LG U400 vs Samsung Galaxy J7 Pro
| Type | Slide | Touch |
| Dimensions | 99.80 x 48.00 x 20.40 mm | 152.50 x 74.80 x 7.80 mm |
| Weight | 90.00 g | 181.00 g |
| Display size | - | 5.50" |
| Display | Color / TFT 256k colors 240 x 320 px | Color / Super AMOLED 16M colors 1080 x 1920 px (5.50") 401 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 3G: 1440 min. (24.0 h) |
| Playback time (max.) | nd | Audio: 91 h (3.8 days) Video: 18 h (0.8 days) |
| Internet browsing time (max.) | nd | WiFi: 16 h (0.7 days) 3G: 12 h (0.5 days) 4G: 15 h (0.6 days) |
| Standard battery | | Li-Ion 3600 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 70 MB | 16 GB, 32 GB, 64 GB |
| End-user memory | | UNKNOWN, 24.4 GB |
| RAM memory | | 3 GB |
| Memory cards |  microSD | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | - | Android 7.0 Nougat |
| Processor | - | Samsung Exynos 7870 |
| Processor clock | - | 1600 MHz |
| GPU | - | ARM Mali-T830 MP1 @700 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | nanoSIM, microSD |
| Announced | | 2Q 2017 |
| Other names | - | SM-J730G/DS |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 13 Mpx |
| Resolution | 1600x1200 px | 4128x3096 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | MPEG4 | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | f/1.7 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | | 13 Mpx |
| Resolution | 640x480 px | 4128x3096 px |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.263, H.264, MPEG4 - 30 fps |
| Additional | - | f/1.9 |
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 | v2.0 | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n/ac |
| 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 | | |
| Dictionary | T9 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, WMA | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF |
| Polyphony | 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 | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |