Mac Studio, M3 Ultra, 96GB, refurbished vs Mac Studio, M3 Ultra, 256GB, refurbished
Both hold gpt-oss-120b at Q3_K_M, and Mac Studio, M3 Ultra, 256GB, refurbished is not meaningfully faster — an est. 164 tok/s against 164. Buy Mac Studio, M3 Ultra, 96GB, refurbished and keep the $3,400.
- Fit
- Fits
- Fits
- Headroom
- 29GB
- 189GB
- Est. speed
- 164 tok/s
- 164 tok/s
- Cheapest today
- $4,329 at Apple Certified Refurbished
- $7,729 at Apple Certified Refurbished
- Per GB of memory
- $45
- $30
- Memory
- 96GB unified memory
- 256GB unified memory
- Usable for a model
- 88GB
- 248GB
- Memory bandwidth
- 819GB/s
- 819GB/s
- Storage
- 1TB
- 1TB
- Lowest recorded
- $4,329 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 fitFits
- DeepSeek-V3Won't fitWon't fit
- Llama-3.3-70BFitsFits
- gpt-oss-120bFitsFits
- Mistral-Large-2411FitsFits
- Llama-4-Scout-17B-16EFitsFits
- Qwen3-32BFitsFits
- Gemma-3-27BFitsFits
- gpt-oss-20bFitsFits
- Llama-4-Maverick-17B-128EWon't fitFits
- Llama-4-BehemothWon't fitWon't fit
- Qwen3-Coder-480B-A35B-InstructWon't fitTight
- Kimi-K2-InstructWon't fitWon't fit
- GLM-4.6Won't fitFits
- DeepSeek-R1Won't fitWon't fit
- MiniMax-M2Won't fitFits
- Qwen3-30B-A3BFitsFits
- Qwen3-4BFitsFits
- Devstral-Small-2507FitsFits
- Phi-4FitsFits
- Gemma-3n-E4BFitsFits
- Qwen3-VL-8B-InstructFitsFits
Every model we track at Q3_K_M. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.