llamaperf

H100 80GB vs RX 7900 XTX

For running local LLMs · 17 reports across 5 models

Side A
H100 80GB
Vendor
nvidia
VRAM
80GB
Memory
Discrete
Side B
RX 7900 XTX
Vendor
amd
VRAM
24GB
Memory
Discrete

Highest reported generation speed by model family

These maxima come from different community setups. Model size, quantization, GPU count, offloading and concurrency may differ. They do not establish which GPU is faster for the same workload. Check the comparison conditions →

ModelH100 80GBRX 7900 XTX
Qwen3.8up to 2400Bn=172.1n=8
Gemma 4up to 31B125.3n=130.1n=2
DeepSeek V4 Flashup to 285B193.0n=112.0n=1
Qwen3.6up to 35B45.0n=1n=1
Qwen3.5up to 122Bn=1

More comparisons