Radeon HD 5750 & HD 5450 Graphics Cards

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ATI Radeon HD 5750 & HD 5450

February 4, 2009 by Lawrence Lee

PCI-E Graphics Card
ATI Radeon HD 5450 512MB
PCI-E Graphics Card
Street Price

We'll be looking at graphics cards from the lower rungs of the ATI's Radeon HD 5000 family today. While the HD 5850, 5870, and 5970 have made a big splash in the gaming world, few users actually need the amount of horsepower these cards can deliver. Fewer still are willing to invest $300+ in the name of PC gaming. It is the budget models of most video card lines that typically see the highest adoption rate, with the $100~$200 price-point usually being home to the best value per dollar cards. The HD 5750 may be one of them.

Then there are those of us who play only older titles, don't game at all, or simply want a capable card for playing high definition media. For these users, the newly released HD 5450 may be just what the doctor ordered. It likely performs poorly in 3D, but if it has all the inherent benefits of the HD 5000 series, it doesn't really matter. The promise of bitstreaming high definition audio and triple display setup could make this a very popular card indeed, given its low $50 price-tag.


The box.

Our HD 5750 sample comes courtesy of Asus in the form of the EAH5750 Formula, which retails for about $140. The most compelling aspect of the card its unique heatsink design. Asus claims it runs 13% cooler than the reference HD 5750 heatsink thanks to its "aerodynamic cover design" and the extra ridges on the heatsink fins. The latter feature makes sense as it increases the heatsink's overall surface area, but we're skeptical on whether the funny-looking race car cover is any better than the standard fare.

Heatsink design notes.

Accessories include a CrossFire bridge, 6-pin power and HDMI to DVI adapters.

Technical specifications according to GPU-Z.

From a technical standpoint the HD 5750 is a fair match for the HD 4850. The 4850 has a wider memory bus (256-bit vs. 128-bit) and 80 more shaders. To make up for this, the 5750 sports a slightly higher clocked graphics core and faster GDDR5 memory. Our sample shipped with Samsung memory chips rated for 1250MHz, so there may be some overclocking headroom. Horsepower aside, energy efficiency may be equally important as a mid-level graphics card may spend more time idle in a casual gamer's machine. If the power savings are anything like that of the HD 5850, which outperforms both the 4870 and 4890 yet draws much less power when idle, it could make a substantial impact on overall system power consumption.

Specifications: Asus EAH5750 FORMULA/2DI/1GD5
(from the product web page)
Graphics Engine ATI Radeon HD 5750
Video& Color Engine ASUS Splendid HD
Bus Standard PCI Express 2.1
Video Memory GDDR5 1G
Engine Clock 700 MHz
Memory Clock 4.6 GHz ( 1150 MHz DDR5 )
Memory Interface 128-bit
CRT Max Resolution 2048 x 1536
DVI Max Resolution 2560 x 1600
D-Sub Output Yes x 1
DVI Output Yes x 2 (via HDMI to DVI adapter x 1)
HDMI Output Yes x 1
HDCP Support Yes
Adapter/Cable Bundled 1 x CrossFire cable
1 x Power cable
1 x HDMI to DVI adaptor
Software Bundled ASUS Utilities & Driver
ASUS Features Xtreme Design
Formula Series
Note The card size is 7.18 inches x 4.65 inches

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