Second 7770 not right in crossfireX

Hi guys i looked at the info on GPUZ today and found that my second asus 7770 is not the same has the first one i would like to know if this is a problem or not

please see photos

this is my first gpu
http://i1227.photobucket.com/albums/ee437/racer118/firstgpu.gif

this is my second one
http://i1227.photobucket.com/albums/ee437/racer118/secondgpu.gif

it the bus width and bandwidth that is worng or is what it like in croosfireX

im all up to date with drivers and windows that the first thing i checked

i swap the gpu over so my second one is now my first and ect..

i checked all the connectors

any help on this would be great has i dont know much about crossfire

my specs
fx 4170 oc @ 4.4GHZ
8 gb ddr3 kingston ram KHX1600C9D3K2/8G
powercool 750 watts 80 plus
asrock 990fx extreme 3 m/b
2x asus radeon hd 7770 DC-1GD5-V2
Hitachi HDS721050DLE630 500 gb
philips 221v @ 1920 x 1080
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  1. i have this exact problem with my cards im thinking its down to power saving features ive owned a few xfire rigs in total and never had it but ive recently updated to the 7 series my self after buying my 2nd card i noticed in CCC and msi afterburner i was gettin no temperature readings and also the bus interface thing u were on about in gpuz i also pulled my rig apart switched 1st and second cards around but to no avail it still does it .Doesnt affect x fire cause as soon as i strt a game the 2nd card kiks in and reports temps and a 2.0 bus interface needless to say i think its the power saving features on the card effectivly down clocking the card/cards to save on power

    my specs are as follows

    amd phenom II 965 @ 3.4ghz
    8gbddr2 800 geil black dragon dual channel
    samsung spinpoint f3 1tb hdd
    thermaltake toughpower 750 watt
    2x sapphire radeon 7770 ghz edtion
    bitfenix survivor W 2 20cm fans
    coolit domino alc liquid cpu cooler
    samsung syncmaster 226 BW 22inch widescreen 1680x1050

    thats all i can think of it being but if anybody else knows somthing i dont then feel free to add it
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