Head to head

RTX 5090 vs RTX 4070 Ti Super

The RTX 5090 holds more — 32 GB against 16 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 4070 Ti Supertok/s
Llama 3.1 8B Runs comfortably 222 Runs comfortably 77.6
Llama 3.1 70B Won't fit 2.65 Won't fit 1.22
Llama 3.2 3B Runs comfortably 478 Runs comfortably 172
Llama 3.2 1B Runs comfortably 1235 Runs comfortably 456
Llama 4 Scout 109B-A17B Won't fit 6.75 Won't fit 4.42
Qwen3 8B Runs comfortably 214 Runs comfortably 75.1
Qwen3 14B Runs comfortably 126 Runs comfortably 43.9
Qwen3 32B Runs comfortably 59.0 Won't fit 4.34
Qwen3 4B Runs comfortably 380 Runs comfortably 137
Qwen3 30B-A3B Runs comfortably 159 Won't fit 40.2
Qwen3 235B-A22B Won't fit 3.83 Won't fit 3.05
Qwen2.5-Coder 32B Runs comfortably 59.0 Won't fit 4.34
Qwen2.5 7B Runs comfortably 247 Runs comfortably 86.3
Qwen2.5 72B Won't fit 2.50 Won't fit 1.18
Gemma 3 4B Runs comfortably 405 Runs comfortably 146
Gemma 3 12B Runs comfortably 151 Runs comfortably 52.7

Specifications

RTX 5090RTX 4070 Ti Super
Memory32 GB16 GB
Bandwidth1792 GB/s672 GB/s
FP16 compute209 TFLOPS88 TFLOPS
Launch price$1,999$799
ArchitectureBlackwellAda