Compare the response time differences between 4xA100 and 8xH100

I ran the following script on two systems. one with 4xA100 80GB PCIe GPU and the other with 8xH100 80GB HBM3 GPU. I noticed the response time of the A100 system is better, Can someone tell why? Thanks

date;
curl http://localhost:11434/api/chat -d ‘{
“model”: “mistral”,
“messages”: [
{ “role”: “user”, “content”: “why is the sky blue?” }
]
}’
date;