Can I Run Nex-N2.5 on NVIDIA GeForce RTX 5090?

Written by Jakub Rusinowski · Last updated September 8, 2026

Yes, comfortably — you'll have ~10.9 GB of headroom running Nex-N2.5 mini at Q4_K_M (21.13125 GB, ~247 tok/s (est.)) with room for up to 32K context.

Buy This HardwareNVIDIA GeForce RTX 5090 32GB — 32 GB VRAM · 575 W board powerDeploy in the Cloud NowRTX 5090 on RunPod

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NVIDIA GeForce RTX 5090 32GB
32 GB VRAM · 575 W board power
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NVIDIA GeForce RTX 5090 Specs

VRAM32 GB
Memory Bandwidth1792 GB/s

Nex-N2.5 mini on the NVIDIA GeForce RTX 5090: VRAM by quantization

QuantVRAM neededFits 32 GB?Max context
F1671.7 GB✗ No
Q8_038.9 GB✗ No
Q6_K30.4 GB✓ Yes8K
Q5_K_M26.5 GB✓ Yes16K
Q4_K_M22.9 GB✓ Yes32K
Q3_K_M16.7 GB✓ Yes64K
Q2_K13.2 GB✓ Yes64K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 32 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Nex-N2.5 Sizes That Fit the NVIDIA GeForce RTX 5090

Nex-N2.5 miniQ4_K_M · 21.13125 GB · ~247 tok/s (est.)
Buy vs. rent Nex-N2.5
Buy the GPU
~$1,999
NVIDIA GeForce RTX 5090 · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$1,999) beats renting at $0.34/hr after about 8.2 years.

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RunPod $0.34/hr
Rent on RunPod →
Vast.ai $0.35/hr · typical low · varies
Rent on Vast.ai →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

FAQ

Will Nex-N2.5 run on the NVIDIA GeForce RTX 5090?

Yes, comfortably — you'll have ~10.9 GB of headroom running Nex-N2.5 mini at Q4_K_M (21.13125 GB, ~247 tok/s (est.)) with room for up to 32K context.

Which Nex-N2.5 variant fits best on the NVIDIA GeForce RTX 5090?

Nex-N2.5 mini at Q4_K_M quantization (21.13125 GB), estimated ~247 tokens/sec, up to 32K context.

Every Nex-N2.5 size on the NVIDIA GeForce RTX 5090

SizeVRAMVerdictSpeed
Nex-N2.5 Max966.0 GBDoes not fit
Nex-N2.5 Pro239.7 GBDoes not fit
Nex-N2.5 mini21.1 GBRuns~247 tok/s

Nex-N2.5 on Other GPUs

Popular Models on the NVIDIA GeForce RTX 5090

VRAM Tier

Troubleshooting

Buying Guide

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