iPhone 4S | iPhone 4 |
| Price (on contract) | $199 16GB, $299 32GB, $399 64GB | $99 8GB |
| Processor | Dual-core Apple A5 | Apple A4 |
| Display | 3.5-inch IPS 960 x 640 | 3.5-inch IPS 960 x 640 |
| Primary camera | 8 megapixel AF with flash and f/2.4 aperture | 5 megapixel AF with flash |
| Secondary camera | VGA at 30fps | VGA |
| Video recording | 1080p at 30fps, optional iMovie | 720p at 30fps, optional iMovie |
| Cellular | Hybrid GSM / CDMA "World Phone", Bluetooth 4.0 | Quadband GSM, pentaband HSPA |
| WiFi | 802.11b/g/n | 802.11b/g/n |
| Orientation sensing | Accelerometer, digital compass, gyroscope | Accelerometer, compass, gyroscope |
| FaceTime video calling | Yes | Yes |
| SIM standard | Micro SIM | Micro SIM |
| Battery life | Up to 8 hours talk time on 3G 14 hours talk time on 2G Up to 6 hours data on 3G Up to 9 hours data on WiFi Up to 40 hours audio Up to 10 hours video | Up to 7 hours talk time on 3G, 14 hours on 2G Up to 10 hours data on WiFi Up to 40 hours audio Up to 10 hours video |
| Weight | 140 grams / 4.9 oz | 137 grams / 4.8 oz. |
| Dimensions | 115.2 x 58.6 x 9.3mm | 115.2 x 58.6 x 9.3mm |
Chart courtesy of Engadget
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