Question Battle of single-slot gpus: GTX 745 vs R7 450 - advice?

Aug 8, 2019
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I am limited by a tiny power supply (220W) and space (only single-slot cards, so no GTX 750) in an Acer AIO but want to upgrade to a dedicated GPU. I have boiled it down to:
  • GTX 745 4gb DDR3
  • Quadro K620 2gb DDR3 - a higher clocked version of the GTX 745
  • R7 450 4gb GDDR5 - a higher clocked R7 350 or HD7750
The GTX & Quadro have a lower TDP and higher clocks going for them while the R7 has faster memory. Passmark scores are identical.

Which one should I go for if they cost the same?
If Nvidia>AMD here, should I get the slightly faster Quadro with only 2gb instead of the GTX with 4gb?
 
Aug 8, 2019
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It's a very old one in fact - Z3751. It is essentially a desktop PC slapped on the back of a LCD panel. The GPU can be fit with a riser board. What do you think about the gpu choice? :)
 

cin19

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