ATI Accelerates Physics At Computex
Our reporters visited the stand of ATI that yesterday officially introduced physics acceleration by its graphics cards. The company demonstrated the benefits of this approach comparing to dedicated PPUs (e.g., Ageia PhysX).
They claimed even Radeon X1600XT could provide twice as higher acceleration potential, while the top-end X1900XT could increase it by 9 times. Note that these values were seemingly obtained by simple multiplication of graphics card clock rate, bandwidth, etc. advantages over PPUs. Therefore they didn't indicate the actual performance advantage.
As a proof ATI played the scene with 1505 objects on a machine based on Intel Pentium XE 965 (3.73GHz), RD600 + SB600 motherboard and CrossFired Radeon X1900XT cards. They ran it with just software physics acceleration and with the additional Radeon X1600XT dedicated to this matter. In the former case they achieved 7 fps, while in the latter case the result was 45 fps already.
Of course, the benchmark was optimized but the result is surely impressive anyway. The first game based on Havok FX physics engine supporting ATI's hardware physics acceleration is expected in Q4'06 alongside with necessary drivers.
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