Comparisons / Comparison of Samsung Galaxy J7 Duo and Coolpad Mega 3

Comparison of Samsung Galaxy J7 Duo and Coolpad Mega 3 [S]ave

Attribute
Samsung Galaxy J7 Duo ×
Coolpad Mega 3 ×
General
BrandSamsungCoolpad
Launch
Announced2018-04-012016-12-01
Body
Width (mm)8.28.2
Length (mm)153.5152
Height (mm)77.277
Weight (g)174170
SIMSingle SIM (Micro-SIM)Triple SIM (Nano-SIM, triple stand-by)
Network
Technology
  • GSM
  • HSPA
  • LTE
  • GSM
  • HSPA
  • LTE
2G bands
  • GSM 850 / 900 / 1800 / 1900
  • GSM 900 / 1800 / 1900
3G bands
  • HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • HSDPA 850 / 900 / 1900 / 2100 - International
  • HSDPA 900 / 2100
4G bands
  • 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 38, 40, 41, 66
  • 1, 3, 5, 7, 8, 20, 38, 40, 41 - International
  • 1, 3, 5, 7, 20, 40
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Platform
OSAndroid 8.0 (Oreo)Android 6.0 (Marshmallow)
ChipsetExynos 7885 (14 nm)Mediatek MT6737 (28 nm)
CPUOcta-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)Quad-core 1.2 GHz Cortex-A53
GPUMali-G71Mali-T860
Memory
Card slotmicroSDXC (dedicated slot)microSDHC (dedicated slot)
Internal
  • 32GB 3GB RAM
  • 32GB 4GB RAM
  • 16GB 2GB RAM
Display
Size (in)5.55.5
Resolution (px)720 x 1280720 x 1280
Protection-Scratch-resistant glass
Display TypeSuper AMOLEDIPS LCD
Battery
TypeLi-IonLi-Po
Capcity (mAh)30003050
Main Camera
Main Camera TypeDualSingle
Main Camera Properties
  • 13 MP, f/1.9, AF
  • 5 MP, f/1.9, (depth)
  • 8 MP, f/2.2, AF
Main Camera Video1080p@30fps720p@30fps
Main Camera FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Selfie Camera
Selfie Camera TypeSingleSingle
Selfie Camera Properties
  • 8 MP, f/1.9
  • 8 MP, f/2.2
Selfie Camera Video1080p@30fps720p
Selfie Camera FeaturesLED flashLED flash
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth4.2, A2DP, LE4.0, A2DP
GPS++
NFC--
RadioFM radioStereo FM radio; recording
USBmicroUSB 2.0microUSB 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • Accelerometer
  • proximity
Misc
Colors
  • Black
  • Blue
  • Gold
  • Rose Gold
  • White
  • Champagne White
  • Gold White
  • Moondust Grey
Models
  • SM-J720F
  • SM-J720F/DS
  • SM-J720M
  • SM-J720M/DS
  • 3503I
SAR EU Head (W/kg)0.540.68
SAR EU Body (W/kg)1.40.66
Stand-by (h)-200
Talk time (h)-Up to 8 h (3G)



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