Samsung Galaxy J2 2017 Dual SIM vs Samsung Galaxy A3 2016
| Type | Touch | Touch |
| Dimensions | 136.50 x 69.00 x 8.40 mm | 134.50 x 65.20 x 7.30 mm |
| Weight | 130.00 g | 132.00 g |
| Display size | 4.70" | 4.70" |
| Display | Color / Super AMOLED 16M colors 540 x 960 px (4.70") 234 ppi | Color / Super AMOLED 16M colors 720 x 1280 px (4.70") 312 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 3G: 720 min. (12.0 h) | 3G: 840 min. (14.0 h) |
| Stand-by (max.) |  | 3G: 419 h. (17.5 days) 4G: 338 h. (14.1 days) |
| Playback time (max.) | Audio: 41 h (1.7 days) Video: 14 h (0.6 days) | Audio: 58 h (2.4 days) Video: 14 h (0.6 days) |
| Internet browsing time (max.) | WiFi: 11 h (0.5 days) 3G: 9 h (0.4 days) 4G: 9 h (0.4 days) | WiFi: 15 h (0.6 days) 3G: 12 h (0.5 days) 4G: 13 h (0.5 days) |
| Standard battery | Li-Ion 2000 mAhBuy powerbank
| Li-Ion 2300 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 8 GB | 16 GB |
| End-user memory | 4.3 GB | 10.7 GB |
| RAM memory | 1 GB | 1.5 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card |
| Operating system | Android | Android 5.1 Lollipop |
| Processor | - | Samsung Exynos 7578 |
| Processor clock | 1300 MHz | 1500 MHz |
| GPU | - | - |
| Touchscreen | | |
| SAR (10g) | 0,502 W/kg | 0,621 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, microSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Announced | 4Q 2017 | 4Q 2015 |
| Other names | SM-J200G/DD | SM-A310F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2100, 1800, 900, 850, 800 TDD LTE: 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 |
| CDMA | | |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 5 Mpx | 13 Mpx |
| Resolution | | 4224x3168 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1280x720 px | 1920x1080 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 |
| Additional | AF | AF, f/1.9 |
CAMERAS - FRONT
| First camera | | |
| Photo sensor model | | Samsung S5K5E3 |
| Photo matrix | 2 Mpx | 5 Mpx |
| Resolution | | 2576x1932 px |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 |
| Additional | FF | FF, 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 | 21.10 Mbit/s | 42.00 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | - |
| LTE UP | | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | class 12 |
| EDGE | | |
| Bluetooth | v4.1 | v4.1 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 | | |
| 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 | XT9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF | 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 | 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 | | |
