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llm-speed

RTX 5080 vs RTX 3090

Side-by-side decode tok/s, prefill tok/s, and TTFT for RTX 5080 and RTX 3090, sourced from community-submitted runs of the llm-speed suite. Every number on this page links back to the run it came from.

hardware
RTX 5080
NVIDIA Ada/Blackwell · 16 GB VRAM
View RTX 5080 page →
hardware
RTX 3090
NVIDIA Ampere · 24 GB VRAM
View RTX 3090 page →

No overlapping RTX 5080 ↔ RTX 3090 benchmarks yet.

We don't have a submitted run that covers both sides of this comparison yet. Run the suite on either side to populate this page:

$ pipx install llm-speed && llm-speed bench

See also: RTX 5080 benchmarks · RTX 3090 benchmarks · All hardware · All models · Methodology