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Upgrade? 4870, 4890, or even 5870.... already have 2 4870's in Xfire.

Last response: in Graphics & Displays
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March 15, 2010 5:09:51 PM

System Specs:

CPU: Intel Core I7 940 overclocked 3.5 (Daily use)
Motherboard: Gigabyte GA-EX58-UD5
Video Cards: 2 X Sapphire Radeon HD 4870 (One is Vapor X and other is Orig.)
Heatsink Fan: Noctua NH-U12P 2/Fan 1366 Air Cooler
Memory: 6GB OCZ Platinum 1600 7-7-7-24-1 Daily at 1360 MHZ at 6-6-6-18-1
Power Supply: Corsair 750W Upgrading to 1000W
Case: Thermaltake Spedo Advanced Package with extra fans customized.
Monitor: 30in Asus 2ms Widescreen

I want to know that if I upgrade to the 5870 and make it the main video card will it benefit crossfiring them together. (5870 & 4870) I also want to make sure that with this setup it will be possible for me to accomplish this task.
March 15, 2010 5:55:14 PM

I don't think u can Crossfire a 4870 and a 5870...

Also, a single 5870 is exactly 2 4870's, which u already have. There will be absolutely no difference in gaming performance.

However, if you intended to buy a 5870, i suggest you sell the 2 4870's and add the additional income to the 5870 budget, and get a 5970.

Although, unless you're playing at 2560x1600, there will be very little difference at Full HD Resolution (1920x1080) between a 5870 and a 5970, unless u wanna play Crysis...

I recommend you keep the 2 4870's till the next GPU Generation comes out... end of this year or sometime next year, and only IF there will b a substantial performance benefit in upgrading.

Gd luck.

Peace.
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March 15, 2010 6:14:36 PM

+1 on getting a 5970. Sell you current cards...
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March 15, 2010 6:20:24 PM

You cannot crossfire a 4870 with a 5870. they have to be in the same family- 5870/5850/5830 or 5770/5750 or 4890/4870/4850/4830. a 5870 is also very similar performance-wise to what you have (your 4870's would actually beat a 5870 is many benchmarks). If you want BETTER performance, you are going to have to either crossfire 5850s or 5870s, or get a 5970. I would sell your current cards and join the others in saying you should go for a 5970. Its the best single-card available and the best upgrade for you right now, and then you can double up on them later (assuming your PSU is enough for that).
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March 15, 2010 6:20:48 PM

Maybe I should wait to see what NVIDIA has up there sleeve or wait to ATI to create the next gen of cards and go from there. I think my 2 4870 plays pretty much every game on high settings. I'm really wanting to upgrade to 12 gbs of RAM and 2 SSD's in a RAID 0 Array. I'm just a little low on cash waiting for my income tax and my college refund and maybe I'll buy a little something for my "Baby!"
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March 15, 2010 6:26:58 PM

haha- not a bad idea to wait a little. Fermi should launch in a couple weeks, and if nothing else, the prices will hopefully drop a bit, and Possibly, ATI will release something to counter it, or something. Who knows- but with the fermi release as close as it is, probably worth the wait. I doubt Fermi will be worth whatever they're charging for it, but hopefully the 5970 or 2x5850 prices will be a little bit better (or even the 5890 or something will show:-)
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March 15, 2010 11:39:50 PM

itsfred2007 said:
Maybe I should wait to see what NVIDIA has up there sleeve or wait to ATI to create the next gen of cards and go from there. I think my 2 4870 plays pretty much every game on high settings. I'm really wanting to upgrade to 12 gbs of RAM and 2 SSD's in a RAID 0 Array. I'm just a little low on cash waiting for my income tax and my college refund and maybe I'll buy a little something for my "Baby!"


Maybe buy a 4870 X2 of ebay for Quadfire?

Also, 4870 Cf faster than 5870.
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March 15, 2010 11:44:33 PM

justkeep what you have and save your money... you are just looking to spend money on a perfectly good system. Get a new monitor or something?
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