That changes if you throw down even more money on a 5760 x 1080 triple-display rig, in which case NVIDIA takes the lead in some games, but loses in others -- leaving the two rivals closer than the single-card reviews we looked at yesterday.
The X-5's triple Shake Reduction (SR) system couples the PENTAX-developed mechanical sensor-shift-type SR mechanism with a digital SR mode for stills or movie SR mode for video to more effectively compensate for camera shake.