PhoneBunch

Xiaomi Mi 4 vs Microsoft Lumia 640 LTE

General Info

Manufacturer
Xiaomi Microsoft
Announced
July 2014 March 2015
Status
Available - Q3 2014 Available - April 2015
Price
- Rs. 7,999 ($117.63) [Similarly Priced]
Colors
Black, White Yes
Form Factor
Candybar Candybar
Dimension
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight
149 g (5.26 oz) 145 g (5.11 oz)
2G Network
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G Network
LTE LTE
Messaging
SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors
16M colors 16M colors
Size
5.0 inches [Similar] 5.0 inches [Similar]
Resolution
1080 x 1920 pixels (441 ppi) [Similar] 720 x 1280 pixels (294 ppi) [Similar]
Screen-to-Body Ratio
72.14% 67.43%
Multi-Touch

Hardware and OS

OS
Android OS, v4.4.3 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim
Processor
Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 [Similar] Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar]
GPU
Adreno 330 [Similar] Adreno 305 [Similar]
RAM
3 GB [Browse Similar] 1 GB [Browse Similar]
Internal Memory
16/64 GB 8 GB
External Memory
No microSD, up to 128 GB

Camera

Rear Camera
13 MP, 4128 x 3096 pixels [Similar] 8 MP, 3264 x 2448 pixels [Similar]
Flash
Dual-LED Flash LED flash
Features
Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, 1/4'' Sensor Size
Video
2160p, 1080p@30fps, HDR 1080p@30fps
Front Camera
8 MP, 1080p@30fps [Similar] 1 MP, 720p [Similar]

Multimedia

3.5mm Jack
Radio
FM radio FM radio
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Yes Yes
Edge
Yes Yes
3G
DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth
v4.0, A2DP v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB
microUSB v2.0 (MHL), USB On-the-go microUSB v2.0
GPS
Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5 HTML5

User Memory

Internal
16/64 GB, 3 GB RAM 8 GB, 1 GB RAM
Expandable Storage
No microSD, up to 128 GB
USB OTG
Supported -

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Non-removable Li-Ion Battery Li-Ion Battery
Capacity
3080 mAh 2500 mAh
Stand by
- Up to 864 h (2G)
Up to 864 h (3G)
Talk Time
- Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
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