Autor: Jakub Rusinowski · Ostatnia aktualizacja: 21 lipca 2026
Only with offload — Cosmos 3 spills onto CPU/system RAM on the NVIDIA GeForce RTX 3070 Ti (8 GB), so expect a large speed penalty.
| VRAM | 8 GB |
| Memory Bandwidth | 608 GB/s |
| Quant | VRAM needed | Fits 8 GB? | Max context |
|---|---|---|---|
| F16 | 10.1 GB | ✗ No | — |
| Q8_0 | 6.3 GB | ✓ Yes | 8K |
| Q6_K | 5.4 GB | ✓ Yes | 8K |
| Q5_K_M | 4.9 GB | ✓ Yes | 8K |
| Q4_K_M | 4.5 GB | ✓ Yes | 8K |
| Q3_K_M | 3.8 GB | ✓ Yes | 16K |
| Q2_K | 3.4 GB | ✓ Yes | 16K |
VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 8 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Every Cosmos 3 variant requires more VRAM than the NVIDIA GeForce RTX 3070 Ti provides (8 GB).
NVIDIA GeForce RTX 3080 (10GB) (10 GB VRAM).
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Only with offload — Cosmos 3 spills onto CPU/system RAM on the NVIDIA GeForce RTX 3070 Ti (8 GB), so expect a large speed penalty.
The NVIDIA GeForce RTX 3080 (10GB) (10 GB VRAM) is the cheapest upgrade that fits it.
← Can I Run It? | Cosmos 3 Model Page | NVIDIA GeForce RTX 3070 Ti GPU Page | Check Your Hardware