Mac Studio M5 Ultra 80-core GPU vs Mac Studio M5 Max 40-core GPU
Prices, stock and measured speed side by side. Last checked 2026-10-16.
Verdict
Mac Studio M5 Max 40-core GPU is cheaper in USD by $5,700 (112%). In EUR, Mac Studio M5 Max 40-core GPU is cheaper by €6,620. On gpt-oss-120b, Mac Studio M5 Ultra 80-core GPU is faster (130 vs 79.1 tok/s; sources and engines differ, see below). Per dollar, Mac Studio M5 Max 40-core GPU gives more large-model speed (15.5 vs 12.0 tok/s per $1k). Mac Studio M5 Ultra 80-core GPU has more memory (256GB), which matters for larger models and long contexts.
Generated from the numbers below; no hands-on testing.
| Mac Studio M5 Ultra 80-core GPU, 256GB / 1TB | Mac Studio M5 Max 40-core GPU, 128GB / 512GB | |
|---|---|---|
| Price (USD) | $10,799 | $5,099 |
| Price (EUR) | €12,529 | €5,909 |
| Memory | 256GB | 128GB |
| Stock | not tracked shop | not tracked shop |
| gpt-oss-120b tok/s | 130 | 79.1 |
| gpt-oss-120b tok/s per $1k | 12.0 | 15.5 |
| gpt-oss-120b tok/s per €1k | 10.4 | 13.4 |
| Llama-2 7B tok/s | 179.1 | 119.08 |
| Llama-2 7B tok/s per $1k | 16.6 | 23.4 |
| Llama-2 7B tok/s per €1k | 14.3 | 20.2 |
| Stores | US store · EU (Ireland) | US store · EU (Ireland) |
Benchmark sources
- Mac Studio M5 Ultra 80-core GPU: large-model source (LM Studio, spoken in video (not llama-bench)) · small-model source
- Mac Studio M5 Max 40-core GPU: large-model source (Ollama 0.34.1 (not llama-bench)) · small-model source
Large: gpt-oss-120b MXFP4 (59 GiB weights), text generation tok/s at empty context, single request. Small: llama.cpp llama-bench, Llama-2 7B Q4_0, tg128 (text generation tok/s); best of FA on/off as posted.