Need good graphics card benchmark

[victor]

There are plenty of these programs, so I want to know which one is best.

I just bought an Ati HD 4850 512 MB card to supplement the one I already have, and run Crossfire. However, I'd like to do a before/after performance check before installing the card. I guess 3DMark is good? What's the difference between versions?

I'd like to know how to run the most complete test, as well.

 

[Xellos]

Furmark is good and simple to use, also great as a stability test. not to mention it's free. http://www.ozone3d.net/benchmarks/fur/

 

[victor]

Do I need two crossfire bridges for the Hd 4850?? Please answer fast, as I'm about to order a second one (can't find the first one that came with my first card).

 

[Xellos]

it probably would work (the case of tri or quad fire where each card is connected to 2 other by one bridge each http://www.hardspell.com/pic/article/2007/11/19/small/842ea235-3a7b-49da-9ebb-9bcf302896ac.jpg) but with crippled bandwidth. Not 100% sure though

edit: http://www.tomshardware.co.uk/forum/251878-15-crossfire-bridges => 1 bridge is enough

 

[Phil the Nuka-Cola Dude]

Furmark is awesome for cooking your GPU and finding out how good (or bad) your maximum temps are; but I recommend 3dmark vantage for actual benchmarking.

 

[Aphyosis]

Do I need two crossfire bridges for the Hd 4850?? Please answer fast, as I'm about to order a second one (can't find the first one that came with my first card).

Nah, the second bridge is for Quad or Trifire. Crossfire is just the one