LG Q7+ vs LG K40
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 |  |
| Dimensions | 143.80 x 69.30 x 8.40 mm | 153.00 x 71.90 x 8.30 mm |
| Weight | 145.00 g | 144.00 g |
| Display size | 5.50" | 5.70" |
| Display | Color / IPS TFT 16M colors 1080 x 2160 px (5.50") 439 ppi | Color / IPS TFT 16M colors 720 x 1440 px (5.70") 295 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 1500 min. (25.0 h) 3G: 840 min. (14.0 h) 4G: 720 min. (12.0 h) | |
| Stand-by (max.) | 2G: 500 h. (20.8 days) 3G: 440 h. (18.3 days) 4G: 470 h. (19.6 days) | |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Ion 3000 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | |
| Wireless battery charging | | |
| Internal memory | 64 GB | 32 GB |
| End-user memory | | 20.2 GB |
| RAM memory | 4 GB | 2 GB, 3 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 8.1 Oreo | Android 8.1 Oreo |
| Processor | - | MediaTek Helio P22 MT6762 |
| Processor clock | 1800 MHz | 2000 MHz |
| GPU | - | PowerVR GE8320 @650 MHz |
| Touchscreen | | |
| SAR (10g) | 1,55 W/kg | 1,597 W/kg |
| DualSIM | | |
| SIM cards standard | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) |
| Announced | 2Q 2018 | 1Q 2019 |
| Other names | Q610EA | X420EM; LM-X420EM |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800, 700 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 16 Mpx | 16 Mpx |
| Optical zoom | | |
| Digital zoom | | 4x |
| Flash | LED | 2x LED |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | MPEG4, H.263, H.264 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, f/2.2 | AF, f/2.0 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 8 Mpx |
| Optical zoom | | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video formats | MPEG4, H.263, H.264 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | f/1.9 | FF, f/2.0 |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | - |
| LTE UP | 51.00 Mbit/s | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 LE | v4.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 Type-C | v2.0 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | 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 | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ | AAC, AAC+, AMR, APE, DSD, FLAC, OGG, WAV, WMA, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | 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 | | |