Samsung Galaxy J3 2017 SM-J330F vs LG K40S Dual SIM
| Type | Touch | Touch |
| Dimensions | 143.20 x 70.30 x 8.20 mm | 156.30 x 73.90 x 8.60 mm |
| Weight | 142.00 g | 186.00 g |
| Display size | 5.00" | 6.08" |
| Display | Color / TFT 16M colors 720 x 1280 px (5.00") 294 ppi | Color / IPS TFT 16M colors 720 x 1560 px (6.08") 283 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) |  | 2G: 1350 min. (22.5 h) 3G: 960 min. (16.0 h) 4G: 822 min. (13.7 h) |
| Stand-by (max.) | | 2G: 450 h. (18.8 days) 3G: 432 h. (18.0 days) 4G: 450 h. (18.8 days) |
| Standard battery | Li-Ion 2400 mAhBuy powerbank
| Li-Ion 3500 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 16 GB | 32 GB |
| End-user memory | 10.3 GB | 17 GB |
| RAM memory | 2 GB | 2 GB, 3 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
| Operating system | Android 7.0 Nougat | Android 9.0 Pie |
| Processor | Samsung Exynos 7570 | MediaTek Helio P22 MT6762 |
| Processor clock | 1400 MHz | 2000 MHz |
| GPU | ARM Mali-T720 | PowerVR GE8320 @650 MHz |
| Touchscreen | | |
| SAR (10g) | | 1,529 W/kg |
| DualSIM | | |
| SIM cards standard | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | 3Q 2017 | 3Q 2019 |
| Other names | SM-J330FZ | LMX430EMW; LMX430ZMW |
| 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, 1800, 900, 850, 800 TDD LTE: 2600, 2300 | FDD LTE: 2600, 2100, 1800, 900, 800, 700 TDD LTE: 2600 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo matrix | 13 Mpx | 13 Mpx |
| Pixel size | | 1,12 µm |
| Resolution | | 4160x3120 px |
| Optical zoom | | |
| Digital zoom | | 8x |
| Field of view | | 76 ° |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 1920x1080 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, f/1.9 | AF, f/2.0 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 5 Mpx |
| Pixel size | nd | 1,12 µm |
| Optical zoom | nd | |
| Field of view | nd | 117 ° |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, H.264, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
CAMERAS - FRONT
| First camera | | |
| Camera type | | Portrait |
| Photo matrix | 5 Mpx | 13 Mpx |
| Pixel size | | 1,12 µm |
| Resolution | | 4160x3120 px |
| Optical zoom | | |
| Field of view | | 77 ° |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | FF, f/2.2 | FF, f/2.0 |
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 12 |
| EDGE | | class 12 |
| Bluetooth | v4.2 | v5.0 LE |
| 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 |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| 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, MID, WAV, 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 | | |