Apple's iPad Air and iPad mini 2 Summary

iPad Air

• 9.7-inch Retina display
• 7.5mm thin, 20% thinner than other model
• 1 pound down from 1.4 pounds
• A7 chip inside with M7 chip
• 8x faster performance, 72x faster graphics performance than iPad
• 2x faster at opening files
• Faster WiFi with MIMO for 2x faster 802.11n
• 5MP iSight camera
• 1080p HD video
• New FasceTime HD camera with larger pixels
• Improved backside illumination
• Dual microphones
• 10-hour battery life
• Starts at $499 for 16GB, cellular for $629

iPad mini 2

• 7.9-inch Retina display(2048*1536 pixels, same as the big iPad)
• A7 chip inside with M7 chip
• 4x faster on CPU, 8x faster grphics than previous model
• 10-hour battery life
• 2x faster Wi-Fi, LTE support
• 5MP iSight camera
• 1080p FaceTime camera
• Starts at $499 with Wi-Fi, cellular for $529

Reference

• The Verge