Hybrid CrossFireX Troubleshooting

Vjechev · Jan 20, 2010, 12:54 PM

As I searched the web and the official site i found that only you again can help me. My internal struggle is that I have M4A785TD-V EVO with the Hybrid CrossfireX support but see know that Radeon HD5870 came out i wanted to buy two and crossfire them but will it work as good as a certified CrossFireX Motherboard? If not is it worth to wait in the shadows and hit "F5" franticly until I can buy the HD5970 card at the estimated delivery times in the online stores? (Otherwise they're always sold too fast before I can bling in NewEgg for example)

iPlayer · Jan 20, 2010, 11:52 PM

Hybrid Crossfire refers to the ability to crossfire discrete graphics card with the igp.

The cards would run one with 16 data lanes and the other with 4x(this might bottleneck some) on that mobo. On a mobo that can do at 8x/8x or better: the 2x5870 are expected to do better, but it's quite a bit more expensive than buying the single 5970.

2x 5870 at 16x/4x config are probably about even with a single 5970, or slightly better still.

IvanV · Jan 21, 2010, 12:07 AM

From what I've read (product description, 785G specs on Wikipedia and this review), that motherboard cannot do CrossFire with two discrete cards, neither 8x + 8x nor 16x + 4x or anything else. This is a big surprise for me as, to my knowledge, until now, any ATI/AMD, or even Intel board with two long PCI-E slots was able to do CrossFire, but apparently the 785G chipset does not support it.

~~RE III - Frankie~~ · Jan 24, 2010, 10:33 AM

Wrong discussion thread must be moved..

Answer awaits different forum

Jan 20, 2010, 12:54 PM	#1
Vjechev HardwareHeaven Newbie Join Date: Jan 2010 Posts: 1 Rep Power: 0	Hybrid CrossFireX Troubleshooting As I searched the web and the official site i found that only you again can help me. My internal struggle is that I have M4A785TD-V EVO with the Hybrid CrossfireX support but see know that Radeon HD5870 came out i wanted to buy two and crossfire them but will it work as good as a certified CrossFireX Motherboard? If not is it worth to wait in the shadows and hit "F5" franticly until I can buy the HD5970 card at the estimated delivery times in the online stores? (Otherwise they're always sold too fast before I can bling in NewEgg for example)

Jan 20, 2010, 11:52 PM	#2
iPlayer Filled with noobsauce Join Date: Nov 2009 Location: between the buns Posts: 1,450 Rep Power: 59	Re: Hybrid CrossFireX Troubleshooting Hybrid Crossfire refers to the ability to crossfire discrete graphics card with the igp. The cards would run one with 16 data lanes and the other with 4x(this might bottleneck some) on that mobo. On a mobo that can do at 8x/8x or better: the 2x5870 are expected to do better, but it's quite a bit more expensive than buying the single 5970. 2x 5870 at 16x/4x config are probably about even with a single 5970, or slightly better still. Last edited by iPlayer; Jan 20, 2010 at 11:59 PM.

Jan 21, 2010, 12:07 AM	#3
IvanV HH Assassin Guild Member Join Date: Dec 2004 Posts: 5,912 Rep Power: 333 System Specs	Re: Hybrid CrossFireX Troubleshooting From what I've read (product description, 785G specs on Wikipedia and this review), that motherboard cannot do CrossFire with two discrete cards, neither 8x + 8x nor 16x + 4x or anything else. This is a big surprise for me as, to my knowledge, until now, any ATI/AMD, or even Intel board with two long PCI-E slots was able to do CrossFire, but apparently the 785G chipset does not support it. __________________ If anyone has Portal 2 and hasn't played the co-op and wants to do me a favour, let me know (PM me or whatever).

Jan 24, 2010, 10:33 AM	#4
~~RE III - Frankie~~ Banned Join Date: Jan 2009 Posts: 1,754 Rep Power: 0	Re: Hybrid CrossFireX Troubleshooting Wrong discussion thread must be moved.. Answer awaits different forum