—
Q4_K_MGood, most popular21.4 GBToo big—
Q3_K_MNoticeably degraded18.2 GBToo big—
Q2_KHeavily degraded15 GBToo big—

Frequently asked questions

Can Apple M1 (16GB) run Gemma 3 27B?

No. Even at Q4_K_M, Gemma 3 27B needs about 21.4 GB, but the Apple M1 (16GB) has 10.7 GB usable. You could offload some layers to system RAM, but it will be very slow.

How much VRAM does Gemma 3 27B need?

About 21.4 GB at Q4_K_M with 8,192 tokens of context, and about 59.6 GB at full FP16 precision.

How fast is Gemma 3 27B on the Apple M1 (16GB)?

It does not fit in the Apple M1 (16GB)'s memory, so most layers would run from system RAM and generation would be very slow.