Can I Run Nemotron Cascade 2 on AMD Radeon RX 7900 XTX?

Written by Jakub Rusinowski · Last updated July 12, 2026

Yes, comfortably — you'll have ~5.9 GB of headroom running Nemotron Cascade 2 30B at Q4_K_M (18.1125 GB, ~29 tok/s (est.)) with room for up to 16K context.

Buy This HardwareAMD Radeon RX 7900 XTX 24GB — 24 GB VRAM · 355 W board powerDeploy in the Cloud NowRTX 4090 on RunPod — from $0.34/hr · rate checked 2026-07

or compare on Vast.ai from $0.35/hr (typical low · varies)

As an Amazon Associate we earn from qualifying purchases. Cloud GPU links are referral links — we may earn a commission at no extra cost to you.

Affiliate disclosure: Some links on this page are affiliate links — if you buy through them, LLM Configurator may earn a commission at no extra cost to you. As an Amazon Associate, LLM Configurator earns from qualifying purchases.

AMD Radeon RX 7900 XTX 24GB
24 GB VRAM · 355 W board power
2026 prices are volatile — check the current listing.
Check price on Amazon

AMD Radeon RX 7900 XTX Specs

VRAM24 GB
Memory Bandwidth960 GB/s

Nemotron Cascade 2 30B on the AMD Radeon RX 7900 XTX: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F1661.7 GB✗ No
Q8_033.6 GB✗ No
Q6_K26.3 GB✗ No
Q5_K_M23 GB✓ Yes8K
Q4_K_M19.8 GB✓ Yes16K
Q3_K_M14.5 GB✓ Yes32K
Q2_K11.6 GB✓ Yes32K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 24 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Nemotron Cascade 2 Sizes That Fit the AMD Radeon RX 7900 XTX

Nemotron Cascade 2 30BQ4_K_M · 18.1125 GB · ~29 tok/s (est.)
Buy vs. rent Nemotron Cascade 2
Buy the GPU
~$999
AMD Radeon RX 7900 XTX · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$999) beats renting at $0.34/hr after about 4.1 years.

Affiliate links — we may earn a commission if you sign up, at no extra cost to you.

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

Does the AMD Radeon RX 7900 XTX have enough VRAM for Nemotron Cascade 2?

Yes, comfortably — you'll have ~5.9 GB of headroom running Nemotron Cascade 2 30B at Q4_K_M (18.1125 GB, ~29 tok/s (est.)) with room for up to 16K context.

Which quantization of Nemotron Cascade 2 should I use on the AMD Radeon RX 7900 XTX?

Nemotron Cascade 2 30B at Q4_K_M quantization (18.1125 GB), estimated ~29 tokens/sec, up to 16K context.

Nemotron Cascade 2 on Other GPUs

Popular Models on the AMD Radeon RX 7900 XTX

VRAM Tier

Troubleshooting

Buying Guide

← Can I Run It? | Nemotron Cascade 2 Model Page | AMD Radeon RX 7900 XTX GPU Page | Check Your Hardware