Sapphire Blizzard X1900 XTX water-cooled graphics card review
The Register reviews the Sapphire Blizzard X1900 XTX water-cooled graphics card. In the face-off between a regular ATI X1900 XTX and the similarly-endowed NVIDIA 7900 GTX, the ATI seems to lose the efficiency battle because of extreme heating up.
An X1900 graphics card draws about 150W from your power supply almost all of which ends up dissipated as heat … [In contrast,] a 7900 GTX has to shed but we’d estimate that it’s about 50W - half that of an X1900
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Deciding whether you should buy a Radeon X1900 or a GeForce 7900 GTX is a tough decision, but on balance we would favour the Nvidia card because it’s quieter and has better drivers. Blizzard changes that and means that we now vote for the X1900 provided you have no plans to run more than one graphics card inside your gaming PC.
We’re in an era where watercooling does not only pertain to auto engines, but computer peripherals as well. When the fight comes to performance, it pays to stay cool, because heat generated usually means inefficiency in the way a device uses energy. So if a graphics card requires that much cooling, then it means it’s probably not using the power it sucks in from your power supply efficiently–most of it goes not to the display output but lost. Better cooling helps out, and if you’re in it for the raw power, then go for the water-cooled X1900.
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