Head to head

RTX 5080 vs A100 80GB

The A100 80GB holds more — 80 GB against 16 GB — which decides what you can load at all. The A100 80GB has more bandwidth at 2039 GB/s, which decides how fast tokens come out once a model fits.

Model (Q4_K_M, 8K)RTX 5080tok/sA100 80GBtok/s
Llama 3.1 8B Runs comfortably 121 Runs comfortably 238
Llama 3.1 70B Won't fit 1.35 Runs comfortably 30.5
Llama 3.2 3B Runs comfortably 266 Runs comfortably 512
Llama 3.2 1B Runs comfortably 700 Runs comfortably 1319
Llama 4 Scout 109B-A17B Won't fit 4.91 Runs comfortably 100
Qwen3 8B Runs comfortably 117 Runs comfortably 230
Qwen3 14B Runs comfortably 68.7 Runs comfortably 136
Qwen3 32B Won't fit 4.98 Runs comfortably 63.5
Qwen3 4B Runs comfortably 212 Runs comfortably 407
Qwen3 30B-A3B Won't fit 46.2 Runs comfortably 163
Qwen3 235B-A22B Won't fit 3.36 Won't fit 6.02
Qwen2.5-Coder 32B Won't fit 4.98 Runs comfortably 63.5
Qwen2.5 7B Runs comfortably 135 Runs comfortably 265
Qwen2.5 72B Won't fit 1.31 Runs comfortably 29.6
Gemma 3 4B Runs comfortably 226 Runs comfortably 434
Gemma 3 12B Runs comfortably 82.3 Runs comfortably 162

Specifications

RTX 5080A100 80GB
Memory16 GB80 GB
Bandwidth960 GB/s2039 GB/s
FP16 compute112 TFLOPS312 TFLOPS
Launch price$999$15,000
ArchitectureBlackwellAmpere