iXBT Labs - Computer Hardware in Detail






ATI RADEON HD 5750/5770 1024MB

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HD 5770 cards come with identical reference coolers, so we'll examine one of them as an example.


A simple cooler: a central oval plate heatsink with a large slow fan in the middle. This cooling system is almost noiseless.

Sapphire RADEON HD 5750MB 1024MB

A similar device that only differs in blade design. Blades are both decorative and functional, directing hot air along the card and out of PC enclosure. This cooler is also nearly noiseless.

MSI RADEON HD 5770 (R5770) 1024MB

The cooling system is not principally different from what we saw in the RADEON HD 5870. Only the heatsink is smaller here. It's a turbine-type cooler that drives air through the heatsink inside a long plastic housing with a turbine installed at one end. Hot air is ejected out of a system unit, so the card with its cooling system takes up two slots. It's almost noiseless. It becomes noisy only at startup for a couple of seconds.

We repeat that only half of the memory chips are cooled. It really makes no sense to us.

As usually, we monitored card temperatures with RivaTuner.

All RADEON HD 5770 1024MB cards

All RADEON HD 5750 1024MB cards

All cooling systems apparently cope with their task well.

We should also mention the Afterburner utility from MSI. It's based on RivaTuner, but has custom stylish design. But it does essentially the same: adjusts operating frequencies, monitors temperatures/clock rates/fan rotation speed, controls the fan, etc.

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