NVIDIA GeForce RTX 5080 × Llama 3.1 8B Instruct
Can the RTX 5080 run Llama 3.1 8B Instruct?
Yes
Yes. The RTX 5080 can run Llama 3.1 8B Instruct at up to Q8_0 (needs ~10.6 GB of 15.2 GB usable), at an estimated ~143 tokens/sec at Q4_K_M.
Speed is estimated from memory bandwidth calibrated with a measured 181.99 tok/s Llama 2 7B Q4_0 result (source). No direct public benchmark of this exact pair is recorded yet.
By quantization (8K context)
| Quant | Memory needed | Fits? | Est. tok/s |
|---|---|---|---|
| Q3_K_M | 5.9 GB | ✅ | ~178 |
| Q4_K_M | 6.9 GB | ✅ | ~143 |
| Q5_K_M | 7.7 GB | ✅ | ~122 |
| Q6_K | 8.7 GB | ✅ | ~105 |
| Q8_0 | 10.6 GB | ✅ | ~81.8 |
| F16 | 18.4 GB | ❌ | — |
Fastest hardware for Llama 3.1 8B Instruct
- NVIDIA GeForce RTX 5090 — ~229 tok/s at Q4_K_M
- NVIDIA GeForce RTX 4090 — ~147 tok/s at Q4_K_M
- AMD Radeon RX 7900 XTX — ~145 tok/s at Q4_K_M
- NVIDIA GeForce RTX 5070 Ti — ~139 tok/s at Q4_K_M
- NVIDIA GeForce RTX 3090 Ti — ~135 tok/s at Q4_K_M
No suitable GPU? Rent one by the hour on Vast.ai or RunPod (affiliate links).
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