AMD Radeon HD 6570 512 MB Video Card Review

The AMD Radeon HD 6570 (Cont’d)

In Figure 4, you can see the video card with its cooler removed. It uses only solid capacitors and ferrite-core coils (which make the regulator present higher efficiency because they present lower energy loss than iron-core coils). The voltage regulator circuit has one phase for the graphics chip and one phase for the memory chips, which is a low-end configuration.

Figure 4: Video card with the cooler removed

The GPU heatsink can be seen in Figures 5 and 6. It has a copper base, aluminum fins, and a 50 mm fan.

Figure 5: The GPU heatsink

Figure 6: The GPU heatsink

The Radeon HD 6570 reference model uses four 1 Gbit GDDR5 memory chips, making its 512 MB memory (1 Gbit x 4 = 512 MB). The chips used are H5GQ1H24AFR-T0C parts from Hynix, which support up to 2 GHz (4 GHz DDR), and since this video card memory is also accessed at 2 GHz (4 GHz DDR), there is no margin for you to increase the memory clock rate while keeping the chips inside the maximum they support. Of course, you can always try to overclock the memory chips above their specs.

Figure 7: Memory chips

Before seeing the performance results, let’s recap the main features of this video card.