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Old 11-27-2007, 06:58 PM   #1 (permalink)
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Default 3870CF Vs. 8800GT SLi

SLi Vs. Crossfire Performance





Dual Vs. Single Card





And there it is... everything you dual card owners and future owners wanted to know! took me forever to find these.. but i found em!

Sources:
���拼�HD3870 CF vs 8800GT SLI - 评测报告 - 超能网
Expreview.com - Extra Hardware News Report! » Blog Archive » [Comparison]HD 3870 Crossfire vs 8800GT SLI


Look at the dual vs single 8800gt.. sli is not at all impressive... as for crossfire!! HOTDOG THATS AMAZING!!! in one test it got over 100%!!!
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Old 11-27-2007, 07:35 PM   #2 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

Shwow. I think my next rig will be a crossfire setup indeed. Either that, or I upgrade to a new mobo (perhaps x38?) and buy a pair of 3870's this summer.

But that's just incredible, in a lot of the tests it got close to 100% increase in performance, and like you said, there was one where it got over 100% (1600 x 1200 4xAA 16xAF).
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Old 11-27-2007, 07:37 PM   #3 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

Quote:
Originally Posted by Blitersety View Post
Shwow. I think my next rig will be a crossfire setup indeed. Either that, or I upgrade to a new mobo (perhaps x38?) and buy a pair of 3870's this summer.

But that's just incredible, in a lot of the tests it got close to 100% increase in performance, and like you said, there was one where it got over 100% (1600 x 1200 4xAA 16xAF).
no joke... once i see some killer dual core gpu's maybe thats when i'll step in and buy ati cards again...
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Old 11-28-2007, 01:34 AM   #4 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

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no joke... once i see some killer dual core gpu's maybe thats when i'll step in and buy ati cards again...
2 HD 3870 x2s in crossfire :O
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Old 11-28-2007, 06:55 AM   #5 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

That's very interesting stuff.
So basically, Crossfire scales significantly better than SLI does.

A single 8800 GT will outperform a HD 3870, but when you crossfire/SLI them, they're roughly even.
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Old 11-28-2007, 12:34 PM   #6 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

I think i'm going to jump on the best buy deal for 3870s and get an x38 board. God im such a techslut.

hmm
Newegg.com - ABIT IX38 Quad GT LGA 775 Intel X38 ATX Intel Motherboard - Retail
+
VisionTek - ATI RADEON HD3870 Graphics Card - 900202
=
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Old 11-28-2007, 04:56 PM   #7 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

There's also a HD 3850 512MB version
|- Welcome to the PowerColor World -|

which is interesting as far as performance goes.
Single card vs single card, the 3850 512MB will perform between that of an 8800 GTS, and an 8800 GT
Graphics :: PowerColor Radeon HD 3850 Xtreme 512MB :: www.hardwarezone.com.au Reviews ::

But they're also cheaper than an 8800 GT.
And in crossfire vs SLI, the performance will be roughly the same

Basically, the 8800 GT will perform better if you're using it as a single card.
Though I am liking the crossfire option, considering the cards are not expensive.

You know what? I might even consider a complete AMD Spider platform.
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Old 11-28-2007, 05:17 PM   #8 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

CF ftw...

i hope ATi makes some better drivers for the HD3850 tho..
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Old 11-28-2007, 05:18 PM   #9 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

Quote:
Originally Posted by Apokalipse View Post

A single 8800 GT will outperform a HD 3870, but when you crossfire/SLI them, they're roughly even.
The 8800GT SLI setup is almost -10% slower than the HD 3870CF setup.

(I took the total of the % values and divided by 15 for the SLI/CF numbers.)

Way to go boys!
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Old 11-28-2007, 05:18 PM   #10 (permalink)
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Default Re: 3870CF Vs. 8800GT SLi

Quote:
Originally Posted by Apokalipse View Post
There's also a HD 3850 512MB version
|- Welcome to the PowerColor World -|

which is interesting as far as performance goes.
Single card vs single card, the 3850 512MB will perform between that of an 8800 GTS, and an 8800 GT
Graphics :: PowerColor Radeon HD 3850 Xtreme 512MB :: www.hardwarezone.com.au Reviews ::

But the one you posted is the an Xtreme version which have an overclocked clock speed and memory speed.

HD3850 with stock speeds performs slower than even 8800GTS 320MB
AMD's Radeon HD 3850 and 3870 graphics cards - The Tech Report - Page 5
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