Processor: A5 Dual Core Processor, up to 2x faster cpu, dual core graphics resulting in up to 7x faster graphics.
Battery Life: Improved battery life, 8 hours of talk time, 9 hours of Wi-Fi browsing, 6 hours of 3G browsing.
Faster Downloads: It’s technically still 3G, but it’s capable of speeds that rival 4G phones in real world comparisons, thanks to the improved antenna. 14.4Mbps downloads, and 5.8Mbps uploads. These are the same maximum data speeds for 4G phones like the HTC Inspire 4G and the Motorola Atrix
World Phone: CDMA and GSM built into the same device, for true global roaming.
Improved Camera: 8MP Sensor capable of macro shots, and 3264 x 2428 resolution photos. New hybrid IR filer, face detection, improved white balance, and faster photo time. In fact it heavily bests Android’s flagship Droid Bionic in this area. Just 1.1 seconds to the first photo, and half a second to the next.
Video: 1080p video recording, noise reduction, and image stabilization.