LG G3 vs LG K3 K100
| Type | Touch | Touch |
| Dimensions | 146.30 x 74.60 x 8.90 mm | 133.80 x 67.70 x 9.40 mm |
| Weight | 149.00 g | 127.00 g |
| Display size | 5.50" | 4.50" |
| Display | Color / IPS TFT 16M colors 1440 x 2560 px (5.50") 534 ppi | Color / TFT 16M colors 480 x 854 px (4.50") 218 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Ion 1940 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging |  | |
| Internal memory | 16 GB, 32 GB | 8 GB |
| End-user memory |  | 3.1 GB |
| RAM memory | 2 GB, 3 GB | 1 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 4.4.2 KitKat | Android 6.0 Marshmallow |
| Processor | Qualcomm Snapdragon 801 | MediaTek MT6737 |
| Processor clock | 2500 MHz | 1100 MHz |
| GPU | Adreno 330 | ARM Mali-T720 MP2 @650 MHz |
| Touchscreen | | |
| DualSIM | | |
| Announced | 2Q 2014 | 3Q 2016 |
| Other names | D855; D850; D851 | LGK100; LG-K100 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA | CDMA2000 1xEV-DO | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | Sony IMX135 | |
| Photo matrix | 13 Mpx | 5 Mpx |
| Resolution | 4128x3096 px | 2560x1920 px |
| Optical zoom | | |
| Digital zoom | 8x | 4x |
| Flash | 2x LED | |
| Dual-colour LED flash | | |
| Video resolution | 3840x2160 px | 1280x720 px |
| Video formats | H.263, H.264, MPEG4 | H.263, H.264, MPEG4 |
| Additional | AF, Laser AF, OIS | - |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | Sony IMX208 | |
| Photo matrix | 2.1 Mpx | 0.3 Mpx |
| Resolution | 1600x1200 px | 640x480 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, MPEG4 | H.263, H.264, MPEG4 |
| Additional | FF | - |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | 42.00 Mbit/s | |
| HSUPA | 5.76 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.0 LE | v4.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n/ac | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 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 | | |
| EMS | | |
| MMS | | |
| 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 | 3.5 mm |
| HD Voice | | |
| Sound formats | | AAC, AAC+, AMR, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | Dalvik | 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 | | |