Head to head

RTX 5090 vs RTX 3060 12GB

The RTX 5090 holds more — 32 GB against 12 GB — which decides what you can load at all. The RTX 5090 has more bandwidth at 1792 GB/s, which decides how fast tokens come out once a model fits.

Model (Q4_K_M, 8K)RTX 5090tok/sRTX 3060 12GBtok/s
Llama 3.1 8B Runs comfortably 222 Runs comfortably 43.7
Llama 3.1 70B Won't fit 2.65 Won't fit 1.13
Llama 3.2 3B Runs comfortably 478 Runs comfortably 97.2
Llama 3.2 1B Runs comfortably 1235 Runs comfortably 260
Llama 4 Scout 109B-A17B Won't fit 6.75 Won't fit 4.27
Qwen3 8B Runs comfortably 214 Runs comfortably 42.3
Qwen3 14B Runs comfortably 126 Won't fit 22.1
Qwen3 32B Runs comfortably 59.0 Won't fit 3.06
Qwen3 4B Runs comfortably 380 Runs comfortably 77.4
Qwen3 30B-A3B Runs comfortably 159 Won't fit 26.1
Qwen3 235B-A22B Won't fit 3.83 Won't fit 3.07
Qwen2.5-Coder 32B Runs comfortably 59.0 Won't fit 3.06
Qwen2.5 7B Runs comfortably 247 Runs comfortably 48.5
Qwen2.5 72B Won't fit 2.50 Won't fit 1.08
Gemma 3 4B Runs comfortably 405 Runs comfortably 82.6
Gemma 3 12B Runs comfortably 151 Runs comfortably 29.7

Specifications

RTX 5090RTX 3060 12GB
Memory32 GB12 GB
Bandwidth1792 GB/s360 GB/s
FP16 compute209 TFLOPS25 TFLOPS
Launch price$1,999$329
ArchitectureBlackwellAmpere