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Is a mini pcie egpu worth it?  

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Salltyy8
(@salltyy8)
New Member
Joined: 2 years ago
 

Hi Guys,
My laptop has an i7-3740qm and 8gb DDR3L Corsair Vengeance Ram, I would like to know if an eGPU setup is worth it I was thinking about using a GTX 970 but have also considered using low power consumption cards such as a 45w RX560.  I am just wanting to know about how much bottleneck the mini PCIe causes/ how close to desktop performance. Also what cards would be best if you guys think that this setup is, in fact, worth it.

Cheers, Salltyy8

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

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Yukikaze
(@yukikaze)
Prominent Member Moderator
Joined: 4 years ago
 

Since the cost of a mPCIe setup is very low (you can get an adapter for 7$, a 20$ power supply and any card you choose) it is rare that it is not worth it. It is typically not worth it if you try to use a very powerful video card on a low resolution monitor, where you'll hit diminishing returns pretty fast due to the single PCIe lane.

If you run a single external monitor at 1080p or lower, then something like a RX 480 (can be found used for under 100$) is likely a good investment.

Want to output [email protected] out of an old system on the cheap? Read here.
Give your Node Pro a second Thunderbolt3 controller for reliable peripherals by re-using a TB3 dock (~50$).

"Always listen to experts. They'll tell you what can't be done, and why. Then do it."- Robert A. Heinlein, "Time Enough for Love."

 
2012 14" Lenovo Thinkpad T430s [3rd,2C,M] + RX 550 @ 10Gbps-TB1 (Atto Thunderlink) + Win10 [build link]  


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TheGermanGuy
(@thegermanguy)
Eminent Member
Joined: 3 years ago
 

So a GTX 1080 would not be worth it on a 1080p Display ?

How much % Performance increase would i get over a GTX1060 ?

Right now (with GTX1060) i get 80% and 60-70% with internal display...

2011 15" Dell XPS L502x (GT540M) [2nd,4C,Q] + GTX 1060 @ 4Gbps-mPCIe2 (EXP GDC 8.4) + Win7 [build link]  

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