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AMD Radeon HD 6450 Graphics Card Review

by Stuart Davidson - 7th April 2011
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AMD Radeon HD 6450 Graphics Card Review

The AMD Radeon HD 6450 Graphics Card

AMD's 6450 is a £50/$55 part and the reference sample uses a low profile PCB and attached to the front is their own cooler, a single slot copper design with low noise fan. The cooler works on the GPU and memory of the card and turning it round we can see that there are additional Samsung chips on the back which have no active cooling.

Turning the card round to look at the outputs we see that AMD have gone with DisplayPort, VGA and DVI. The 6450 supports Eyefinity (3 screen) and it is worth nothing that this card requires no additional power connector. The PCIe slot supplies its 27w at load (9w idle).

In terms of the detailed specifications on the 40nm "Caicos" GPU we have a card with 160 stream processors, 8 texture units, 4 ROPS and the GPU via a 64-bit bus has access to 512MB of GDDR5 memory (1GB DDR3 models also available). The card fully supports PCIe 2.1, DirectX 11 and DirectCompute along with acceleration of high definition content. AMD's usual video enhancements such as noise reduction and colour vibrancy are available and we can also output audio over HDMI (via a dongle) if required. Finally the option is available to connect this card to a 3D display for stereoscopic gaming, movies and pictures.

AMD clock their GPU at 750MHz with memory running at 900MHz (3.6GHz) which combined with the specifications above gives us a 3DMark 11 score of P721.

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