Can I Run Nemotron 70B on AMD Radeon RX 7900 XTX?

Superseded model. Nemotron 70B has been superseded by Nemotron 3 Super. This page is kept for reference; the newer family is a better starting point. View Nemotron 3 Super →

Written by Jakub Rusinowski · Last updated July 12, 2026

No — Nemotron 70B doesn't fit the AMD Radeon RX 7900 XTX's 24 GB; you're short by ~1.4 GB even at Q2_K. The cheapest card that runs it is the NVIDIA RTX 6000 Ada Generation (48 GB).

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AMD Radeon RX 7900 XTX Specs

VRAM24 GB
Memory Bandwidth960 GB/s

Nemotron 70B Instruct on the AMD Radeon RX 7900 XTX: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F16143.3 GB✗ No
Q8_077.2 GB✗ No
Q6_K60 GB✗ No
Q5_K_M52.2 GB✗ No
Q4_K_M44.8 GB✗ No
Q3_K_M32.2 GB✗ No
Q2_K25.4 GB✗ No

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.

Why It Does Not Fit

Every Nemotron 70B variant requires more VRAM than the AMD Radeon RX 7900 XTX provides (24 GB).

Nearest GPU That Fits

NVIDIA RTX 6000 Ada Generation (48 GB VRAM).

NVIDIA RTX 6000 Ada Generation 48GB
48 GB VRAM · 300 W board power
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Won't fit — rent Nemotron 70B instead

Nemotron 70B needs ~43 GB but this GPU has 24 GB. Rent a A100 (80 GB)-class GPU by the hour instead of buying one:

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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 70B?

No — Nemotron 70B doesn't fit the AMD Radeon RX 7900 XTX's 24 GB; you're short by ~1.4 GB even at Q2_K. The cheapest card that runs it is the NVIDIA RTX 6000 Ada Generation (48 GB).

Which GPU can actually run Nemotron 70B?

The NVIDIA RTX 6000 Ada Generation (48 GB VRAM) is the cheapest upgrade that fits it.

Nemotron 70B on Other GPUs

Popular Models on the AMD Radeon RX 7900 XTX

VRAM Tier

Troubleshooting

Buying Guide

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