Mac Studio, M5 Max, 128GB vs Mac Studio, M5 Ultra, 96GB
Neither box holds DeepSeek-V3 at Q4_K_M, at any quant we compute. This pair is the wrong pair for this model.
- Fit
- Won't fit
- Won't fit
- Headroom
- −287GB
- −319GB
- Est. speed
- —
- —
- Cheapest today
- $5,099 at Apple
- $5,499 at Apple
- Per GB of memory
- $40
- $57
- Memory
- 128GB unified memory
- 96GB unified memory
- Usable for a model
- 120GB
- 88GB
- Memory bandwidth
- 614GB/s
- 1.2TB/s
- Storage
- 512GB
- 1TB
- Lowest recorded
- $5,099 in 2d
- $5,499 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-120bFitsFits
- Mistral-Large-2411FitsFits
- Llama-4-Scout-17B-16EFitsFits
- Qwen3-32BFitsFits
- Gemma-3-27BFitsFits
- gpt-oss-20bFitsFits
- Llama-4-Maverick-17B-128EWon't fitWon't fit
- Llama-4-BehemothWon't fitWon't fit
Every model we track at Q4_K_M. The rows where the two boxes agree are dimmed, because they are not what you are choosing between.