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ASUS Radeon HD 4890 Voltage Tweak Graphics Card - The Card

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Jul 1, 2009 7:20 am
TweakTown Rating: 92%Manufacturer: ASUS

The Card


With the package done it's time to check out the card and straight away we can see that there isn't really any difference as far as overall looks go when comparing it to other HD 4890 cards we've looked at which use the reference design.


ASUS HD 4890 Voltage Tweak Graphics Card


With that said, though, ASUS has of course added their own sticker to the card to let it stand out from other HD 4890 offerings. We can see the ASUS logo on the sticker and in the center of the fan; we also see a picture of the knight that we saw on the front of the box.


ASUS HD 4890 Voltage Tweak Graphics Card


ASUS HD 4890 Voltage Tweak Graphics Card


As we've suggested, the card follows the reference design, so looking around we don't see anything too out of the ordinary. Towards the rear of the card we have two 6-pin PCI-E power connectors, while across the top of the card and closer to the front we have our two CrossFire connectors which give us the ability to run up to three cards.


ASUS HD 4890 Voltage Tweak Graphics Card


Finally we finish up in the I/O department. Here we have two Dual-Link DVI connectors with a S-Video port sitting in the middle. Above these we have a bunch of vents, which with the cooler design this helps push the hot air out the back of your case.




Out of the box the ASUS HD 4890 Voltage Tweak actually carries with it just reference clocks. This puts the core at 850MHz and the 1GB of GDDR5 memory at 975MHz or 3900MHz QDR. With the Voltage Tweak software installed we took the time to do a bit of overclocking to see what we could achieve.


ASUS HD 4890 Voltage Tweak Graphics Card


We moved the core voltage to 1.437v which is up from the stock 1.312v; we then cranked the core up to the highest possible setting which was 1000MHz and then proceeded to spend a bit of time working on the memory. We ended up at 1111MHz or 4444MHz QDR which is a nice jump on the default clocks.


How this translates to performance, we don't know yet. So, let's jump forward to the next page, have a look at our test system and get stuck into the benchmarks to see not only how much extra performance these new settings give us, but what the extra voltage does for the system wattage and cards temperature.


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