Nokia E66 vs Nokia E71
| Type | Slide | Bar (classic) | Bar (classic) | Touch |
| Dimensions | 107.00 x 49.00 x 13.00 mm | 114.00 x 57.00 x 10.00 mm | 114.00 x 59.50 x 10.10 mm | 122.00 x 60.00 x 12.00 mm |
| Weight | 121.00 g | 126.00 g | 128.00 g | |
| Display size | 2.40" | 2.36" | 2.40" | 4.00" |
| Display | Color / TFT 16M colors 240 x 320 px (2.40") 167 ppi | Color / TFT 16M colors 320 x 240 px (2.36") 169 ppi | Color / TFT 16M colors 320 x 240 px (2.40") 167 ppi | Color / TFT 16M colors 480 x 800 px (4.00") 233 ppi |
| Display protection | ||||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 450 min. (7.5 h) 3G: 210 min. (3.5 h) | 2G: 630 min. (10.5 h) 3G: 270 min. (4.5 h) | 2G: 552 min. (9.2 h) 3G: 360 min. (6.0 h) | |
| Video talk time (max.) | 240 min. (4.0 h) | nd | ||
| Stand-by (max.) | 2G: 264 h. (11.0 days) 3G: 336 h. (14.0 days) | 2G: 408 h. (17.0 days) 3G: 480 h. (20.0 days) | 2G: 729 h. (30.4 days) 3G: 868 h. (36.2 days) | |
| Standard battery | Li-Ion 1000 mAhBuy powerbank
| Li-Po 1500 mAhBuy powerbank
| Li-Po 1500 mAhBuy powerbank
| Li-Ion 1300 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Phonebook memory | 1000 places | |||
| Internal memory | 110 MB | 110 MB | 250 MB | |
| Memory cards | microSD, microSDHC up to 8 GBBuy memory card | microSD up to 8 GBBuy memory card | microSD, microSDHC up to 16 GBBuy memory card | microSD, microSDHC |
| Operating system | Symbian 9.2 | Symbian 9.2 | Symbian 9.3 | MS Windows Phone 7 |
| Interface | Series 60 3rd Edition | Series 60 3rd Edition | Series 60 3rd Edition | - |
| Processor | ARM11 | ARM11 | ARM11 | - |
| Processor clock | 369 MHz | 369 MHz | 600 MHz | - |
| GPU | - | - | - | - |
| Touchscreen | ||||
| SAR (10g) | 1,37 W/kg | 1,33 W/kg | 1,31 W/kg | |
| DualSIM | ||||
| Announced | 3Q 2008 | 3Q 2008 | 3Q 2009 | 1Q 2011 |
| Other names | - | - | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 1900 2100 | 850 900 1900 2100 | 850 900 1900 2100 | 1900 |
| LTE standard | ||||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



