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NameSamsung Galaxy S DUOS
Oppo A77
Chipset: Mediatek MT6750T
Processor: 1GHz ProcessorOcta-core 1.5 GHz Cortex-A53
GPU: Adreno 200 GPU along with Dual SIMMali-T860MP2
Operating System: AndroidAndroid
Operating System Version: Android 4.0 ICSAndroid 6.0 (Marshmallow)
Sensors: Accelerometer, Geo-magnetic, Proximity SensorFingerprint (front-mounted), accelerometer, proximity, compass
Manufacturer: SamsungOppo
Series Name: GalaxyA77
Dimensions: 121.5 x 63.1 x 10.5mm7.3 mm thickness
Weight: 120g153 grams
Camera Type: Dual CameraDual Camera
Front Camera: CMOS, VGA16 MP, f/2.0, 1.12 µm pixel size, 1080p
Back Camera: CMOS, 5MP13 MP, f/2.2, phase detection autofocus, LED flash
Camera features: CMOS, 5MP with LED flashGeo-tagging, touch focus, face detection, HDR, panorama
Video Camera features: 30fps1080p@30fps
RAM: 512 MB4 GB RAM
External Memory: 4 GBmicroSD, up to 256 GB (uses SIM 2 slot)
Internal Storage: 16/32 GB expandable memory64 GB
Screen Size: 10.16cms5.5 inches
Ports: USB 2.0microUSB 2.0
Display: 480 x 800 (WVGA)IPS LCD capacitive touchscreen, 16M colors
Battery Type: 1,500mAhNon-removable Li-Ion 3200 mAh battery
Battery (Talk Time): Up to 770 minutes (2G), Up to 520 minutes (3G)Good
Battery (Standby Time): Up to 570 Hours (2G), Up to 470 Hours (3G)Good
Audio: I-Melody, IMY, M4A, MIDI, MP3, OGG, SP-Midi, WAV, WMAmp3
Video: MPEG4, H.263, H.264, 30fpsmp4
Accessories: Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty CardHandset, adapter, charging cable, earphone and documents
Bluetooth: BT 3.04.2, A2DP
Network: EDGE/GPRS (850/900/1,800/1,900MHz)2G, 3G, 4G, GPRS, EDGE
Connectivity: 802.11b/g/n 2.4GHz2G, 3G, 4G, GPRS, EDGE, Wi-Fi 802.11 b/g/n, hotspot, Bluetooth 4.2, A2DP, GPS with A-GPS, microUSB 2.0
GPRS: YesYes
Announced/Launched Date: Aug 2012Coming soon. Exp. release 2017, May 26th
Available Colors: White, BlackGold, Rose Gold
Built-in Apps: Android and related appsRegular apps
SIM Card Type: Regular SIMNano SIM
SIM Slots: Dual SIM
Price Range: US$251 to US$499US$251 to US$499
Category: Mid range SmartphoneMid range Smartphone
Sensors: Accelerometer: Yes
Sensors: Gyroscope: Yes
Sensors: GPS: Yes
Sensors: Compass: Yes
Sensors: Barometer: No
Read Samsung Galaxy S DUOS reviews.Read Oppo A77 reviews.
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  • Compare Oppo A77:
  • HTC 8X
  • Samsung Galaxy S DUOS
  • Samsung Galaxy Note II
  • Nokia Lumia 920
  • Samsung Galaxy Victory
  • Lenovo S880
  • LG Optimus L5 E612
  • LG Optimus L7 P705
  • SONY Xperia U
  • Sony Xperia P
  • Sony Ericsson Xperia ARC S LT18i
  • Nokia Lumia 810
  • LG Optimus L9 P765
  • LG E730
  • Apple's iPhone 4S
  • Lava XOLO A700
  • Karbonn A11
  • Karbonn A21
  • Micromax A116 Canvas HD
  • Intex Aqua Style
  • Samsung Galaxy S II plus
  • Samsung Galaxy Grand Duos GT-i9082EWA
  • Sony Xperia tipo dual
  • Samsung Galaxy Fame S6810
  • BLU Quattro 4.5 HD

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