Sony Ericsson D750i vs Sony Xperia M4 Aqua
| Type | Bar (classic) | Touch |
| Waterproofness & dust-resistance |  | IP65, IP68 |
| Dimensions | 100.00 x 46.00 x 20.50 mm | 145.50 x 72.60 x 7.30 mm |
| Weight | 99.00 g | 136.00 g |
| Display size | - | 5.00" |
| Display | Color / TFT 256k colors 176 x 220 px | Color / IPS TFT 16M colors 720 x 1280 px (5.00") 294 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 540 min. (9.0 h) | 2G: 672 min. (11.2 h) 3G: 797 min. (13.3 h) |
| Stand-by (max.) | 2G: 400 h. (16.7 days) | 2G: 681 h. (28.4 days) 3G: 685 h. (28.5 days) 4G: 547 h. (22.8 days) |
| Playback time (max.) | nd | Audio: 64,70 h (2.7 days) Video: 7 h (0.3 days) |
| Standard battery | Li-Po 900 mAhBuy powerbank
| Li-Ion 2400 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 34 MB | 8 GB |
| End-user memory | | 4 GB |
| RAM memory | | 2 GB |
| Memory cards |  Memory Stick Duo, Memory Stick PRO Duo up to 2 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | - | Android 5.0 Lollipop |
| Processor | - | Qualcomm Snapdragon 615 8939 |
| Processor clock | - | 1500 MHz |
| GPU | - | Adreno 405 |
| Touchscreen | | |
| SAR (10g) | 0,66 W/kg | |
| DualSIM | | |
| Announced | | 1Q 2015 |
| Other names | D750; Cajsa | E2303; E2306; E2353 |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | | Sony Exmor RS |
| Photo matrix | 2 Mpx | 13 Mpx |
| Resolution | 1600x1200 px | 4128x3096 px |
| Optical zoom | | |
| Digital zoom | 4x | 4x |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | | MPEG4, H.263, H.264 |
| Additional | - | AF, EIS |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 5 Mpx |
| Resolution | nd | 2592x1944 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | MPEG4, H.263, H.264 |
| Additional | nd | FF |
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 | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | | |
| Bluetooth | | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | v1.0 + SMIL |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | z RDS | z RDS |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | | 3GPP, MP4, OGG, SMF, WAV |
| Polyphony | 40 voices | 64 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | ART |
| 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 | | |