Mac Studio, M5 Max, 64GB vs Mac Studio, M5 Ultra, 96GB
Neither box holds gpt-oss-120b at Q6_K. The largest quant that fits is Q5_K_M, on Mac Studio, M5 Ultra, 96GB.
- Fit
- Won't fit
- Won't fit
- Headroom
- −39GB
- −9GB
- Est. speed
- —
- —
- Cheapest today
- $3,499 at Apple
- $5,499 at Best Buy
- Per GB of memory
- $55
- $57
- Memory
- 64GB unified memory
- 96GB unified memory
- Usable for a model
- 59GB
- 88GB
- Memory bandwidth
- 614GB/s
- 1.2TB/s
- Storage
- 512GB
- 1TB
- Lowest recorded
- $3,499 in 3d
- $5,499 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-3.3-70BWon't fitFits
- gpt-oss-120bWon't fitWon't fit
- Mistral-Large-2411Won't fitWon't fit
- Llama-4-Scout-17B-16EWon't fitWon't fit
- 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 fitWon't fit
- Qwen3-30B-A3BFitsFits
- Qwen3-4BFitsFits
- Devstral-Small-2507FitsFits
- Phi-4FitsFits
- Gemma-3n-E4BFitsFits
- Qwen3-VL-8B-InstructFitsFits
Every model we track at Q6_K. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.