Can I Run Phi-4 Family on AMD Radeon RX 9070 XT?
Autor: Jakub Rusinowski · Ostatnia aktualizacja: 29 września 2026
Yes, comfortably — Phi-4 (14B) at Q4_K_M needs 10.9 GB at 8K context (8.5 GB weights + 2.4 GB KV cache/overhead), leaving ~5.1 GB of the AMD Radeon RX 9070 XT's 16 GB, at ~41 tok/s (est.), with room for up to 16K context.
See what else this hardware can run →
lub porównaj w Vast.ai od $0.35/godz. (typical low · varies)
Jako partner Amazon zarabiamy na kwalifikujących się zakupach. Linki do chmurowych GPU są linkami polecającymi — możemy otrzymać prowizję bez dodatkowych kosztów dla Ciebie.
AMD Radeon RX 9070 XT Specs
| VRAM | 16 GB |
| Memory Bandwidth | 640 GB/s |
Phi-4 (14B) on the AMD Radeon RX 9070 XT: VRAM by quantization
| Quant | VRAM needed | Fits 16 GB? | Max context | Whole PC |
|---|---|---|---|---|
| F16 | 30.5 GB | ✗ No | — | — |
| Q8_0 | 17.4 GB | ✗ No | — | Build for this |
| Q6_K | 14 GB | ✓ Yes | 16K | — |
| Q5_K_M | 12.4 GB | ✓ Yes | 16K | Build for this |
| Q4_K_M | 10.9 GB | ✓ Yes | 16K | Build for this |
| Q3_K_M | 8.4 GB | ✓ Yes | 16K | — |
| Q2_K | 7.1 GB | ✓ Yes | 16K | — |
Assumes an 8K-token context with an f16 KV cache. A longer window needs more; a quantized KV cache needs less. “Max context” is the largest window that still fits in 16 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.
Context costs VRAM too. At Q4_K_M on the AMD Radeon RX 9070 XT: 8K 10.9 GB · 16K 12.6 GB. Every window this model publishes still fits 16 GB.
No compatible GPU? Phi-4 (14B) on 16 GB of system RAM, CPU only: runs, but it is tight.
Phi-4 Family Sizes That Fit the AMD Radeon RX 9070 XT (at 8K context)
| Phi-4 (14B) | Q4_K_M · 10.9 GB at 8K context · ~41 tok/s (est.) |
At 2 hrs/day, buying (~$599) beats renting at $0.34/hr after about 2.4 years.
Affiliate links — we may earn a commission if you sign up, at no extra cost to you.
Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
FAQ
Phi-4 Family on the AMD Radeon RX 9070 XT — does it fit?
Yes, comfortably — Phi-4 (14B) at Q4_K_M needs 10.9 GB at 8K context (8.5 GB weights + 2.4 GB KV cache/overhead), leaving ~5.1 GB of the AMD Radeon RX 9070 XT's 16 GB, at ~41 tok/s (est.), with room for up to 16K context.
Which Phi-4 Family variant fits best on the AMD Radeon RX 9070 XT?
Phi-4 (14B) at Q4_K_M quantization needs 10.9 GB at 8K context (8.5 GB weights + 2.4 GB KV cache/overhead), estimated ~41 tokens/sec, up to 16K context.
Phi-4 Family on Other GPUs
- Phi-4 Family on NVIDIA GeForce RTX 5080
- Phi-4 Family on NVIDIA GeForce RTX 5070 Ti
- Phi-4 Family on NVIDIA GeForce RTX 5060 Ti 16GB
- Phi-4 Family on NVIDIA GeForce RTX 4080 Super
- Phi-4 Family on NVIDIA GeForce RTX 4080
Popular Models on the AMD Radeon RX 9070 XT
- DeepSeek R1 on AMD Radeon RX 9070 XT
- Qwen 3 on AMD Radeon RX 9070 XT
- Qwen 2.5 Family on AMD Radeon RX 9070 XT
VRAM Tier
Troubleshooting
Buying Guide
← Can I Run It? | Phi-4 Family Model Page | AMD Radeon RX 9070 XT GPU Page | VRAM calculator | Check Your Hardware