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NVIDIA RTX 3080 vs NVIDIA RTX 4080 SUPER for local LLMs
Across 4 tests measured on both, the NVIDIA RTX 3080 is faster in 2 and generates a median 1.09× the tokens/s of the NVIDIA RTX 4080 SUPER.
On Llama 2 7B (Q4_0, llama-bench) the NVIDIA RTX 3080 generates 146 tokens/s and the NVIDIA RTX 4080 SUPER 150 tokens/s (measured).
Same model, same quant, same test
| Model | Quant / test | RTX 3080 tok/s | RTX 4080 SUPER tok/s | Faster | Sources and run details |
|---|---|---|---|---|---|
| Llama 2 7B | Q4_0 llama-bench | 146 Vulkan | 150 Vulkan | RTX 4080 SUPER +3% | llama.cpp #10879 RTX 3080 · llama.cpp #10879 RTX 4080 SUPER |
| Llama 3.1 8B Instruct | Q4_K_M LocalScore | 81.1 llamafile | 66.6 llamafile | RTX 3080 +22% | LocalScore RTX 3080 · LocalScore RTX 4080 SUPER |
| Llama 3.2 1B Instruct | Q4_K_M LocalScore | 242 llamafile | 194 llamafile | RTX 3080 +25% | LocalScore RTX 3080 · LocalScore RTX 4080 SUPER |
| Qwen2.5 14B Instruct | Q4_K_M LocalScore | 42.0 llamafile | 44.9 llamafile | RTX 4080 SUPER +7% | LocalScore RTX 3080 · LocalScore RTX 4080 SUPER |
Generation speed in tokens/s, best measured backend for each chip (shown under the number). Backends can differ between the two chips; check them before drawing conclusions. Measured results only, nothing estimated.
Specs
| NVIDIA RTX 3080 | NVIDIA RTX 4080 SUPER | |
|---|---|---|
| Memory | 10 GB | 16 GB |
| Memory bandwidth | 760 GB/s | 736 GB/s |
All results for the NVIDIA RTX 3080 · All results for the NVIDIA RTX 4080 SUPER · More comparisons