i know this is a dumb question and probley old but what type of GPU ( graphics processor ) does the iphone 3g use ?
PowerVR MBX Lite, like many other phones, including the later RAZR models.
Qualcomm GPU and other hardware assists (some of which are obviously not used - e.g. video conferencing):
G P U
Advanced 2D/3D graphics support with up to 4 million 3D triangles per second,
and 133 million 3D textured pixels per second fill rate
• Q3Dimension™ rendering engine with OpenGL® ES-compliant 3D graphics
• Supported by leading third-party game titles
• Dedicated hardware accelerating the entire 3D rendering process
• Up to Video Graphics Array (VGA) resolution
V I D E O
• High-performance video player powers broadcast video, streaming video- and audio-on-demand plus video messaging at 30 fps VGA
• Video Codecs: MPEG-4, H.263, H.264, Windows Media® and RealNetworks®
• Audio Codecs: QCELP®, EVRC, AMR-NB, AMR-WB/+, AAC, aacPlus™ and Enhanced aacPlus, Windows Media and RealNetworks Qvideophone™ Video Conferencing Application
• Two-way mobile videoconferencing solution that delivers 15 fps quality
• 3GPP/2 standards compliant
• Video Codecs: MPEG-4 and H.263
• Audio Codecs: AMR-NB, EVRC and 4GV Qcamcorder™ Encoder
• A real-time wireless video recording solution that captures movies at 30 fps VGA
• 3GPP/2 standards compliant
• Video Codecs: MPEG-4, H.263 and H.264
• Audio Codecs: AMR-NB, EVRC, QCELP and AAC