BlackBerry 8310 Curve vs Samsung Galaxy J2 Core 2020 Dual SIM
| Type | Bar (classic) | Touch |
| Dimensions | 107.00 x 60.00 x 15.50 mm | 143.40 x 72.10 x 8.90 mm |
| Weight | 111.40 g | 154.00 g |
| Display size | 2.40" | 5.00" |
| Display | Color / TFT 64k colors 320 x 240 px (2.40") 167 ppi | Color / TFT 16M colors 540 x 960 px (5.00") 220 ppi |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 240 min. (4.0 h) | 4G: 1320 min. (22.0 h) |
| Stand-by (max.) | 2G: 408 h. (17.0 days) |  |
| Playback time (max.) | nd | Audio: 91 h (3.8 days) Video: 12 h (0.5 days) |
| Internet browsing time (max.) | nd | WiFi: 15 h (0.6 days) 4G: 14 h (0.6 days) |
| Standard battery | Li-Ion 1100 mAhBuy powerbank
| Li-Ion 2600 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 64 MB | 16 GB |
| End-user memory | | 11.7 GB |
| RAM memory | 16 MB | 1 GB |
| Memory cards |  microSD up to 4 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | - | Android 8.1 Oreo Go |
| Processor | Intel XScale PXA270 | Qualcomm Snapdragon 425 8917 |
| Processor clock | 312 MHz | 1400 MHz |
| GPU | - | Adreno 308 @500 MHz |
| Touchscreen | | |
| SAR (10g) | 0,82 W/kg | 0,986 W/kg |
| DualSIM | | |
| SIM cards standard | | DualSIM(microSIM, microSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 2Q 2020 |
| Other names | - | SM-J260FU/DS; SM-J260GU/DS; SM-J260MU/DS |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 |
| UMTS | | 850 900 2100 |
| LTE standard | | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2500, 2300 |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo matrix | 2 Mpx | 8 Mpx |
| Resolution | 1600x1200 px | |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.263, MPEG4 - 30 fps |
| Additional | - | AF, f/2.2 |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 5 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
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 | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v2.0 | v4.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g/n |
| WiFi frequencies | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | 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 |
| 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+, WAV, WMA, eAAC+ | 3GA, AAC, AMR, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, WAV |
| Polyphony | | |
| 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 | | |