Rent a GPU

Can the Apple M3 Max (64GB) run Gemma 3 4B?

Apple M3 Max (64GB) × Gemma 3 4B8K context
YesRuns fully on the GPU
Memory at FP1610.3 GB of 48 GB
Weights 8.6 GBKV cache 1.1 GBRuntime 0.6 GB
QuantFP16Full quality
Memory10.3 GBof 48 GB usable
Speed~28tokens per second
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Yes. The Apple M3 Max (64GB) can run Gemma 3 4B fully in unified memory at FP16 (full quality), using about 10.3 GB of the 48 GB available, at roughly 28 tokens/second.

Try other context lengths

Run it with Ollama

With Ollama installed, one command downloads and starts Gemma 3 4B:

ollama run gemma3:4b

Ollama's default download is Q4_K_M (about 4.3 GB here). You have room for FP16, which is full quality: pick that GGUF in LM Studio or from Hugging Face.

Run it in the cloud

No Apple M3 Max (64GB)? Run Gemma 3 4B in the cloud.

Rent a cloud GPU by the hour. No upfront cost, stop any time.

Rent a GPU on RunPodRent a GPU on Vast.ai

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 48 GB the Apple M3 Max (64GB) can use. macOS lets the GPU use about 48 GB of the 64 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality10.3 GBFits~28 tok/s
Q8_0Near-lossless6.3 GBFits~53 tok/s
Q6_KExcellent5.3 GBFits~68 tok/s
Q5_K_MVery good4.8 GBFits~78 tok/s
Q4_K_MGood, most popular4.3 GBFits~92 tok/s
Q3_K_MNoticeably degraded3.8 GBFits~114 tok/s
Q2_KHeavily degraded3.4 GBFits~149 tok/s

GPUs that run Gemma 3 4B comfortably

Models that run well on the Apple M3 Max (64GB)

Frequently asked questions

Can Apple M3 Max (64GB) run Gemma 3 4B?

Yes. The Apple M3 Max (64GB) can run Gemma 3 4B fully in unified memory at FP16 (full quality), using about 10.3 GB of the 48 GB available, at roughly 28 tokens/second.

How much VRAM does Gemma 3 4B need?

About 4.3 GB at Q4_K_M with 8,192 tokens of context, and about 10.3 GB at full FP16 precision.

How fast is Gemma 3 4B on the Apple M3 Max (64GB)?

Roughly 28 tokens per second at FP16, estimated from the Apple M3 Max (64GB)'s 400 GB/s memory bandwidth.