Microsoft Lumia 640 Dual SIM vs Oppo A31 (2015)
_big.jpg)
Microsoft Lumia 640 Dual SIM
Oppo A31 (2015)
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPA 850, 900, 1900, 2100TD-SCDMA 1880, 2010
-
HSDPA speed42.2 Mbps-
-
HSUPA speed5.76 Mbps-
-
LTE speed-LTE, Cat4, 150 Mbps download, 50 Mbps upload
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2015-32015-4
-
Status2015-42015
-
Design
-
SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by)
-
Height141.3 mm131.9 mm
-
Width72.2 mm65.5 mm
-
Thickness8.8 mm8 mm
-
Weight145 g135 g
-
ColorsGlossy cyan, Matte black, Orange, WhiteBlue, White
-
Display
-
Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
-
Physical size5.0 inches4.5 inches
-
Resolution720 x 1280 pixels480 x 854 pixels
-
Pixel density294 ppi218 ppi
-
Display colors1677721616777216
-
Hardware
-
CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core ARM Cortex-A53
-
ChipsetQualcomm Snapdragon 400Qualcomm MSM8916 Snapdragon 410
-
GPUAdreno 305Adreno 306
-
Memory RAM1 GB1 GB
-
Internal storage8 GB8 GB
-
Memory cardmicroSDmicroSD
-
Memory card max128 GB128 GB
-
OS
-
OSMicrosoft Windows Phone 8.1 with Lumia DenimAndroid OS, v4.4 (KitKat)
-
Main camera
-
Main camera8 MP8 MP
-
Primary camera resolution3264 x 2448 pixels3264 x 2448 pixels
-
Primary camera video1080p@30fps1080p@30fps
-
Primary camera Autofocusautofocusautofocus
-
Primary camera flashLED flashLED flash
-
Camera features1/4'' sensor sizeGeo-tagging
-
Selfie camera
-
Selfie camera1 MP5 MP
-
Selfie camera video720p-
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration; MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
Multimedia
-
Radio FMFM radio-
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi
-
WLAN WiFi HotspotYes-
-
WLAN DLNAYes-
-
USBmicroUSB 2.0microUSB 2.0
-
Bluetoothv4.0v4.0
-
Bluetooth A2DPYes-
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASSYes-
-
GPS NavigatorBeidou-
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IMIM-
-
Messaging Push EmailPush EmailPush Email
-
JavaNoNo
-
SensorsAccelerometer, compass, proximityAccelerometer, proximity
-
Browser
-
HTMLHTML5Yes
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity2500 mAh2000 mAh
-
Talk time-7 h
-
Talk time 2G27 h 30 min-
-
Talk time 3G20 h 30 min-
-
Standby time-240 h
-
Standby time 2G840 h-
-
Standby time 3G840 h-
_small.jpg)
_small.jpg)
