Official Compatibility Chart for CrossfireX

OCOCOC · 7 Mar 2008 at 18:39

It was introduced along with the Cat 8.3 driver today.
Hope it would be helpful to all XfireX users

[I*G]http://game.amd.com/us-en/content/images/crossfirex/CF_combo_chart_Dec07.jpg[/IMG]

No hotlinking

Edit: I've changed the link, mod. Sorry about that! And I do think this chart is pretty helpful to most of ATI users here:

Darkwave · 7 Mar 2008 at 18:51

Nice, might add a 3870 to my 3870 X2 sometime down the line.

OCOCOC · 7 Mar 2008 at 18:54

Ulfhedjinn said:
Nice, might add a 3870 to my 3870 X2 sometime down the line.

Was it you asking for adding a 3870 to a 3870X2 in the earlier thread? Hope you enjoy doing so and put up some screenies later on to share the fun

Lightnix · 7 Mar 2008 at 18:55

2900 GT Crossfire support scheduled for Q2 2008

Huh... Didn't realise they weren't supported in CF yet.

Tom|Nbk · 7 Mar 2008 at 18:56

Such flexibility, Love it.

Darkwave · 7 Mar 2008 at 18:58

OCOCOC said:
Was it you asking for adding a 3870 to a 3870X2 in the earlier thread? Hope you enjoy doing so and put up some screenies later on to share the fun

I'm not sure if that was me I'm afraid, didn't really want to consider it until I saw official charts.

Tom|Nbk said:
Such flexibility, Love it.

Definitely.

OCOCOC · 7 Mar 2008 at 18:58

Lightnix said:
Huh... Didn't realise they weren't supported in CF yet.

It does support CF but not CFX according to my experience and the chart.
One of my friends are CFing 2x 2900XT in his rig and no gas heater needed during the winter

OCOCOC · 7 Mar 2008 at 19:04

Ulfhedjinn said:
I'm not sure if that was me I'm afraid, didn't really want to consider it until I saw official charts.

Definitely.

Then I have to congratulate you now!

I have a CF board as well but my second PCIE slot is only X4.
Do you think it would hold me back with 2x 3870?
(BTW, My case can't fit a 3870X2 I'm afraid, I'm gutted)

Tom|Nbk · 7 Mar 2008 at 19:06

I have to say ATi have really changed their public image recently, X2 and CFX is the saviour. My faith is being restored in them for sure, especially with the recent slip ups NV have made.

perox · 7 Mar 2008 at 19:17

I'm upgrading my PSU next week ready for CrossfireX.

Darkwave · 7 Mar 2008 at 19:23

OCOCOC said:
I have a CF board as well but my second PCIE slot is only X4.

Do you think it would hold me back with 2x 3870?

I've heard you get a 15% performance hit in 4x slot, so not much at all really.

OCOCOC · 7 Mar 2008 at 19:33

Ulfhedjinn said:
I've heard you get a 15% performance hit in 4x slot, so not much at all really.

Thanks for the info! 15% is a lot for a user like me, but I'll have a try

Mud · 7 Mar 2008 at 20:31

Tom|Nbk said:
I have to say ATi have really changed their public image recently, X2 and CFX is the saviour. My faith is being restored in them for sure, especially with the recent slip ups NV have made.

My thoughts exactly...broke my run of V9999GE->6800GT->7800GS+->7950GT->8800GTX->8800GTS

uvarvu · 7 Mar 2008 at 21:25

Ulfhedjinn said:
Nice, might add a 3870 to my 3870 X2 sometime down the line.

Ditto. I'll need a new motherboard though and that's one with a PCI X slot for my SCSI card. Only such board that I like so far is the P5E WS Pro (I currently have a P5K WS).

I hope Asus continue their workstation lines with P45/X48, my P5K WS has been amazingly solid so far.

bidermaier · 7 Mar 2008 at 21:39

thanks god the 3870x2 is sold out right now. temptations...

pieman109 · 7 Mar 2008 at 22:08

Well I keep blowing hot and cold about this XfireX malarky, but curiosity is probably gonna get the better of me and I reckon that after the weekend I might just pick up a 3870XT and give it a whirl. Besides, if it don't work or cant justify it, I can always sell the second card.
I am so.....tempted.

andyr · 7 Mar 2008 at 23:02

Does that mean you don need a bridge for two 3870x2's

OCOCOC · 7 Mar 2008 at 23:27

andyr said:
Does that mean you don need a bridge for two 3870x2's

Certainly, all ATI high-end cards need the physical bridge for transferring data between the 2 cards IN CF setup because PCIE channel can not handle it well.

Only low-end cards can be fed by the PCIE

OCOCOC · 10 Mar 2008 at 12:22

BaNdy, I bump this up for you

Edit: Sorry, just realise it has been blocked by the mod.

ACESHIGH · 10 Mar 2008 at 13:13

OCOCOC said:
Certainly, all ATI high-end cards need the physical bridge for transferring data between the 2 cards IN CF setup because PCIE channel can not handle it well.

Only low-end cards can be fed by the PCIE

Which is why i always thought it would be a good idea if ATI added a physical crossfire connection at the bottom of the boards themselves just past the PCIE lanes (so you dont need the top crossifre bridge).