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How to calculate price to performance ratio?

DiamondFX
By DiamondFX
in Graphics Cards
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Go to solution Solved by mr moose,

I wouldn't worry about power draw.   two other things you should take into account:

 

1. The 750  is gsync compatible but can't be run in sli (upgrade means replacing)

2. the 270  isn't feesync compatible, however can be run in CF (meaning upgrading with another one is easier you'll just need a decent 700watt PSU).

 

My advice: If VR syncing is important to you then which one you buy will currently restrict you to that brand in the future, personally I would spend the extra 28 and grab the 270.  You will be thankful when your frames stay above 35 in most games. 

Posted

So yeah, I am not good at maths so someone tell me please. 

 

For example, let's look at these two cards:

 

EVGA GeForce GTX 750 120 dollars

 

ASUS R9270-DC2OC-2GD5 148 dollars

 

(The cheapest ones I've found for NVIDIA and AMD)

 

The average benchmark results show that:

 

The GTX 750 Ti is performing around 36 FPS and the R9 270 is performing around 44 FPS.

 

I did not do the tests, the benchmarks are taken from techpower.com with 5 games: 

 

Battlefield 3, Crysis 3, Metro Last Light, Far Cry 3 and Bioshock Infinite with 1920x1080 2xAA (I think). 

 

Anyway, I want to calculate: 

 

1. How much faster is the R9 270?

2. Does the performance difference justify the cost difference? 

3. How better is the NVIDIA card regarding its power consumption?

 

These are the 3 things I want to find out. I know it's a silly project but I want to know. 

 

Thanks in advance. 

 

Something related I am doing right now: 

 

ifvrtc.jpg

 

 

 

 

 

 

 

 

 

 

 

 

 

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You take the FPS and divide them by the price, there ya go $/FPS

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Use GPU Boss. 

I really hope this is a joke...

 

 

 

 

 

OT:

1) It is 1.22x as fast, or 22% faster

 

2) The 270 costs 1.23x as much as the 750 ti for you, which is very similar to the performance ratio. They have very similar price vs performance, but the 270 is better if you can afford it. You should also include the cost of the build, it may only be 5% more for the whole build, but 20% more performance.

 

3) The 750 ti will use around 180w* under load, while the 270 will use around 240w*. Those don't include overclocking though.

 

 

 

 

*I think the power draw I looked at included the whole system, not just the gpu. It should be around the same 60w difference though.

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Posted

I really hope this is a joke...

 

Why ? I could give you an idea on how GPU1 perform against GPU2.

 

And read reviews online too is a good way to do it. 

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Why ? I could give you an idea on how GPU1 perform against GPU2.

 

And read reviews online too is a good way to do it. 

 

It's a poor comparison, that's why. It's almost as bad as metacritic for games.

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It's a poor comparison, that's why. It's almost as bad as metacritic for games.

 

I said it COULD give you an idea, not to look only on this website... 

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  • Author

I really hope this is a joke...

 

 

 

 

 

OT:

1) It is 1.22x as fast, or 22% faster

 

2) The 270 costs 1.23x as much as the 750 ti for you, which is very similar to the performance ratio. They have very similar price vs performance, but the 270 is better if you can afford it. You should also include the cost of the build, it may only be 5% more for the whole build, but 20% more performance.

 

3) The 750 ti will use around 180w under load, while the 270 will use around 240w. Those don't include overclocking though.

 

 

Thanks. That's another thing I'd like to know. How would the GTX 750 Ti pull 180W under load? The NVIDIA spec is 60W, how could it be 3 times more? Thanks. 

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Posted

I really hope this is a joke...

 

 

 

 

 

OT:

1) It is 1.22x as fast, or 22% faster

 

2) The 270 costs 1.23x as much as the 750 ti for you, which is very similar to the performance ratio. They have very similar price vs performance, but the 270 is better if you can afford it. You should also include the cost of the build, it may only be 5% more for the whole build, but 20% more performance.

 

3) The 750 ti will use around 180w under load, while the 270 will use around 240w. Those don't include overclocking though.

mostly right except the 270 is actually around 150w hence the single 6 pin and most 750tis will be under the 75w supplied by the pcie slot hence the lack of a 6 pin (on most).

op-linus said bf4 is probably one of the best benchmarks so id personally take the average fps of those cards when overclocked to 90% of thier limit then divide the fps by the price.

edit- if this is anything to go by the 270 should blow past the 750ti which kind of makes sense because the 750ti rivals the 7790/260x, the 270 has much more vram and memory bandwidth for pretty much the same cost.

BF4-FR.png

edit-edit- wow thats a 750 not a ti, they dont even compete, the 750 is about 80% of a 750ti so take 750ti results and multiply by .8

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  • Solution

I wouldn't worry about power draw.   two other things you should take into account:

 

1. The 750  is gsync compatible but can't be run in sli (upgrade means replacing)

2. the 270  isn't feesync compatible, however can be run in CF (meaning upgrading with another one is easier you'll just need a decent 700watt PSU).

 

My advice: If VR syncing is important to you then which one you buy will currently restrict you to that brand in the future, personally I would spend the extra 28 and grab the 270.  You will be thankful when your frames stay above 35 in most games. 

Grammar and spelling is not indicative of intelligence/knowledge.  Not having the same opinion does not always mean lack of understanding.  

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Use GPU Boss. 

 

Dude GPUBoss is so great! http://gpuboss.com/gpus/Radeon-R9-295X2-vs-GeForce-GTX-970

dont ever use it for christ sake

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Remember when the R9 280 was the HD 7950? Pepperidge Farm remembers.  

Running two AMD Cards: https://www.youtube.com/watch?v=rCwn1NTK-50

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