Associate
- Joined
- 12 Aug 2010
- Posts
- 125
I want one
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Best I could find, 480 at 800 core.
http://www.vortez.co.uk/articles_pages/zotac_gtx580_1_5gb_review,16.html
^^ Yeah you need 850 core to be on par with a 580, even so 800 core is not that far behind, I would settle on saving £200 and having nearly as good performance.
Core i7 920 @ 3.33GHz + 3x2GB RAM + GeForce GTX 480 @ stock pull just below 480W from the wall under full load in Furmark (granted, you can increase it further by running prime95 on the other 3 cores simultaneously but I doubt anyone ever does that).
http://www.anandtech.com/bench/GPU11/233
That is the input power and at 82.5% efficiency of the PSU it works out at just 400W being used by the system under full load.
Not that much, heh? That means that any quality 500W unit will cope with this card just fine, bear in mind that overclocking both the CPU and the GPU can increase these figures from 400W to 550W if you like playing with high volts/clocks.
Corsair speced this PSU at 520W and it will be fine with an input of up to 630W at 82% efficiency.
http://www.plugloadsolutions.com/psu_reports/SP125-CORSAIR-CMPSU-520HX-Report.pdf
Conclusion: do not worry about running this card with your current PSU, bear in mind that it's not suitable for heavy overclocking of both the CPU and the GPU (by heavy I mean watercooling and high voltages).
A quality 850W unit should do just fine. See above Anandtech power consumption under Furmark results to work out a stock system's load power input.
You'd need to take efficiency into account and leave some headroom for overclocking as well. PSU aging is usually irrelevant as you'll never use the PC at full load 24/7.
There is a handful of people who do but I'm sure they're aware of the need of supplying enough electricity over the years.
EDIT: Coolermaster Silent Pro 850W can be had for just £100 and should cope with GTX480s SLI just fine.
An overclocked GTX 480 does seem to do slightly worse than GTX 580
See my post here http://forums.overclockers.co.uk/showpost.php?p=18340426&postcount=481An overclocked GTX 480 does seem to do slightly worse than GTX 580 in those tests at 1920x1200 with some AA applied (haven't looked at other resolutions yet)..
My test just shows how close the performance of these 480's are to the 580'sI don't know what I'm supposed to be looking at.
Most people would buy an 480 for gaming,,,,,what else would you buy one for ?It's just one meaningless benchmark in terms of gaming performance?
My test just shows how close the performance of these 480's are to the 580's
You buy an 480 for gaming,,what else would you buy one for
My test just shows how close the performance of these 480's are to the 580's
Most people would buy an 480 for gaming,,,,,what else would you buy one for ?
Ordered 1, cant wait, hoping my silverstone ft02 will tame its heat/noise
also hoping its going to last me as long as my gtx280 has
power supply information