ZTE X850 vs Nokia E71
| Type | Touch | Bar (classic) |
| Dimensions | 102.00 x 55.00 x 14.50 mm | 114.00 x 57.00 x 10.00 mm |
| Weight | 100.00 g | 126.00 g |
| Display size | 2.80" | 2.36" |
| Display | Color / TFT 256k colors 240 x 320 px (2.80") 143 ppi | Color / TFT 16M colors 320 x 240 px (2.36") 169 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 2G: 630 min. (10.5 h) 3G: 270 min. (4.5 h) |
| Stand-by (max.) | | 2G: 408 h. (17.0 days) 3G: 480 h. (20.0 days) |
| Standard battery | Li-Ion 1000 mAhBuy powerbank
| Li-Po 1500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 512 MB | 110 MB |
| End-user memory | 100 MB | |
| RAM memory | 256 MB | |
| Memory cards |  microSD up to 8 GBBuy memory card | microSD up to 8 GBBuy memory card |
| Operating system | Android 2.1 Eclair | Symbian 9.2 |
| Interface | - | Series 60 3rd Edition |
| Processor | Qualcomm MSM7227 | ARM11 |
| Processor clock | 600 MHz | 369 MHz |
| GPU | Adreno 200 | - |
| Touchscreen | | |
| SAR (10g) | | 1,33 W/kg |
| DualSIM | | |
| Announced | 3Q 2010 | 3Q 2008 |
| Other names | Racer | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 3.2 Mpx | 3.2 Mpx |
| Resolution | 2048x1536 px | 2048x1536 px |
| Optical zoom | | |
| Digital zoom | | 4x |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 320x240 px | 320x240 px |
| Video formats | H.263, MPEG4 | MPEG4, H.263 - 15 fps |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.3 Mpx |
| Resolution | nd | 640x480 px |
| Optical zoom | nd | |
| Digital zoom | nd | 2x |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | MPEG4, H.263 - 15 fps |
| Additional | nd | - |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 7.20 Mbit/s | 3.60 Mbit/s |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | class 32 |
| EDGE | class 10 | class 32 |
| Bluetooth | v2.0 | v2.0 EDR |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | v802.11 b/g |
| WiFi frequencies | 2,4 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | v4.3 |
| MMS | | v1.2 |
| Dictionary | | OTHER |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, eAAC+ | AAC, AAC+, AMR, M4A, MP4, WAV, eAAC+ |
| Polyphony | | 64 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | Dalvik | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | v1.2 |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |