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Which 670 do I choose.

SoggyTissue

SoggyTissue

SoggyTissue

Associate
Joined
31 May 2012
Posts
4
Hey guys, I'm in the process of building a new PC and I'm stuck on the graphics card.

The pc is going to be:-

CPU: i5 3570k (hopefully OC'ed to 4.5ghz)
CPU Fan: Xigmatek Prime SD1484
Motherboard: Asus Sabertooth Z77
RAM: 8Ghz
HDD: 500Gb
Case: CoolMaster Storm Enforcer
PSU: 850W Corsair TX V2

Now I want to eventually run a GTX 670 SLi, I have Narrowed Down the 3 GPUs I would like i i just want some advise on which is going to be the better choice, I would also be interested in Overclocking the GPUs aswell. The makes are:

Gigabytes GTX 670 Windforce 3x
ASUS GTX 670 (not the Top Version)
Gainward GTX 670 Phantom

Any advise would be great thanks.
 
I have a single Gigabyte gtx 670 windforce and it's highly regarded around here but if I was planning to sli my rig, I would have bought evga sc reference models as they would have pushed the heat out of the back of the pc. And I think that they have the better heat sinks in them too compared to other reference models.
 
How much of a real issue is the heat with SLi Gigabytes ? or even the Asus ? They both supposedly have amazing cooling. The case itself has a 200mm Fan at the Front and Top and a 120mm at the back. Surely that should be able to shift the heat.

Or am I being ignorant ?
 
It will be hotter but this is to be expected. I wouldn't worry about it TBH and if needs be do you have a 3rd slot to drop the card down to?
 
SoggyTissue said:
How much of a real issue is the heat with SLi Gigabytes ? or even the Asus ? They both supposedly have amazing cooling. The case itself has a 200mm Fan at the Front and Top and a 120mm at the back. Surely that should be able to shift the heat.

Or am I being ignorant ?
Click to expand...

As long as you have good case cooling and card spacing (Three slot spacing - on the pci-e slots - is the sweet spot as 2 slot spacing would mean the cards are literally sandwiched together with the top card barely getting any air) you should be fine.

I am running 2 x Asus Direct CU II's in SLI on a MSI P67A-GD55 (three slot spacing). My hotter card (the top one) reaches 80 degrees after a length gaming or benchmarking session whilst the bottom card only just creeps into the 70's. This is with +175/+400 offsets and power target set to 122%.

I should note that I only went with the Asus cards as they were £30 cheaper per card than the GB Windforce models.

I can't comment on the effectiveness of the Windforce coolers when they are in SLI but I know they are highly regarded both on here and in reviews.
 
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