Saved 10 watts at the wall by swapping GPU

Hi Friends, 

I wanted to share my learnings from swapping to a more power-efficient GPU. 

Long story short, I pay about $0.21 per kWh (generation + transmission + taxes) which didn't sit well with me on a 112 watt-Idle system. 

After some research at TechPowerUp I found some charts comparing GPU idle power which pointed to the HIS Radeon HD 5450 1 GB idling at 5W (link is at the bottom).

I bought a used one on eBay for $15 and swapped it for my GeForce 8400 GS and the idle dropped by 10 watts!

Before:

B550 Aorus Pro + R9 3900x + 64GB + GeForce 8400 GS + Unraid idle with array stopped = 112W at the wall

After: 

B550 Aorus Pro + R9 3900x + 64GB + HIS Radeon HD 5450 1 GB + Unraid idle with array stopped = 102W at the wall

GPU Savings = 10W = $1.53 per month = 5.46 DOGE 😂

Hope this helps someone who doesn't have IPMI and needs a cheap power-efficient GPU. 

Reference:

https://www.techpowerup.com/review/his-hd-5450-1-gb/27.html