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For anyone interested, I've posted some preliminary over & under-clocking findings here:
http://forums.whirlpool.net.au/forum-replies.cfm?t=1037509&p=2 (user socrates09 there :))
Highlights: 250/500 core/mem clocks work a treat, no display probs even in brief 3D benches and 45C idle @ 0%...
Now I have my card so I can give a first hand impression...
* The HIS IceQ4 4850 Turbo is effectively silent during system boot/startup, and in idle mode in Windows XP.
Next to my other relatively quiet components (CPU and DVD drive) it was difficult to distinguish any noise coming from...
Fantastic, thanks for your reply... I'll pick up my card today!
The first thing I'll do is change the voltage & underclock settings for idle/2d mode... makes up to 45W difference on 4870 so probably good gains for 4850 too (and without flickering caused by GDDR5 memory issue, I think GDDR3...
I'm pretty sure it is standard GDDR3 rated at 1.0ns (i.e. 1,000MHz -> 2,000 effective rate), otherwise why not up the memory speed... this is the main bottleneck for the 4850 after all! I had a good link comparing increase in core clock to increase in memory clock (can't find it now tho!), and...
EvilAlchemist: thanks for the info about the noise, just what I wanted to know before purchasing this card!
One question: does it make any noticeable noise when booting up the system?
I don't mind a brief whirring, but I had a Palit 9600GT Sonic that sounded like a blow dryer for a good...