Sony Ericsson Txt vs Microsoft Lumia 640 LTE
| Type | Bar (classic) | Touch |
| Dimensions | 106.00 x 60.00 x 14.50 mm | 141.30 x 72.20 x 8.80 mm |
| Weight | 95.00 g | 145.00 g |
| Display size | 2.55" | 5.00" |
| Display | Color / TFT 256k colors 320 x 240 px (2.55") 157 ppi | Color / IPS TFT 16M colors 720 x 1280 px (5.00") 294 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 192 min. (3.2 h) | 2G: 1590 min. (26.5 h) 3G: 1050 min. (17.5 h) |
| Stand-by (max.) | 2G: 416 h. (17.3 days) | 2G: 864 h. (36.0 days) |
| Playback time (max.) | Audio: 23 h (1.0 days) Video: 5 h (0.2 days) | Audio: 86 h (3.6 days) Video: 8,6 h (0.3 days) |
| Internet browsing time (max.) | nd | WiFi: 10,8 h (0.4 days) |
| Standard battery | Li-Ion 1000 mAhBuy powerbank
| Li-Ion 2500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 128 MB | 8 GB |
| End-user memory | 100 MB |  |
| RAM memory | 64 MB | 1 GB |
| Memory cards |  microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | ST-E RTKE | MS Windows Phone 8.1 |
| Processor | PNX4910 | Qualcomm Snapdragon 400 |
| Processor clock | - | 1200 MHz |
| GPU | - | Adreno 305 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | SingleSIM(microSIM) |
| Announced | 3Q 2011 | 1Q 2015 |
| Other names | CK13i; Mugua | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 3.2 Mpx | 8 Mpx |
| Resolution | 2048x1536 px | 3264x2448 px |
| Optical zoom | | |
| Digital zoom | 2x | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 320x240 px | 1920x1080 px |
| Video formats | H.263, MPEG4 | MPEG4, H.263, H.264 |
| Additional | - | AF |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.9 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | MPEG4, H.263, H.264 |
| 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 | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v2.1 EDR | v4.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | v802.11 b/g/n |
| 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 | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | eZi | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | 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+, AMR, eAAC+ | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.1 | |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |