Sony Ericsson Xperia X10 vs LG KU990
| Type | Touch | Touch |
| Dimensions | 119.00 x 63.00 x 13.00 mm | 103.50 x 54.40 x 14.80 mm |
| Weight | 135.00 g | 112.00 g |
| Display size | 4.00" | 3.00" |
| Display | Color / TFT 64k colors 480 x 854 px (4.00") 245 ppi | Color / TFT 256k colors 240 x 400 px (3.00") 155 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 415 min. (6.9 h) 3G: 425 min. (7.1 h) | 2G: 345 min. (5.8 h) 3G: 225 min. (3.8 h) |
| Stand-by (max.) | 2G: 600 h. (25.0 days) 3G: 480 h. (20.0 days) | 2G: 430 h. (17.9 days) 3G: 450 h. (18.8 days) |
| Standard battery | Li-Po 1500 mAhBuy powerbank
| Li-Ion 1000 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory |  | 500 places |
| Internal memory | 1 GB | 100 MB |
| RAM memory | 384 MB | |
| Memory cards |  microSD, microSDHC up to 16 GBBuy memory card | microSD up to 2 GBBuy memory card |
| Operating system | Android 1.6 Donut | - |
| Processor | Qualcomm QSD8250 | ARM9 |
| Processor clock | 1000 MHz | 160 MHz |
| GPU | Adreno 200 | - |
| Touchscreen | | |
| SAR (10g) | 1,4 W/kg | 0,826 W/kg |
| DualSIM | | |
| Announced | 1Q 2010 | |
| Other names | Xperia X10a; Rachael | Viewty |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 850 1900 2100 | 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 8.1 Mpx | 5 Mpx |
| Resolution | 3264x2448 px | 2592x1944 px |
| Optical zoom | | |
| Digital zoom | 16x | 8x |
| Flash | LED | LED, Xenon |
| Dual-colour LED flash | | |
| Video resolution | 800x480 px | 640x480 px |
| Video formats | MPEG4 - 30 fps | MPEG4, H.263 - 120 fps |
| Additional | AF, EIS | EIS |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.3 Mpx |
| Resolution | nd | 640x480 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| 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 | |
| HSUPA | 2.00 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | class 10 |
| EDGE | class 10 | |
| Bluetooth | v2.1 EDR | v1.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | |
| WiFi frequencies | 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 | | 300 places |
| EMS | | |
| MMS | v1.2 | v1.2 |
| Dictionary | T9 | T9 |
| 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 | |
| HD Voice | | |
| Sound formats | AAC, AAC+, WMA, eAAC+ | AAC, AAC+, ASF, M4A, WAV, WMA |
| Polyphony | 72 voices | 40 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | Dalvik | MIDP 2.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | v1.2 | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |