Can I Run Cosmos 3 Edge on NVIDIA GeForce RTX 3070?

作者： Jakub Rusinowski · 最后更新： 2026年9月11日

Not at BF16 — that needs 8.0 GB and the NVIDIA GeForce RTX 3070 has 8 GB. Drop to Q8_0 and it fits in 6.0 GB, with up to 16K of context.

The numbers

ModelCosmos 3 Edge
Parameters4B
QuantizationBF16
VRAM needed8.0 GB
NVIDIA GeForce RTX 3070 VRAM8 GB
VerdictRuns at a lower quant
Fits atQ8_0 (6.0 GB)
Max context16K

What to do next

Quantize to Q8_0. That is the cheapest fix — it costs some quality but no money.

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Running Cosmos 3 Edge on this card:

NVIDIA GeForce RTX 3070 8GB
8 GB VRAM · 220 W board power
2026年价格波动较大——请以当前商品页价格为准。
在亚马逊查看价格

Won't fit — rent Cosmos 3 Edge instead

Cosmos 3 Edge needs ~8 GB but this GPU has 8 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:

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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.

Other Cosmos 3 sizes on the NVIDIA GeForce RTX 3070

Cosmos 3 Edge on nearby hardware

All Cosmos 3 sizes on the NVIDIA GeForce RTX 3070 | VRAM calculator for Cosmos 3 Edge | NVIDIA GeForce RTX 3070 GPU page | Check your hardware