作者： Jakub Rusinowski · 最后更新： 2026年7月12日
Only with offload — Phi-4 Family spills onto CPU/system RAM on the Intel Arc B570 (10 GB), so expect a large speed penalty.
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| VRAM | 10 GB |
| Memory Bandwidth | 380 GB/s |
| Quant | VRAM needed | Fits 10 GB? | Max context |
|---|---|---|---|
| F16 | 29.6 GB | ✗ No | — |
| Q8_0 | 16.5 GB | ✗ No | — |
| Q6_K | 13.1 GB | ✗ No | — |
| Q5_K_M | 11.6 GB | ✗ No | — |
| Q4_K_M | 10.1 GB | ✗ No | — |
| Q3_K_M | 7.6 GB | ✓ Yes | 8K |
| Q2_K | 6.2 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 10 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Every Phi-4 Family variant requires more VRAM than the Intel Arc B570 provides (10 GB).
NVIDIA GeForce RTX 5070 (12 GB VRAM).
Phi-4 Family needs ~8 GB but this GPU has 10 GB. Rent a RTX 4090 (24 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.
Only with offload — Phi-4 Family spills onto CPU/system RAM on the Intel Arc B570 (10 GB), so expect a large speed penalty.
The NVIDIA GeForce RTX 5070 (12 GB VRAM) is the cheapest upgrade that fits it.
← Can I Run It? | Phi-4 Family Model Page | Intel Arc B570 GPU Page | Check Your Hardware