Best GPU for Qwen3-14B
The smallest memory budget in our catalog that runs Qwen3-14B cleanly at 8,192 tokens is 14 GiB net, with Q5_K_M (11.2 GiB–11.8 GiB total). Cards at that budget: GeForce RTX 4080 16GB, GeForce RTX 4080 SUPER 16GB, GeForce RTX 5060 Ti 16GB, GeForce RTX 5070 Ti 16GB, GeForce RTX 5080 16GB, Radeon RX 7800 XT 16GB, Radeon RX 9070 16GB, Radeon RX 9070 XT 16GB. The largest file, BF16, is comfortable from 46 GiB net: NVIDIA L40S 48GB.
Which card, by net memory
| Net budget | Devices | Best file that runs | Total at 8,192 | Result | Same file at 32,768 |
|---|---|---|---|---|---|
| 11 GiB | GeForce RTX 3060 12GB, GeForce RTX 3080 12GB, GeForce RTX 4070 12GB (desktop, GDDR6X), GeForce RTX 4070 SUPER 12GB, GeForce RTX 5070 12GB | Q4_K_M | 9.8 GiB–10.4 GiB | Tight | No |
| 14 GiB | GeForce RTX 4080 16GB, GeForce RTX 4080 SUPER 16GB, GeForce RTX 5060 Ti 16GB, GeForce RTX 5070 Ti 16GB, GeForce RTX 5080 16GB, Radeon RX 7800 XT 16GB, Radeon RX 9070 16GB, Radeon RX 9070 XT 16GB | Q5_K_M | 11.2 GiB–11.8 GiB | Fits | No |
| 15 GiB | GeForce RTX 4060 Ti 16GB, GeForce RTX 4070 Ti SUPER 16GB | Q6_K | 12.7 GiB–13.4 GiB | Fits | No |
| 18 GiB | Radeon RX 7900 XT 20GB | Q6_K | 12.7 GiB–13.4 GiB | Fits | Tight |
| 22 GiB | GeForce RTX 3090 24GB, GeForce RTX 4090 24GB, Radeon RX 7900 XTX 24GB | Q8_0 | 16.0 GiB–16.8 GiB | Fits | Tight |
| 30 GiB | GeForce RTX 5090 32GB | Q8_0 | 16.0 GiB–16.8 GiB | Comfortable | Comfortable |
| 46 GiB | NVIDIA L40S 48GB | BF16 | 29.4 GiB–31.3 GiB | Comfortable | Fits |
Rows start at the first budget where the smallest official file is at least tight and stop at the first where the largest file is comfortable. Devices in one row have the same net budget (capacity minus the catalog's default reserve), so they get the same verdict; choose between them on bandwidth, software support and price, which this page does not rank. llama.cpp, one sequence, fp16 KV cache, typical extras. Unified-memory devices use the reserve in their catalog record. "n/a" in the last column means the model's native window is shorter than 32,768 tokens.
Files this ranking uses
| File | Weights | Source repository |
|---|---|---|
| BF16 | 27.51 GiB (29,536,614,400 bytes) | Qwen/Qwen3-14B |
| Q8_0 | 14.62 GiB (15,698,533,728 bytes) | Qwen/Qwen3-14B-GGUF |
| Q6_K | 11.29 GiB (12,121,937,248 bytes) | Qwen/Qwen3-14B-GGUF |
| Q5_K_M | 9.79 GiB (10,514,569,568 bytes) | Qwen/Qwen3-14B-GGUF |
| Q4_K_M | 8.38 GiB (9,001,752,960 bytes) | Qwen/Qwen3-14B-GGUF |
Byte counts come from the repository file listings recorded on the model page. Memory estimates are formulas, not measurements on these cards. No speed figure is given: none was measured here.
Data sources
- Qwen3-14B model card
- config.json — revision 40c069824f4251a91eefaf281ebe4c544efd3e18
- safetensors index — metadata.total_size=29536614400
- Method and reserves — catalog dataset 2026-10-02.1; hardware capacities from vendor spec pages listed on each device page