Written by Jakub Rusinowski · Last updated August 15, 2026
No — GPT-OSS doesn't fit the AMD Radeon RX 9060 XT 8GB's 8 GB. The cheapest card that runs it is the NVIDIA GeForce RTX 5070 (12 GB).
| VRAM | 8 GB |
| Memory Bandwidth | 320 GB/s |
| Quant | VRAM needed | Fits 8 GB? | Max context |
|---|---|---|---|
| F16 | 41 GB | ✗ No | — |
| Q8_0 | 22.3 GB | ✗ No | — |
| Q6_K | 17.4 GB | ✗ No | — |
| Q5_K_M | 15.2 GB | ✗ No | — |
| Q4_K_M | 13.1 GB | ✗ No | — |
| Q3_K_M | 9.5 GB | ✗ No | — |
| Q2_K | 7.6 GB | ✓ Yes | 8K |
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 GPT-OSS variant requires more VRAM than the AMD Radeon RX 9060 XT 8GB provides (8 GB).
NVIDIA GeForce RTX 5070 (12 GB VRAM).
GPT-OSS needs ~11 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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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
No — GPT-OSS doesn't fit the AMD Radeon RX 9060 XT 8GB's 8 GB. The cheapest card that runs it is the NVIDIA GeForce RTX 5070 (12 GB).
The NVIDIA GeForce RTX 5070 (12 GB VRAM) is the cheapest upgrade that fits it.
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