Apple M4 Pro (48GB) vs RTX 4090 for local LLMs
The Apple M4 Pro (48GB) runs more models well (49 vs 48 of 69), thanks to its 48 GB of memory. On models that fit both, the RTX 4090 should be about 269% faster, because generation speed follows memory bandwidth (1008 vs 273 GB/s).
Apple M4 Pro (48GB)
- 48 GB unified memory
- 273 GB/s bandwidth
- 49/69 models run well
- Varies by configuration
NVIDIA RTX 4090
- 24 GB VRAM
- 1008 GB/s bandwidth
- 48/69 models run well
- $1,599 at launch
Prices are US launch prices (MSRP) for comparison; street prices change daily. Links go to Amazon, where we earn a commission at no cost to you.
Every model, side by side
Best quant that fits and estimated speed at 8K context.