Apple iPhone 4 8GB vs Microsoft Surface
| Type | Touch | A tablet |
| Dimensions | 115.20 x 58.60 x 9.30 mm | 172.00 x 274.60 x 9.40 mm |
| Weight | 137.00 g | 680.40 g |
| Display size | 3.50" | 10.60" |
| Display | Color / IPS TFT 16M colors 640 x 960 px (3.50") 330 ppi | Color / TFT 16M colors 1366 x 768 px (10.60") 148 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 840 min. (14.0 h) 3G: 420 min. (7.0 h) | |
| Stand-by (max.) | 2G: 300 h. (12.5 days) 3G: 300 h. (12.5 days) | |
| Playback time (max.) | Audio: 40 h (1.7 days) | nd |
| Internet browsing time (max.) | WiFi: 10 h (0.4 days) 3G: 6 h (0.3 days) | nd |
| Standard battery | Li-Po 1420 mAhBuy powerbank
| Li-Ion Buy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 8 GB | 32 GB |
| End-user memory | 6.7 GB | |
| RAM memory | 2 GB | |
| Memory cards | microSD, microSDHC, microSDXC up to 64 GBBuy memory card | |
| Operating system | iOS 4 | MS Windows RT |
| Processor | Apple A4 | Nvidia Tegra 3 T30 |
| Processor clock | 1000 MHz | 1300 MHz |
| GPU | - | ULP GeForce @520 MHz |
| Touchscreen | ||
| SAR (10g) | 1,17 W/kg | |
| DualSIM | ||
| SIM cards standard | SingleSIM(microSIM) | |
| Announced | 4Q 2010 | |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | |
| UMTS | 850 900 1900 2100 | |
| LTE standard | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

