In a typical loop using a decent pump the water temperature doesn't change more than a single degree or two between hottest and coldest place of the loop.
Read more about it
here.
if you cite this
0.86*P/F where P is the heating in watts and F is the flow in litres per hour.
in with ryzen 3900 and NV3080 its like 450W-500W worth of heat to get rid of,
0.86*450=
387L of water flow per hour which is almost exactly 7L per minute for a single point of temp difference in loop.
Pump | XSPC Single 420 Bayres | Magicool MC-DCP450 | XSPC Photon Laing D5 |
Flow Rate | 7 Litres per minute | 7.5 Litres per minute | 20 Litres per minute |
but it's an overclocker pump for water cooling.
it seems that normal loops have 0.5Lpm loops which by this math does have 1/14'th the power, so temp difference should be around 15 degrees,
I just have kind of mental blockade with sending an hotter coolant to my gpu, even if its just few degrees higher.
I think I just love overkilling cooling, its so much fun to build them.