Samsung Galaxy S7 Duos vs Samsung Galaxy A7 2017
| Type | Touch | Touch |
| Waterproofness & dust-resistance | IP68 | IP68 |
| Dimensions | 142.40 x 69.60 x 7.90 mm | 156.80 x 77.60 x 7.90 mm |
| Weight | 152.00 g | 186.00 g |
| Display size | 5.10" | 5.70" |
| Display | Color / Super AMOLED 16M colors 1440 x 2560 px (5.10") 576 ppi | Color / Super AMOLED 16M colors 1080 x 1920 px (5.70") 386 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 | Corning Gorilla Glass Buy screen protector
|
| Additional display |  | |
| Protection of the secondary display | | |
| Talk time (max.) | 3G: 1320 min. (22.0 h) | 3G: 1380 min. (23.0 h) |
| Playback time (max.) | Audio: 62 h (2.6 days) Video: 15 h (0.6 days) | Audio: 59 h (2.5 days) Video: 20 h (0.8 days) |
| Internet browsing time (max.) | WiFi: 15 h (0.6 days) 3G: 11 h (0.5 days) 4G: 13 h (0.5 days) | WiFi: 17 h (0.7 days) 3G: 13 h (0.5 days) 4G: 16 h (0.7 days) |
| Standard battery | Li-Ion 3000 mAhBuy powerbank
| Li-Ion 3600 mAhBuy powerbank
|
| Quick battery charging | Fast Charging | Fast Charging |
| Wireless battery charging | PMA | |
| Internal memory | 32 GB | 32 GB |
| End-user memory |  | 23 GB |
| RAM memory | 4 GB | 3 GB |
| Memory cards |  microSD, microSDHC, microSDXC up to 200 GBBuy memory card | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 6.0 Marshmallow | Android 6.0.1 Marshmallow |
| Interface | TouchWiz | - |
| Processor | Samsung Exynos 8890 | Samsung Exynos 7880 |
| Processor clock | 2300 MHz | 1900 MHz |
| GPU | ARM Mali-T880 MP12 @650 MHz | ARM Mali-T830 MP3 @650 MHz |
| Touchscreen | | |
| SAR (10g) | 0,621 W/kg | 1,33 W/kg |
| DualSIM | | |
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Hybrid DualSIM | nanoSIM, microSD | nd |
| Announced | 1Q 2016 | 1Q 2017 |
| Other names | Galaxy S7 Dual SIM; SM-G930FD | SM-A720F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 |
| CDMA | | |
| Standard TD-SCDMA | 1900 2000 | 1900 2000 |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo sensor model | Sony IMX260 | |
| Photo matrix | 12 Mpx | 16 Mpx |
| Resolution | 4032x3024 px | |
| Optical zoom | | |
| Flash | LED | LED |
| Dual-colour LED flash | | |
| Video resolution | 3840x2160 px | |
| Video formats | | H.263, H.264, MPEG4 |
| Additional | AF, OIS, f/1.7 | AF, f/1.9 |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | 5 Mpx | 16 Mpx |
| Resolution | 2592x1944 px | |
| Optical zoom | | |
| Flash | | |
| Dual-colour LED flash | | |
| Video formats | | H.263, H.264, MPEG4 |
| Additional | f/1.7 | 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 | 42.20 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 | 51.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | class 12 |
| EDGE | | |
| Bluetooth | v4.2 LE | v4.2 |
| 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 | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | XT9 | XT9 |
| 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 | 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 | 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 | | |
