Purchasing advice - In a bind

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aneesh99

Junior Member
Apr 5, 2013
3
0
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Hey guys, I'm a new member so hi! :)

My Sapphire 7950 Dual-X recently blew (long story) but I managed to get it refunded because the old Dual X is discontinued. I picked up the new 7950 Flex (Boost) today, and was a little put off because the voltage is locked and after some tooling with GPU-Z and HWInfo, I realised that it doesn't have any VRM temperature sensors... :/

I was thinking of taking it back and replacing it with the new MSI TF3 Boost (I can get it with the Never Settle Reloaded stuff for 220), but I've read and heard that MSI's VRM cooling isn't so good and that the general quality can lack sometimes. Anyone care to offer opinion or alternatives? I'm based in the UK for informations sake,

Cheers,

Aneesh
 
MrK6

MrK6

Diamond Member
Aug 9, 2004
4,458
4
81
What voltage does it run at? If it's already at 1.25V or something you might not gain much moving to an unlocked model. That said, always get exactly what you want, as settling will give room for buyer's remorse to set in.
 
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futurefields

Diamond Member
Jun 2, 2012
6,470
32
91
how did you blow up your sapphire 7950? just curious because i have one coming and I wantto avoid doing what you did
 
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aneesh99

Junior Member
Apr 5, 2013
3
0
0
raghu78 said:
is this the card you got now. model no 11196-19-20G. custom PCB with no VRM temp sensors. but this card is supposed to have unlocked voltage. did you try to force constant voltage in msi afterburner. also did you try the second non boost BIOS.

http://www.overclockers.co.uk/showproduct.php?prodid=GX-313-SP
Click to expand...

Force constant did work (with Trixx, not Afterburner. I couldn't unlock voltage control for some convoluted reason with AB) but I didn't want to really force a constant voltage and have it run at whatever voltage constantly. Both BIOS presented the same issue.

futurefields said:
how did you blow up your sapphire 7950? just curious because i have one coming and I wantto avoid doing what you did
Click to expand...

Honestly, I'm not too sure, something electrical was wrong with it, I was getting mad fluctuations showing on GPU-Z for my VRM temps, 12V, VDDC and VDDC in. It wasn't even overclocked too much, I was running it at 1050/1400 @ 1.1V on the core. It's the third Sapphire card I've had issues with in the last 8 months, I've been through a 7870 that had the exact same issue, and a 7950 that had insane coil whine even when idling. I know some people have been bashing MSI's quality control but I've not had a good experience with Sapphire.

Just a slight update, I got a refund for the 3L and picked up a TFIII OC Boost. The ASIC is horrific (50.1) but it overclocks okay (1175/1575 @ 1.165 - core refuses to increase whatsoever, even with 1.3V). All in all, I'm quite happy. I do enjoy having a VRM temp sensor again :)
 
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