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Which has better performance and produces less heat?
Going to pay more though. The GTX 470 definitely is the better performer. Hell, most any factory OC'd GTX 460 matches or beats an HD 5850 these days.
Except that the 5850 is a better OCer than the 460...If I were you, I'd just get a GTX 460 1GB and overclock the crap out of it, they perform on par with the 5850
With the newer drivers, the 470 is handily better than the 5850, albeit at a higher power/heat cost.
If I were you, I'd just get a GTX 460 1GB and overclock the crap out of it, they perform on par with the 5850 but has all the goodies that come with nvidia cards and a lot cheaper.
Only if you define handily as 5%.
There weren't any magical Fermi drivers, performance has improved maybe 1 or 2% since launch (which really isn't surprising).
Except that the 5850 is a better OCer than the 460...
Lets be clear the 5850 is NOT a better OCer than a gtx 460. A 460 can be overclocked to reach over 40% more performance with stock cooling. The 5850 cannot on stock cooling.
The problem is coolers are so different. Are we talking reference coolers, the gigabyte coolers, the ice-q coolers? etc etc.
Also chips vary, what one can do doesnt always translate perfectly to the other, and other people's definition of stable can vary widly.
YMMV.
YMMV is always true in overclocking, however I can't let somebody say the 5850 is a better overclocker because it's not.
Our HD5850 was stable up to 875MHz using 1.15V.
Our Radeon HD 5850s were stable up to 830/2400 MHz, which is almost as much as the bigger HD 5870 is running at.
the highest overclock I tried for was 1GHz on the GPU core and 1210 MHz on the GDDR5 memory. A relative overclock of about 38% on the GPU core and 21% on the memory - both fantastic overclocks.
Bullshit. 5850s reach 5870 clocks or close quite easily. Even easier if you can find models that allow voltage control.
http://tech.icrontic.com/articles/overclocking-the-radeon-hd-5850/
http://www.pcgameshardware.com/aid,...viewed-The-DirectX-11-bargain/Reviews/?page=4
http://www.overclockersclub.com/reviews/xfx5850/5.htm
878/1400
820/1250
Lorien I never said a HD 5850 can't reach HD 5870 speeds or overclock up to 38%. Read my posts again. I said it can't overclock as high from it's stock speeds as GTX 460 can. GTX 460 have shown over 40% + boosts from it's stock frequencies. Again re-read my posts. I know the 5850 is faster because when overclocked the best you can hope from your GTX 460 is that it'll be at or around HD 5850 1gb STOCK speed.
Either way this is about GTX 470 vs 5850. It depends on your configuration and how much heat/noise/power usage you find tollerable. But I think GTX 470 is better for most High end gamers overall.
Which has better performance and produces less heat?
NVIDIA vs. Gigabyte R5850C
Our first showdown was between the NVIDIA GeForce GTX 470 and the Gigabyte R5850C. Splinter Cell: Conviction was the only game where the GTX 470 preformed better than the Gigabyte R5850C and that was only do to the little more efficient CSAA mode. In Metro 2033 the battle was a draw with both being playable at the same settings. In Battlefield: Bad Company 2 and in Aliens vs. Predator the victory went to the Gigabyte R5850C with it not only being able to give a similar gameplay experience but also offering versatility in the settings.
On top of that our power and temperature testing didnt work in GTX 470s favor either. At idle the GTX 470 pulled off an upset by drawing less power than the Gigabyte R5850C. At full load however it drew nearly 50 Watts more and reached 92c. The final straw though is the price. While the GTX 470 costs $350 the Gigabyte R5850C can be had for $40 less at $310.
40% + @stock cooling is BS, 675 * 1.4 = 945, most of the review sites can only get it to around mid 800s, 40% is not a norm, so stop saying as if it is.
I've seen reviews that show something on the order of 20% improvement with the 470, which I do define as handily. Like this one:
http://techreport.com/articles.x/19342/8
I remember the 470 was a tad slower than the 5850 at release. Now it's slightly faster than a 5870
All the people claiming you can simply "overclock" the 5850 to 5870 levels- Explain to me how overclocking is going to magically make a card with 1440 stream processors (5850) perform at the level of a card with 1600 stream processors (5870), even if they are at the same clockspeed. You would actually have to clock it a bit above the clocks of the 5870 to match it's performance.
All the people claiming you can simply "overclock" the 5850 to 5870 levels- Explain to me how overclocking is going to magically make a card with 1440 stream processors (5850) perform at the level of a card with 1600 stream processors (5870), even if they are at the same clockspeed. You would actually have to clock it a bit above the clocks of the 5870 to match it's performance.
1) I happen to prefer real results to canned benchmarks, and if you check [H]'s reviews the 5850 actually WINS in performance
2) Even other canned sites disagree with that: http://techpowerup.com/reviews/Palit/GeForce_GTX_470_Dual/29.html
There is less than a 10% performance difference at all resolutions, and at 2560x1600 it drops to 1%. 20%? Not a chance.
3) You want to talk about the effect of new drivers and then link to a review using old drivers for the ATI cards? Nice, real nice. But for what it's worth, [H] did a comparison of Fermi's new drivers vs. the launch ones: http://hardocp.com/article/2010/06/16/nvidia_forceware_25721_driver_performance/1 Outside of a couple of specific scenarios, the overall performance improvement was 1 or 2%, it didn't change anything.
5850 vs GTX470?
Which has better performance and produces less heat?
ATI has had fare fare more time with driver updates than Nvidia has. Since release Fermi is slowly performing better and better. Give it the amount of time ATI has had to perfect drivers (something Nvidia is good at...) and the GTX 470 will assert it's dominance.
All the people claiming you can simply "overclock" the 5850 to 5870 levels- Explain to me how overclocking is going to magically make a card with 1440 stream processors (5850) perform at the level of a card with 1600 stream processors (5870), even if they are at the same clockspeed. You would actually have to clock it a bit above the clocks of the 5870 to match it's performance.
Lets be clear the 5850 is NOT a better OCer than a gtx 460. A 460 can be overclocked to reach over 40% more performance with stock cooling. The 5850 cannot on stock cooling.
What you should have said is a GTX 460 1gb overclocked to the max can reach 5850 1gb stock speeds. However the 5850 could overclock to go much higher than that, thus giving much more performance overall.
Sounds like - Stock for both, 5850 wins.
Overclocking for both 5850 wins.
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That is what I've settled on based on this thread.