Written by Jakub Rusinowski · Last updated July 12, 2026
Yes, comfortably — you'll have ~2.7 GB of headroom running Yi 1.5 9B Chat at Q4_K_M (5.3311125 GB, ~40 tok/s (est.)) with room for up to 16K context.
or compare on Vast.ai from $0.35/hr (typical low · varies)
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| VRAM | 8 GB |
| Memory Bandwidth | 272 GB/s |
| Quant | VRAM needed | Fits 8 GB? | Max context |
|---|---|---|---|
| F16 | 18.9 GB | ✗ No | — |
| Q8_0 | 10.6 GB | ✗ No | — |
| Q6_K | 8.4 GB | ✗ No | — |
| Q5_K_M | 7.5 GB | ✓ Yes | 8K |
| Q4_K_M | 6.5 GB | ✓ Yes | 16K |
| Q3_K_M | 5 GB | ✓ Yes | 16K |
| Q2_K | 4.1 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.
| Yi 1.5 9B Chat | Q4_K_M · 5.3311125 GB · ~40 tok/s (est.) |
At 2 hrs/day, buying (~$299) beats renting at $0.34/hr after about 15 months.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
Yes, comfortably — you'll have ~2.7 GB of headroom running Yi 1.5 9B Chat at Q4_K_M (5.3311125 GB, ~40 tok/s (est.)) with room for up to 16K context.
Yi 1.5 9B Chat at Q4_K_M quantization (5.3311125 GB), estimated ~40 tokens/sec, up to 16K context.
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