Samsung Galaxy J7 Duo Dual SIM vs Huawei P20
| Type | Touch | Touch |
| Waterproofness & dust-resistance |  | IP53 |
| Dimensions | 153.50 x 77.20 x 8.20 mm | 149.10 x 70.80 x 7.65 mm |
| Weight | 174.00 g | 165.00 g |
| Display size | 5.50" | 5.80" |
| Display | Color / Super AMOLED 16M colors 720 x 1280 px (5.50") 267 ppi | Color / IPS TFT 16M colors 1080 x 2244 px (5.80") 429 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | | 3G: 1200 min. (20.0 h) |
| Stand-by (max.) | | 3G: 391 h. (16.3 days) |
| Playback time (max.) | nd | Audio: 76 h (3.2 days) Video: 16 h (0.7 days) |
| Internet browsing time (max.) | nd | 4G: 12 h (0.5 days) |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Po 3400 mAhBuy powerbank
|
| Quick battery charging | | SuperCharge |
| Wireless battery charging | | |
| Internal memory | 32 GB | 64 GB, 128 GB |
| RAM memory | 4 GB | 4 GB, 6 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 256 GBBuy memory card | |
| Operating system | Android 8.0 Oreo | Android 8.1 Oreo |
| Interface | Samsung Experience 9.0 | EMUI 8.1 |
| Processor | Samsung Exynos 7870 | HiSilicon Kirin 970 |
| Processor clock | 1600 MHz | 2360 MHz |
| GPU | ARM Mali-T830 MP1 @700 MHz | ARM Mali-G72 MP12 |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(microSIM, microSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | | |
| Announced | 2Q 2018 | 1Q 2018 |
| Other names | SM-J720F/DS | EML-L09; EML-L09C; EML-L29; EML-AL00 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1700 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 1500, 900, 850, 800, 700 TDD LTE: 2600, 2300, 2100, 1900 |
| CDMA | | 850 |
| Standard TD-SCDMA | | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 13 Mpx | 12 Mpx |
| Resolution | | 3968x2976 px |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 1920x1080 px | 3840x2160 px |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | AF, f/1.9 | FF, Laser AF, EIS, f/1.8 |
| Second camera | | |
| Photo matrix | 5 Mpx | 20 Mpx |
| Resolution | | 5120x3840 px |
| Optical zoom | | |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | FF, f/1.9 | FF, Laser AF, f/1.6 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 8 Mpx | 24 Mpx |
| Resolution | | 5632x4224 px |
| Optical zoom | | |
| Flash | LED | |
| Dual-colour LED flash | | |
| Video formats | H.263, H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 - 30 fps |
| Additional | FF | 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 | | 42.00 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | 979.00 Mbit/s |
| LTE UP | | - |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v4.2 LE | v4.2 LE |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v3.1 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| 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 | |
| HD Voice | | |
| Sound formats | AAC, AAC+, AMR, WAV, eAAC+ | 3GP, AAC, AMR, FLAC, MIDI, MP4, OGG, WAV |
| 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 | | |
