Mac Studio, M3 Ultra, 96GB, refurbished vs Mac Studio, M3 Ultra, 256GB, refurbished
Neither box holds Qwen3-235B-A22B at Q8_0. The largest quant that fits is Q6_K, on Mac Studio, M3 Ultra, 256GB, refurbished.
- Fit
- Won't fit
- Won't fit
- Headroom
- −164GB
- −4GB
- Est. speed
- —
- —
- 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 2d
- $7,729 in 2d
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-16EWon't fitFits
- 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.