gemma3-4b vs phi-4-14b on RTX 3080

Compare gemma3-4b and phi-4-14b running locally on RTX 3080 (10GB VRAM) — tokens/sec, VRAM fit, and quality scores for local inference.

Quick answer: gemma3-4b is faster on RTX 3080 in this dataset (88 vs 26 tok/s decode).

Compare a different combination

gemma3-4b
88
tok/s (decode)
Quant Q4_K_M
VRAM required 3GB
Fits on RTX 3080
Quality score 44 / 100
Eval sources
Data Community benchmark
phi-4-14b
26
tok/s (decode)
Quant Q4_K_M
VRAM required 9GB
Fits on RTX 3080 Tight
Quality score 85 / 100
Eval sources
Data estimate
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GPU comparison FAQ

Which is faster on RTX 3080: gemma3-4b or phi-4-14b?

gemma3-4b is faster on RTX 3080 in this dataset (88 vs 26 tok/s decode).

Do both models fit on RTX 3080?

gemma3-4b: ✓. phi-4-14b: Tight. The fit labels use Q4_K_M VRAM estimates and the benchmark data available for this GPU.

How much VRAM do these models need?

gemma3-4b needs about 3GB in Q4_K_M; phi-4-14b needs about 9GB in Q4_K_M.

Why can speed differ by GPU?

Local LLM speed depends on GPU memory bandwidth, backend, quantization, context length, and whether the model fits entirely in VRAM or unified memory.

How can I correct this comparison?

Use the GitHub correction link on this page with your GPU, model, quantization, context length, and measured decode tokens per second.

Last updated: 2026-06-16 Suggest a correction → GitHub