Mac Studio M2 Ultra (64GB)
$3,999
The Mac Studio M2 Ultra with 64GB provides workstation-class performance for local LLM inference with 800 GB/s memory bandwidth, handling 70B models with room to spare.
Specifications
Memory 64GB UNIFIED
Memory Bandwidth 800 GB/s
GPU Cores 60
CPU Cores 24
TDP 60W
Max Model (Q4) 124B parameters
Max Model (Q8) 62B parameters
Performance Tier High
Category Apple Silicon
Performance Benchmarks
Llama 8B Q4 (tok/s) 60
Llama 70B Q4 (tok/s) 8
SDXL 1024px (seconds) 5s
Flux 1024px (seconds) 15s
Pros
- 800 GB/s memory bandwidth
- Runs 70B models comfortably
- Professional-grade reliability
Cons
- Expensive entry point at $3,999
- M2 generation (newer M4 Ultra available)
- 64GB may feel limiting for largest models
Compatible Models (Q4)
Models that fit in 64GB at Q4 quantization
Llama 3.3 70B Instruct 70B
37GB required Llama 3.2 8B Instruct 8B
6GB required Llama 3.2 3B Instruct 3B
3.5GB required Mistral Large 2411 123B
63.5GB required Mistral 7B Instruct v0.3 7B
5.5GB required Gemma 3 27B Instruct 27B
15.5GB required Gemma 3 12B Instruct 12B
8GB required Qwen2.5 72B Instruct 72B
38GB required DeepSeek Coder V2 Instruct 236B
12.5GB required Qwen2.5 Coder 32B Instruct 32B
18GB required Qwen2.5 Coder 7B Instruct 7B
5.5GB required CodeLlama 34B Instruct 34B
19GB required StarCoder2 15B 15B
9.5GB required DeepSeek Coder 6.7B Instruct 6.7B
5.35GB required DeepSeek R1 671B
20.5GB required DeepSeek R1 Distill Qwen 32B 32B
18GB required DeepSeek R1 Distill Qwen 7B 7B
5.5GB required QwQ 32B 32B
18GB required Phi-4 14B
9GB required FLUX.1 Schnell 12B
6GB required + 11 more models
Compatible at Q8
28 models can run at Q8 quantization