Mac Studio, M4 Max, 128GB, refurbished vs Mac Studio, M3 Ultra, 256GB, refurbished
Only Mac Studio, M3 Ultra, 256GB, refurbished holds gpt-oss-120b at Q8_0. Mac Studio, M4 Max, 128GB, refurbished is 6GB short. It costs $3,320 more, and a box that cannot load the model is not a saving.
- Fit
- Won't fit
- Fits
- Headroom
- −6GB
- 122GB
- Est. speed
- —
- 75.6 tok/s
- Cheapest today
- $4,409 at Apple Certified Refurbished
- $7,729 at Apple Certified Refurbished
- Per GB of memory
- $34
- $30
- Memory
- 128GB unified memory
- 256GB unified memory
- Usable for a model
- 120GB
- 248GB
- Memory bandwidth
- 546GB/s
- 819GB/s
- Storage
- 1TB
- 1TB
- Lowest recorded
- $4,409 in 3d
- $7,729 in 3d
Fit, headroom and speed are computed from each vendor’s published bandwidth and the model’s own size at 8K context. Prices are the cheapest listing we could read on each seller’s page. The arithmetic is here.
Where they actually differ
- Qwen3-235B-A22BWon't fitWon't fit
- DeepSeek-V3Won't fitWon't fit
- Llama-3.3-70BFitsFits
- gpt-oss-120bWon't fitFits
- Mistral-Large-2411Won't fitFits
- Llama-4-Scout-17B-16ETightFits
- Qwen3-32BFitsFits
- Gemma-3-27BFitsFits
- gpt-oss-20bFitsFits
- Llama-4-Maverick-17B-128EWon't fitWon't fit
- Llama-4-BehemothWon't fitWon't fit
- Qwen3-Coder-480B-A35B-InstructWon't fitWon't fit
- Kimi-K2-InstructWon't fitWon't fit
- GLM-4.6Won't fitWon't fit
- DeepSeek-R1Won't fitWon't fit
- MiniMax-M2Won't fitTight
- Qwen3-30B-A3BFitsFits
- Qwen3-4BFitsFits
- Devstral-Small-2507FitsFits
- Phi-4FitsFits
- Gemma-3n-E4BFitsFits
- Qwen3-VL-8B-InstructFitsFits
Every model we track at Q8_0. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.