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Karbonn Titanium Wind W4 vs Microsoft Lumia 640 LTE Dual SIM

Karbonn Titanium Wind W4 vs Microsoft Lumia 640 LTE Dual SIM


Karbonn Titanium Wind W4

Microsoft Lumia 640 LTE Dual SIM

Price
EUR: N/AEUR: €150
USD: N/AUSD: N/A
GBP: N/AGBP: N/A
INR: N/AINR: N/A
PKR: N/APKR: N/A
Body
Form Factor
Candybar, TouchscreenCandybar, Touchscreen
Dimensions
125.1 x 64.3 x 11 mm (4.93 x 2.53 x 0.43 in)141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight
-145 g (5.11 oz)
Colors
Black,White, RedGlossy cyan, Orange, White, Matte black
Display
Type
TFT, 256K colorsIPS LCD

ClearBlack display
Size
4.0 inches, 45.5 cm2 (~56.6% screen-to-body ratio)5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Multitouch
YesYes
Protection
Corning Gorilla Glass 3
Network
Technology
GSM / HSPAGSM / HSPA / LTE
2G Bands
GSM 900 / 1800 / 1900 SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2
3G Bands
HSDPA 2100HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
Notifications
Alert Types
Vibration, MP3, WAV ringtonesVibration, MP3, WAV ringtones
Memory
Internal Memory
4GB ROM, 512MB RAM8GB ROM, 1GB RAM
Storage Type
eMMC 4.5
Card Slot
microSDHCmicroSDXC (dedicated slot)
Connectivity
GPRS
YesYes
EDGE
YesYes
Speed
HSPAHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
WLAN
Wi-Fi 802.11 b/g/n, hotspotWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
2.04.0, A2DP
USB
microUSB 2.0microUSB 2.0
GPS
Yes, with A-GPSYes, with A-GPS, GLONASS, BDS
NFC
NoYes
Camera
Main Camera
5 MP, AF8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Camera Features
LED flashLED flash
Video
Yes1080p@30fps
Selfie Camera
VGA1 MP

Video: 720p
Multimedia
Audio Format Support
MP3/WAV/eAAC+MP3/WAV/eAAC+/WMA
Video Format Support
MP4/H.264MP4/H.264/WMV
Radio
FM radioFM radio
Software
Operating System (OS)
Microsoft Windows Phone 8.1Microsoft Windows Phone 8.1
Upgradable
Upgradable to Microsoft Windows 10
Browser
HTMLHTML5
Messaging
SMS(threaded view), MMS, Email, Push Email, IMSMS(threaded view), MMS, Email, Push Email, IM
Hardware
Chipset
Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU
Quad-core 1.2 GHzQuad-core 1.2 GHz Cortex-A7
GPU
Adreno 305
Sensors
YesAccelerometer, proximity, compass
SIM
Dual SIMDual SIM (Micro-SIM, dual stand-by)
Speakers
YesYes
Audio Jack
3.5 mm3.5 mm
Battery
Battery Type
Li-Ion 1950 mAh, removableLi-Ion 2500 mAh, removable
Standby
Up to 240 hUp to 864 h (2G) / Up to 864 h (3G)
Talk Time
Up to 8 hUp to 26 h 30 min (2G) / Up to 17 h 30 min (3G)

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