Radeon X1600 Family

Architecture

Radeon X1600 family is the new mid-range family from ATI, but it will only arrive the market on the last day of November – so you won’t see these video card before december!

Radeon X1600 family architecture can be seen on Figure 6.

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Figure 6: Radeon X1600 family architecture.

In summary it has:

• 12 pixel shaders processors;
• 5 vertex shaders processors;
• 4 texture units;
• 4 render back-end units;
• 8 z compare units.

Like Radeon X1800, Radeon X1600 series also uses the new ring bus memory controller. However, instead of using two 256-bit datapaths like on Radeon X1800 series, it uses two 128-bit datapaths.

Models

Two Radeon X1600 models were announced: Radeon X1600 XT and Radeon X1600 Pro. The main features of these two chips you can check on the table below.

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Figure 7: Radeon X1600 XT.

Model	Clock	Memory Clock	Suggested Price	Availability
Radeon X1600 XT	590 MHz	1.38 GHz	USD 199 (128 MB) and USD 249 (256 MB)	Nov 30th, 2005
Radeon X1600 Pro	500 MHz	780 MHz	USD 149 (128 MB) and USD 199 (256 MB)	Nov 30th, 2005

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