Samsung Galaxy S7 Duos (SM-G930FD) vs Samsung Rex 70 (S3802)
Side by side comparison between Samsung Galaxy S7 vs Samsung Rex 70 phones, differences, pros, cons and full specifications. What's the better?
,
5.1"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy S7 Duos (SM-G930FD)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
32 Advantages 
4 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Proximity sensor |
| 3.5mm jack |
| MicroUSB 2.0, USB OTG On-The-Go / MicroUSB 2.0 |
| + specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Model | Galaxy S7 Duos (SM-G930FD) | Rex 70 (S3802) |
| Other model names | Galaxy S7 Dual Sim G930FD (Exynos), Samsung Hero | Samsung Rex 70 Duos S3802 for India market |
| Country or region available |      (Europe), China, India, Indonesia, Taiwan | India |
| Brand | Samsung | Samsung |
| Release date | 3/11/2016, Announced: 2/21/2016 | 3/1/2013 |
| Depth | 7.9 millimeters (0.31 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) | 57.2 x 104.9 millimeters (2.25 x 4.13 in) |
| Weight | 152 grams (5.32 ounces) | 89 grams (3.12 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 5.1" inches | 3" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~46.4% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 240x320 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 133 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| System version | Android 6.0.1 Marshmallow | Proprietary OS |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Chipset | 64bit: Samsung Exynos 8890 (14nm) | 32bit |
| CPU | Octa-core, 2 processors: 4x 2.3GHz M1 Mongoose (Quad-core) 4x 1.6GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core XMM 2250m (Single-core) |
| GPU graphical controller | ARM Mali-T880 MP12 (650MHz) | feature not registered |
| Performance (benchmark) | AnTuTu: 80582 (v5), 175184 (v8) | feature not registered |
💽 Memory and storage | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| RAM memory | 4GB LPDDR4 | feature not registered |
| Internal storage | 32GB (22GB available) UFS 2.0 | 10MB |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 450/50 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28) TD-LTE (Bands 38, 39, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS |
📷 Camera | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Back camera (main camera) | 12.2 megapixels | 2 megapixels |
| Main camera resolution | 4032x3024 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo/video on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2592x1944 pixels | Not supported |
| Video recording (secondary) | 2K UHD (2560x1440) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 22mm lens | feature not registered |
| Sensor size | 1/4.1" inches | feature not registered |
| Pixel size | 1.34µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.2 + A2DP | 3.0 |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3000 mAh | 1000 mAh |
| Charger, watts | 15W Wired fast charging Quick Charge 2 | Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | 28 hours (1.2 days) | 13 hours |
| Standby | 288 hours (12 days) | 490 hours (20.4 days) |
➕ Other features | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | feature not registered |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Gold, Silver • Corning Gorilla Glass back panel • Samsung Gear VR compatible • Fast battery charging: 83% in 30min • OneDrive 115GB • Samsung Pay (Visa, MasterCard) | • Colors: White, Gray, Blue • Samsung TouchWiz UI • ChatON • Opera browser • Facebook, Twitter, YouTube • Java framework |
☢️ Radiation rate | ||
| Galaxy S7 Duos (SM-G930FD) | Samsung Rex 70 (S3802) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.406W/kg (head), 0.621W/kg (body) | feature not registered |