gtx 660 TI vs 7950 vs 760 - which one will work safely with my PSU ( i can afford those three)

Abhi Singh · Nov 20, 2013

As the title says i can afford either of the card 660 TI vs 760 vs 7950

The main problem is my PSU ( Dont tell me to change it because i cannot i will change my PSU after 1 year or so )

My PSU is - Cooler master thunder 500W - Link for details - http://www.coolermaster.com/product/Detail/powersupply/thunder/thunder-500w.html

I know its not a quality PSU but it is what it is , it is a brand new PSU

My whole rig -
fx 8120
8gb ddr3
gigabyte 970a

DecapitatedApple · Nov 20, 2013

mouse24 · Nov 20, 2013

Depends. They all perform very similarly, the 7950 has and extra GB of ram which might factor in if you are someone who plays alot of skyrim with texture mods and what not or on a higher than 1080p display. It also has Mantle and (I think) comes with BF4.

The 660ti and 760 also support G-sync which might also impact your buying decisions. Has 100 dollars off a shield, and has Physx if your into that.

Comes down to personal decisions/reasons.

Price might also be a deciding factor, I haven't checked in a while.

Though if you wanted an Nvidia card I would lean more toward the 760 than the 660ti.

Hussar93 · Nov 20, 2013

Please also check the amperage, that is something important as well. A GTX660 TI needs at least 24 Amp on the +12 volt rail. You have it, but there are other parts in your pc, not only your vga... give me a few minutes and I see what i can do to help.

Swordkd · Nov 20, 2013

Wait. We are a week and a half away from Black Friday, so I'd wait till then. You could probably afford a better video card than what you are thinking you can buy if you do so. I think, at the very least, you could get a 7970/280x for the same price you are looking to spend.

Hussar93 · Nov 20, 2013

Please check this for me:
http://answers.yahoo.com/question/index?qid=20130215203606AA8p4ec

I have a GTX 660 OC myself, and when I upgraded before, I didn't check the amp requirements properly. I bought 3 Psu's, and 2 of them is useless, ther were buzzing under pressure. I know you don't want to change your supply, but I don't want you to get dissappointed with it...

mouse24 · Nov 20, 2013

Hussar93 :

I assume you got that from the Nvidias website. If so thats for low end PSUs and is intended as entire system wattage.

The 660ti has (according to anandtech) a 150w tdp.

Hussar93 · Nov 20, 2013

GTX760 and 7950 are not going to work. Please check here:
http://forum-en.msi.com/faq/article/printer/power-requirements-for-graphics-cards
"GeForce GTX 760 - 30A and a 500W PSU minimum"
"Radeon HD 7950 - 25A and a 500W psu minimum"

You have 24 amp in one rail, and 21 in the other

Hussar93 · Nov 20, 2013

mouse24 :

Thanks, I will look into that as well. You see, we learn something new every day.

Abhi Singh · Nov 20, 2013

Thanks a alot hussar I'll go for a 660 ti then there is not Much of a difference between these cards as far asI've heard

mouse24 · Nov 20, 2013

Hussar93 :

Abhi Singh :

You'll be fine with a 760/770/7950/7970.

Anandtech was using an overclocked 3930k @ 4.3ghz + a 7950 and was only reaching about 360w max during stress testing for the entire system.

Abhi Singh · Nov 20, 2013

Hmm and again I am confused

chimera201 · Nov 20, 2013

The CM Thunder 500W can safely deliver 408W
And max your system consumes with
GTX 760 : 380W
GTX 660 Ti : 369W
HD 7950 : 359W

All 3 will work. Only that its a bad quality psu

Abhi Singh · Nov 20, 2013

Hmm I think I may goo for a 7950

Abhi Singh · Nov 21, 2013

I've heard that AMD cards use much power than nvidia cards and if that is true how can HD 7950 use less power than 760 or 660 ti

Chimera that power consumption is of the whole system or the just card?

chimera201 · Nov 21, 2013

Abhi Singh :

The power consumption i listed is for the whole system

Here is a chart showing only card power consumption
http://www.techpowerup.com/reviews/Powercolor/R9_290X_OC/24.html
In Average Crysis 2 at 1920x1080, Extreme profile the 7950 consumes least power
In Peak 7950 is just higher than 660Ti
Maximum is a FurMark Test where 7950 consumes highest

Another chart showing total system power consumption Battlefield 3
http://www.anandtech.com/bench/GPU13/598

Abhi Singh · Nov 21, 2013

chimera201 :

Abhi Singh :

The power consumption i listed is for the whole system

Here is a chart showing only card power consumption
http://www.techpowerup.com/reviews/Powercolor/R9_290X_OC/24.html
In Average Crysis 2 at 1920x1080, Extreme profile the 7950 consumes least power
In Peak 7950 is just higher than 660Ti
Maximum is a FurMark Test where 7950 consumes highest

Another chart showing total system power consumption Battlefield 3
http://www.anandtech.com/bench/GPU13/598

thanks i will go for a 7950 then

Raheel Hasan · Nov 21, 2013

According to ur psu specifications it can support all three cards and 760 is a bit faster than other two and 660ti consumes minimum power. With 760 total power consumption of the system during battlefield 3 is 330watts. 760 requires 30A on 12v rail and ur psu states that it has two 18A rails so it will support 760, see the link below

http://www.anandtech.com/show/7103/nvidia-geforce-gtx-760-review/16

Some reviews of this psu are not good.

http://www.hardwaresecrets.com/article/Cooler-Master-eXtreme-Power-Plus-500-W-Power-Supply-Review/728/10

Abhi Singh · Nov 21, 2013

Raheel Hasan :

My PSU is cooler master thunder not cooler master extreme

Raheel Hasan · Nov 21, 2013

Abhi Singh :

Raheel Hasan :

My PSU is cooler master thunder not cooler master extreme

They both are equally bad

chimera201 · Nov 21, 2013

The problem with Cooler Master Thunder series is that it operates at 200-240V. Almost all trusted reviewers(reviewers that have precise equipment for load testing and operating conditions) are mostly Americans and they operate at 115V. Hence u won't see reviews. And all 80 Plus certification labs are in USA so it won't be certified no matter what.

Cooler Master found an interesting loophole

Abhi Singh · Nov 22, 2013

But what about the 25A which 7950 needs in 12v wouldn't that be a Problem?

chimera201 · Nov 22, 2013

Abhi Singh :

I thought your psu was CM Thunder RS-500-ACAB-M3 which has 2 +12V rails with 24A and 21A

Abhi Singh · Nov 22, 2013

ya but he said 7950 needs 25A on one 12v rail, or is it both combined? my PSU has 24A and 21A on 2 +12v rails

chimera201 · Nov 22, 2013

It's both combined and it's 34A

gtx 660 TI vs 7950 vs 760 - which one will work safely with my PSU ( i can afford those three)

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