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(Reviewed) $400 2560x1440 IPS no-AG 90hz+ Achieva Shimian QH270 and Catleap Q270 - Page 145

Poll Results: Vote when your Achieva/Catleap monitor comes in.

 
  • 41% (232)
    Achieva QH270
  • 2% (12)
    Achieva QH270 (DOA / didn't recieve)
  • 8% (46)
    Achieva QH270 (Dead pixel(s) / flawed panel)
  • 40% (224)
    Catleap Q270
  • 1% (8)
    Catleap Q270 (DOA / didn't recieve)
  • 5% (33)
    Catleap Q270 (Dead pixel(s) / flawed panel)
555 Total Votes  
post #1441 of 4784
Quote:
Originally Posted by Druidje View Post

Guys, how much perfomance loss will I have at 1440p instead of 1080p in a game such as Skyrim?

a lot. Also depends on your specs.
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sh1v
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post #1442 of 4784
Quote:
Originally Posted by sh1v View Post

a lot. Also depends on your specs.

Well, I mean could anyone give a rough estimate of the perfomance loss? Like, 30-40%?
post #1443 of 4784
Quote:
Originally Posted by Druidje View Post

Well, I mean could anyone give a rough estimate of the perfomance loss? Like, 30-40%?

As said before, it depends on your card. Skyrim is also very VRAM-hungry, and you'd likely run into limitations with just 1GB at 1440p if you like candy.
post #1444 of 4784
Quote:
Originally Posted by Druidje View Post

Well, I mean could anyone give a rough estimate of the perfomance loss? Like, 30-40%?

Hahahah, I wish.

2560x1440 is roughly twice as many pixels as 1080p. That means that in a best case scenario, you are looking at 50% fps loss (that is assuming no vsync, if you have overkill gpu power for a game with vsync, reported frame-rate may not change much). It gets worse however as memory usage also goes up, that means that games that were previously GPU power limited may suddenly become VRAM limited, this can produce drastic fps drops, much worse than half the original FPS. The good news is you can usually compensate for this memory loss by ditching AA, which also helps ease the load on your GPU. Since AA is also a approximation of rendering a scene at double resolution (4x the number of pixels) and then down-scaling (this is how old AA used to work, modern AA does something different, but the end result is similar, just not applied globally) you can also get away with less AA as jaggies will not be as bad (this is not because of the total resolution bump so much as the increased pixel density of the 1440p display over a normal 1080p one).
Edited by Varjo - 3/8/12 at 1:03am
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post #1445 of 4784
Quote:
Originally Posted by Varjo View Post

Hahahah, I wish.
2560x1440 is roughly twice as many pixels as 1080p. That means that in a best case scenario, you are looking at 50% fps loss (that is assuming no vsync, if you have overkill gpu power for a game with vsync, reported frame-rate may not change much). It gets worse however as memory usage also goes up, that means that games that were previously GPU power limited may suddenly become VRAM limited, this can produce drastic fps drops, much worse than half the original FPS. The good news is you can usually compensate for this memory loss by ditching AA, which also helps ease the load on your GPU.

Good point, because at this resolution, AA is nearly moot. biggrin.gif
Hephaestus
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post #1446 of 4784
Quote:
Originally Posted by Varjo View Post

Hahahah, I wish.
2560x1440 is roughly twice as many pixels as 1080p. That means that in a best case scenario, you are looking at 50% fps loss (that is assuming no vsync, if you have overkill gpu power for a game with vsync, reported frame-rate may not change much). It gets worse however as memory usage also goes up, that means that games that were previously GPU power limited may suddenly become VRAM limited, this can produce drastic fps drops, much worse than half the original FPS. The good news is you can usually compensate for this memory loss by ditching AA, which also helps ease the load on your GPU. Since AA is also a approximation of rendering a scene at double resolution (4x the number of pixels) and then down-scaling (this is how old AA used to work, modern AA does something different, but the end result is similar, just not applied globally) you can also get away with less AA as jaggies will not be as bad (this is not because of the total resolution bump so much as the increased pixel density of the 1440p display over a normal 1080p one).

Dayum, that's quite a bit, although Skyrim does run on 50-60fps with everything on (including AA) and shadows running on a resolution of 4096..
Do you think it'd be possible getting it down to just a 50% loss?
post #1447 of 4784
Quote:
Originally Posted by Varjo View Post

Hahahah, I wish.
2560x1440 is roughly twice as many pixels as 1080p. That means that in a best case scenario, you are looking at 50% fps loss (that is assuming no vsync, if you have overkill gpu power for a game with vsync, reported frame-rate may not change much). It gets worse however as memory usage also goes up, that means that games that were previously GPU power limited may suddenly become VRAM limited, this can produce drastic fps drops, much worse than half the original FPS. The good news is you can usually compensate for this memory loss by ditching AA, which also helps ease the load on your GPU. Since AA is also a approximation of rendering a scene at double resolution (4x the number of pixels) and then down-scaling (this is how old AA used to work, modern AA does something different, but the end result is similar, just not applied globally) you can also get away with less AA as jaggies will not be as bad (this is not because of the total resolution bump so much as the increased pixel density of the 1440p display over a normal 1080p one).
Quote:
Originally Posted by Druidje View Post

Dayum, that's quite a bit, although Skyrim does run on 50-60fps with everything on (including AA) and shadows running on a resolution of 4096..
Do you think it'd be possible getting it down to just a 50% loss?

Provided you run at settings high and not ultra, and dont run into VRAM limitations, you should only see a ~25% loss in FPS if you drop the AA down a bit. A single 6950 2GB should be fine for 1440p.

source: http://www.techpowerup.com/reviews/AMD/HD_7850_HD_7870/21.html
post #1448 of 4784
I never contacted dream-seller as to why my tracking info wasn't found, but as most have said that did contact him, he mentioned that ebay had the tracking before it actually made it to shipping/sorting facility, and that waiting to the 8th at least for any type of update.

This is true. I have finally gotten info, but it's still in BUSANJIN. I'm expecting delivery sometime next week, unless this starts moving fast. Good to know there is tracking for it now.
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post #1449 of 4784
Can these monitors do 1280x720 or no? If so, are they decent?
Edited by Xeoc - 3/8/12 at 4:40am
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post #1450 of 4784
I am honestly Thinking about buying 5 of them ... my word! smile.gif Why the heck not right?? that is almost 3500$ cheaper then if i were to buy it fromt he US counterparts smile.gif And with square Trade warranty i am looking @ about 2100$ total my side .. holy smokes! smile.gif
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