Samsung Galaxy J4 Dual SIM vs Realme 7
| Type | Touch | Touch |
| Dimensions | 151.70 x 77.20 x 8.10 mm | 162.30 x 75.40 x 9.40 mm |
| Weight | 175.00 g | 196.50 g |
| Display size | 5.50" | 6.50" |
| Display | Color / Super AMOLED 16M colors 720 x 1280 px (5.50") 267 ppi | Color / IPS TFT 16M colors 90 Hz 1080 x 2400 px (6.50") 405 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 | Corning Gorilla Glass Buy screen protector
|
| Additional display |  | |
| Protection of the secondary display | | |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | |  |
| Wireless battery charging | | |
| Internal memory | 16 GB | 64 GB, 128 GB |
| RAM memory | 2 GB | 6 GB, 8 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | |
| Operating system | Android 8.0 Oreo | Android 10 |
| Processor | Samsung Exynos 7570 | MediaTek Helio G95 MT6785 |
| Processor clock | 1400 MHz | 2050 MHz |
| GPU | ARM Mali-T720 | ARM Mali-G76 MC4 @900 MHz |
| Touchscreen | | |
| SAR (10g) |  | 0,99 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, microSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | | |
| Announced | 2Q 2018 | 3Q 2020 |
| Other names | SM-J400F | RMX2151 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 1900 2100 | 850 900 1900 2100 |
| LTE standard | | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 26200, 2500, 2300 |
| Standard 5G | | |
| CDMA | | 850 CDMA2000 1X |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo sensor model | | Sony IMX682 |
| Photo matrix | 13 Mpx | 64 Mpx |
| Sensor size | | 1/1,73 |
| Pixel size | | 0,8 µm |
| Resolution | | 9248x6944 px |
| Optical zoom | | |
| Number of lenses | | 6 |
| Field of view | | 80 ° |
| Focal length | | 26 mm |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 3840x2160 px |
| Video formats | | H.264, H.265, MPEG4 - 30 fps |
| Additional | AF | AF, EIS, f/1.8 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 8 Mpx |
| Sensor size | nd | 1/4 |
| Pixel size | nd | 1,12 µm |
| Optical zoom | nd | |
| Number of lenses | nd | 5 |
| Field of view | nd | 119 ° |
| Focal length | nd | 16 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.3 |
| Third camera | | |
| Camera type | nd | Macro |
| Photo matrix | nd | 2 Mpx |
| Sensor size | nd | 1/5 |
| Pixel size | nd | 1,75 µm |
| Optical zoom | nd | |
| Number of lenses | nd | 3 |
| Focal length | nd | 22 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.4 |
| Fourth camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 2 Mpx |
| Sensor size | nd | 1/5 |
| Pixel size | nd | 1,75 µm |
| Optical zoom | nd | |
| Number of lenses | nd | 3 |
| Focal length | nd | 22 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Camera type | | Portrait |
| Photo sensor model | | Sony IMX471 |
| Photo matrix | 5 Mpx | 16 Mpx |
| Sensor size | | 1/3,09 |
| Pixel size | | 1 µm |
| Resolution | | 4608x3456 px |
| Optical zoom | | |
| Number of lenses | | 5 |
| Field of view | | 79 ° |
| Flash | | |
| Dual-colour LED flash | | |
| Video resolution | | 1920x1080 px |
| Video formats | | H.264, H.265, MPEG4 - 30 fps |
| Additional | FF | FF, EIS, f/2.1 |
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 | 42.00 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 603.00 Mbit/s |
| LTE UP | | - |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 Type-C |
| 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 | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ | AAC, AAC+, AMR, APE, FLAC, MID, MKA, OGG, 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 | | |