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[SOLVED] CrossfireX - ATI Radeon 4300/4500 with Radeon HD 6770?

Last response: in Graphics & Displays
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May 20, 2012 11:47:29 PM

I recently purchased all new components to build my first, very own, gaming computer.

For reference, here is a quick list of what will be in the rig just to give a general picture of what I am going for.

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Processor: AMD Phenom II X4 965 Black Edition Deneb 3.4GHz Socket AM3 125W Quad-Core Processor HDZ965FBGMBOX

Mobo: ASUS M5A88-V EVO AM3+ AMD 880G SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard

PSU: RAIDMAX HYBRID 2 RX-630SS 630W ATX12V V2.2/ EPS12V SLI Ready CrossFire Ready Modular Power Supply

RAM: G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBRL

HDD: Western Digital Caviar Blue WD5000AAKX 500GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

GFX: XFX HD-677X-ZNFC Radeon HD 6770 1GB 128-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card

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With that, to the best of my knowledge, everything there allows me to support crossfirex if I would like to utilize it. This was a benefit for me because if in the future I saw a need for it, I could do it.

But here is my question, along with the graphics card I just purchased, would I be able to use an HD 4300/4500 to crossfire with it right now? I ask this because my old Rig has the 4300 card in it, and I could strip it from there to use in the new one if it would benefit.

So the gist of my question is...

1. Can a 2nd gen graphics card (HD 4300/4500) be paired with a 3rd gen card (HD 6770)?
2. If it can, would it benefit my experience in games, such as WoW, Guild Wars 2, Crysis 2, ect...?

Thanks for reading and look forward to your answers!

Best solution

May 21, 2012 12:03:34 AM
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Short answer is no, the new card will step down to match the slower card theoretically. Practically speaking, this sounds like a situation for frequent crashes.

Crossfire requires two matching cards, right down to timings and voltage settings for sucessful operation. Run the new card by itself
May 21, 2012 12:03:45 AM

Read the FAQ about crossfire x and answered my own question :p 
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May 21, 2012 12:04:16 AM

Best answer selected by DTTHOM.
May 21, 2012 12:04:34 AM

Traildriver said:
Short answer is no, the new card will step down to match the slower card theoretically. Practically speaking, this sounds like a situation for frequent crashes.

Crossfire requires two matching cards, right down to timings and voltage settings for sucessful operation. Run the new card by itself


Thank you for the advice!
May 21, 2012 12:08:56 AM

DTTHOM said:
Thank you for the advice!


No prob.
!