Can I Run Nex-N2.5 Max on AMD Radeon RX 7900 XT?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

Written by Jakub Rusinowski · Last updated September 8, 2026

No. Nex-N2.5 Max needs 966.0 GB at Q4_K_M and the AMD Radeon RX 7900 XT has only 20 GB. No quantization we publish closes a gap that size.

The numbers

Model	Nex-N2.5 Max
Parameters	1.6T (49B active)
Quantization	Q4_K_M
VRAM needed	966.0 GB
AMD Radeon RX 7900 XT VRAM	20 GB
Verdict	Does not fit

What to do next

Step down to a smaller size in this family — no single consumer card we track fits this one.

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Running Nex-N2.5 Max on this card:

AMD Radeon RX 7900 XT 20GB

20 GB VRAM · 315 W board power

2026 prices are volatile — check the current listing.

Check price on Amazon

Other Nex-N2.5 sizes on the AMD Radeon RX 7900 XT

Nex-N2.5 Pro — does not fit (239.7 GB)
Nex-N2.5 mini — runs at a lower quant (21.1 GB)

Nex-N2.5 Max on nearby hardware

Apple M1 (16 GB) — does not fit
NVIDIA GeForce RTX 4090 (24 GB) — does not fit

All Nex-N2.5 sizes on the AMD Radeon RX 7900 XT | VRAM calculator for Nex-N2.5 Max | AMD Radeon RX 7900 XT GPU page | Check your hardware