ASUS EAH5850 TOP, Gigabyte GV-R575SL-1GI, MSI R5770 HAWK Graphics Cards
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Cooling
| ASUS EAH5850 TOP |
Except for the cover, this is a familiar design that features a heatsink with a copper base and heatpipes, and a large slow fan in the center. Only the core is cooled, memory chips are not. The device is very quiet. |
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| Gigabyte GV-R575SL-1GI |
As the model name implies, this is a passive cooler (without a fan). Since passive cooling is possible with ATI Radeon HD 5750 cards, these solutions are truly noiseless. The cooler has a large heatsink with a copper base and heatpipes. Only the core is cooled. Since the heatsink has to be quite large, the card is requires two slots. |
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| MSI R5770 HAWK |
You are probably already familiar with the TwinFrozr cooler that MSI has been using for quite some time, perfecting it with every new solution. This cooler also cools only the core and has a heatsink with heatpites. However, there are two slow hence very quiet fans. Tools provided by MSI allow you to adjust fan speed as well as core clock rate and voltage. |
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Traditionally, we monitored temperatures using EVGA Precision (based on RivaTuner).
ASUS EAH5850 TOP
Gigabyte GV-R575SL-1GI
MSI R5770 HAWK
Despite being overclocked (just slightly though), the two cards with active coolers are regularly warm. However, Gigabyte GV-R575SL-1GI is too hot for its class. While 88°C is probably not too much for today's solutions, don't forget that the card is passively cooled. Meaning that hot air will eventually get to CPU. This isn't good, but it's not critical either.
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