Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > XFX 285 GTX - Enough power? Bottleneck?

XFX 285 GTX - Enough power? Bottleneck?

Forum Graphic & Displays : Graphics Cards - XFX 285 GTX - Enough power? Bottleneck?

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Udprod   10-04-2009 at 08:34:38 PM

Q9300 @ stock speeds
4x2gb ddr2 ram sticks
Corsair 520 HX
2 harddrives @ 7200 RPM
3 fans with LED
Dual monitor, 1920*1080 and 1440*900. Using the big one for gaming.
XFX GeForce 285


Hi.

My nVidia 260 GTX recently died, and I'm looking to replace it with a XFX 285 GTX.
Will my current power supply be capable of running this card?

DC OUTPUT +3.3V +5V +12V1 +12V2 +12V3 -12V +5Vsb
MAX CURRENT 24A 24A 18A 18A 18A 0.8A 3A
MAX COMBINED WATTAGE 140W 480W 9.6W 15W
TOTAL POWER: 520W

With my 260 GTX, I could play Crysis at Very High with about 25-30 FPS, which is acceptable to me. Will my q9300 bottleneck the 285 so I will get less fps than with the 260?

Thanks a lot in advance.

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obsidian86   10-04-2009 at 08:43:23 PM
- 0 +

285 needs minimum 575 watts and a 42 amp 12v rail but have you considered ati ? 5850 out performs a gtx 285 http://www.tomshardware.co.uk/rade [...] 2.html,and you would bottle neck a bit


Message edited by obsidian86 on 10-04-2009 at 08:44:01 PM
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Bronze Graphics badge hunter315   10-04-2009 at 08:49:35 PM
- 0 +

A GTX285 will be cutting it really close with your power supply, a 5850 uses significantly less power and would be well inside the safe range for the 520HX while costing you less assuming you can find one in stock.

What resolution do you play at as that will help determine the level of bottlenecking, but if you are playing crysis on ultra high there is no graphics card out there that will be CPU bottlenecked at 1680x1050 or higher.

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Bronze Graphics badge Bluescreendeath   10-04-2009 at 08:55:38 PM
- 0 +

A corsair 520watt is a quality brand name PSU that will be able to run a GTX285 without any issues. The 575 watt is an overestimation by Nvidia, and is only if you have a crappy power supply.

As others have said, get the ATI 5850 instead - it performs better, uses less power, is DX11 compatible, and about $50 cheaper.

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obsidian86   10-04-2009 at 09:01:10 PM
- 0 +

bout $80 cheaper


Message edited by obsidian86 on 10-04-2009 at 09:01:28 PM
Reply to obsidian86
Udprod   10-04-2009 at 09:24:41 PM
- 0 +

Hi everyone, thanks for your very fast replies!

The 5850 is indeed incredibly appealing, and I actually found a site who has them in stock!

I perhaps forgot to add it, but I play on 1920*1080 Fullscreen. I only use my 1440*900 screen for MSN/internet browsing/whatever.

Thanks again.

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