Sony Ericsson K770i vs Samsung GT-B2710
| Type | Bar (classic) | Bar (classic) | Touch | Bar (classic) |
| Waterproofness & dust-resistance |  | IP67 | IP67 | |
| Dimensions | 105.00 x 47.00 x 14.50 mm | 120.70 x 53.00 x 17.90 mm | 92.00 x 55.00 x 16.50 mm | 110.00 x 66.00 x 11.95 mm |
| Weight | 95.00 g | 115.00 g | 110.80 g | 115.00 g |
| Display size | 1.90" | 2.00" | 3.00" | 2.70" |
| Display | Color / TFT 256k colors 240 x 320 px (1.90") 211 ppi | Color / TFT 256k colors 240 x 320 px (2.00") 200 ppi | Color / TFT 16M colors 320 x 480 px (3.00") 192 ppi | Color / TFT 256k colors 320 x 480 px (2.70") 214 ppi |
| Display protection |   | | | Corning Gorilla Glass Buy screen protector
|
| Additional display | | | | |
| Protection of the secondary display | | | | |
| Talk time (max.) | 2G: 600 min. (10.0 h) 3G: 155 min. (2.6 h) | 2G: 1140 min. (19.0 h) 3G: 420 min. (7.0 h) | 2G: 333 min. (5.6 h) 3G: 331 min. (5.5 h) | 2G: 720 min. (12.0 h) |
| Video talk time (max.) | 90 min. (1.5 h) | | nd | nd |
| Stand-by (max.) | 2G: 400 h. (16.7 days) 3G: 400 h. (16.7 days) | 2G: 600 h. (25.0 days) 3G: 500 h. (20.8 days) | 2G: 351 h. (14.6 days) 3G: 335 h. (14.0 days) | 2G: 324 h. (13.5 days) |
| Standard battery | Li-Po 930 mAhBuy powerbank
| Li-Ion 1300 mAhBuy powerbank
| Li-Ion 1200 mAhBuy powerbank
| Li-Ion 1700 mAhBuy powerbank
|
| Quick battery charging | | | | |
| Wireless battery charging | | | | |
| Phonebook memory | | 2000 places | | |
| Internal memory | 16 MB | 30 MB | 320 MB | 1 GB |
| RAM memory | | | 512 MB | 512 MB |
| Memory cards |  Memory Stick Micro (M2) up to 2 GBBuy memory card | microSD, microSDHC up to 16 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | - | Android 2.3 Gingerbread | Android 2.3.7 Gingerbread |
| Processor | - | - | Qualcomm MSM8255 | Qualcomm MSM7227A |
| Processor clock | - | - | 1000 MHz | 1000 MHz |
| GPU | - | - | Adreno 205 | Adreno 200 enhanced |
| Touchscreen | | | | |
| SAR (10g) | 1,69 W/kg | 0,665 W/kg | | |
| DualSIM | | | | |
| SIM cards standard | | | SingleSIM(miniSIM) | |
| Announced | | 4Q 2010 | 3Q 2011 | 3Q 2012 |
| Other names | K770; Victoria | Xcover 271; Solid B2710 | ST17i; ST17a; Satsuma | - |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | 2100 | 900 2100 | 900 2100 | 850 2100 |
| LTE standard | | | | |
| CDMA | | | | |
| Standard TD-SCDMA | | | | |
| UMA | | | | |
CAMERAS - BACK
| First camera | | | | |
| Photo matrix | 3.2 Mpx | 2 Mpx | 5 Mpx | 5 Mpx |
| Resolution | 2048x1536 px | 1600x1200 px | 2592x1944 px | 2592x1944 px |
| Optical zoom | | | | |
| Digital zoom | 3x | | 8x | 4x |
| Flash | LED | | LED | LED |
| Dual-colour LED flash | | | | |
| Video resolution | | 160x120 px | 1280x720 px | 800x480 px |
| Video formats | | H.263, MPEG4 - 15 fps | H.263, H.264 | H.263, H.264, MPEG4 - 24 fps |
| Additional | - | - | AF | AF |
CAMERAS - FRONT
| First camera | | | | |
| Photo matrix | 0.3 Mpx | nd | nd | 0.3 Mpx |
| Resolution | 640x480 px | nd | nd | 640x480 px |
| Optical zoom | | nd | nd | |
| Flash | | nd | nd | |
| Dual-colour LED flash | | nd | nd | |
| Video formats | nd | nd | nd | H.263, H.264, MPEG4 - 24 fps |
| Additional | - | nd | 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 | v2.0 | v2.0 |
| HSCSD | | | | |
| HSDPA | | | 7.20 Mbit/s | |
| HSUPA | | | 5.76 Mbit/s | |
| HSPA | | | | |
| HSPA+ | | | | |
| LTE DL | | | | |
| LTE UP | | | | |
| WIMAX+ | | | | |
| GPRS | class 10 | class 12 | | class 12 |
| EDGE | | class 12 | | class 12 |
| Bluetooth | v2.0 | v2.1 | v2.1 EDR | v3.0 |
| A2DP Profile | | | | |
| HDMI | | | | |
| WiFi | | | v802.11 b/g/n | 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 | v2.0 | v2.0 |
| GPS | | | | |
| A-GPS | | | | |
| Beidou | | | | |
| NFC | | | | |
COMMUNICATION AND MESSAGING
| Call waiting | | | | |
| Conferency | | | | |
| Call forwarding | | | | |
| Push To Talk | | | | |
| Instant Messenger | | | | |
| SMS | | 1300 places | | |
| EMS | | | | |
| MMS | | v1.2 | | |
| Dictionary | T9 | T9 | eZi | T9 |
| Swype | | | | |
| e-mail client | POP3, IMAP4 | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | | | |
| RSS Reader | | | | |
Multimedia
| Radio | z RDS | z RDS | z RDS | z RDS |
| MP3 | | | | |
| Stereo speakers | | | | |
| Audio Jack | | | 3.5 mm | 3.5 mm |
| HD Voice | | | | |
| Sound formats | 3GPP, AMR, M4A, MP4, RA, WAV, WMA | AAC, AAC+, AMR, WMA, eAAC+ | AAC, AAC+, AMR, OGG, WAV, eAAC+ | AAC, AAC+, AMR, OGG, WAV, eAAC+ |
| Polyphony | 64 voices | 40 voices | | |
| Video ringtone | | | | |
| Ring composer | | | | |
| Games | | | | |
| Java | MIDP 2.0 | MIDP 2.0 | Dalvik | Dalvik |
| 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 | | | | |