iPhone 4 and iPhone 4S comparison

	iPhone 4	iPhone 4S
Dimensions	4.5 inches tall by 2.3 inches wide by 0.37 inch thick; 4.8 ounces	4.5 inches tall by 2.3 inches wide by 0.37 inch thick; 4.9 ounces
Display	3.5-inch, 960x640-pixel Retina display	3.5-inch, 960x640-pixel Retina display
Camera	5-megapixel camera with LED flash, 720p HD video recording at 30fps; front-facing VGA camera	8-megapixel camera with LED flash, 1080p HD video recording at 30fps, auto focus, face detection; front-facing VGA camera
Connectivity	Bluetooth 2.1; Wi-Fi (802.11b/g/n); GSM/UMTS/HSDPA/HSUPA; CDMA/EV-DO Rev. A	Bluetooth 4.0; Wi-Fi (802.11b/g/n); dual-mode world phone; GSM/UMTS/HSDPA/HSUPA; HSPA+; CDMA/EV-DO Rev. A
Processor	1GHz ARM Cortex-A8	Dual-core 1GHz A5 processor with dual-core graphics
Capacity	8GB, 16GB, 32GB	16GB, 32GB, 64GB
Location	Assisted GPS, digital compass, Wi-Fi, cellular	Assisted GPS, digital compass, Wi-Fi, cellular
Sensors	Three-axis gyro, accelerometer, proximity sensor, ambient light sensor	Three-axis gyro, accelerometer, proximity sensor, ambient light sensor
Battery life	7 hours of talk time on 3G, 12.5 days of standby time; 40 hours audio playback; 10 hours video playback; 6 hours (3G)/10 hours (Wi-Fi) Internet use	8 hours of talk time over 3G, 14 hours over 2G, 40 hours audio playback, 10 hours video playback, 6 hours (3G)/9 hours (Wi-Fi)
Carrier	AT&T, Verizon	AT&T, Verizon, Sprint
Pricing	$99 for 8GB, $199.99 for 16GB, $299.99 for 32GB	$199 for 16GB, $299 for 32GB, $399 for 32GB
Colors	Black, white	Black, white