Microsoft Lumia 640 LTE Dual SIM vs Uhans i8
Microsoft Lumia 640 LTE Dual SIM
Uhans i8
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 900, 2100
-
4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 18(800)
-
HSDPA speed42.2 Mbps-
-
HSUPA speed5.76 Mbps-
-
LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat4, 150 Mbps download, 51 Mbps upload
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2015-32017-7
-
Status2015-42017-7
-
Design
-
Build-Metal, plastic
-
SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
-
Height141.3 mm152.7 mm
-
Width72.2 mm71.8 mm
-
Thickness8.8 mm10 mm
-
Weight145 g205 g
-
ColorsGlossy cyan, Matte black, Orange, WhiteBlack, Blue, Gold
-
Display
-
Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
-
Physical size5.0 inches5.7 inches
-
Resolution720 x 1280 pixels720 x 1440 pixels
-
Pixel density294 ppi282 ppi
-
Display colors1677721616777216
-
Protection-2.5D curved glass screen, GFF full lamination
-
Multitouch-Yes
-
Hardware
-
CPU-Octa-core
-
CPUQuad-core 1.2 GHz ARM Cortex-A7Quad-core 1.5 GHz Cortex-A53
-
CPU(second)quad-core 1.0 GHz Cortex-A53
-
ChipsetQualcomm Snapdragon 400Mediatek MT6750T
-
GPUAdreno 305Mali-T860 MP2
-
Memory RAM1 GB4 GB
-
Internal storage8 GB64 GB
-
Memory cardmicroSDmicroSD, microSDHC, microSDXC
-
Memory card max128 GB128 GB
-
OS
-
OSMicrosoft Windows Phone 8.1 with Lumia DenimAndroid OS, v7.0 Nougat
-
Main camera
-
Camera type-Dual
-
Main camera8 MP16 MP, f/2.0
-
3 MP
-
Primary camera resolution3264 x 2448 pixels4608 x 3456 pixels
-
Primary camera video1080p@30fps1080p@30fps
-
Primary camera Autofocusautofocus-
-
Primary camera flashLED flashdual-LED flash
-
Camera features1/4'' sensor sizeAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
-
Selfie camera
-
Selfie camera1 MP8 MP
-
Selfie camera resolution-3264 x 2448 pixels
-
Selfie camera video720p480p@30fps
-
Sound
-
3.5mm jackYesNo
-
LoudspeakerYesYes
-
NotificationsVibration; MP3, WAV ringtones-
-
Headphone adapter-Yes
-
Multimedia
-
Radio FMFM radioFM radio
-
Connectivity
-
WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
-
WLAN WiFi HotspotYesYes
-
WLAN WiFi Direct-Yes
-
WLAN DLNAYes-
-
USBmicroUSB 2.0Type-C reversible connector
-
USB On-The-Go-Yes
-
Bluetoothv4.0v4.0
-
Bluetooth A2DPYesYes
-
GPSYes, with A-GPSYes, with A-GPS
-
GLONASSYesYes
-
GPS NavigatorBeidou-
-
Features
-
Messaging SMSSMS(threaded view)-
-
Messaging MMSMMS-
-
Messaging EmailEmail-
-
Messaging IMIM-
-
Messaging Push EmailPush Email-
-
JavaNo-
-
SensorsAccelerometer, compass, proximityAccelerometer, fingerprint, light, proximity
-
Browser
-
HTMLHTML5HTML5
-
Battery
-
Battery typeLi-IonLi-Po
-
Battery capacity2500 mAh3500 mAh
-
Battery removable-Non-removable
-
Talk time 2G26 h 30 min-
-
Talk time 3G17 h 30 min-
-
Standby time 2G864 h-
-
Standby time 3G864 h-
