Phone Comparison - Microsoft Lumia 640 XL LTE Dual SIM vs Xiaomi Redmi Note 4X

Microsoft Lumia 640 XL LTE Dual SIM
microsoft lumia 640 xl lte dual sim
Xiaomi Redmi Note 4X
xiaomi redmi note 4x
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general General Info

Manufacturer Microsoft Xiaomi
Announced March 2015 February 2017
Status Available - April 2015 Available - February 2017
Price Rs. 14,999 ($220.57) [Similarly Priced] Rs. 12,750 ($180.00) [Similarly Priced]
Colors Matte cyan, Orange, Black, Matte white, Glossy white Gold, Silver, Gray
Form Factor Candybar Candybar
Dimension 157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
151 x 76 x 8.35 mm
(5.94 x 2.99 x 0.33 in)
Weight 171 g (6.03 oz) 175 g (6.17 oz)
SIM Type - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 2100
4G Network LTE LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Fingerprint Sensor
- Infrared Sensor
Notification LED - Yes

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v6.0.1 (Marshmallow)
User Interface - MIUI 8
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 [Similar]
GPU Adreno 305 [Similar] Adreno 506 [Similar]
RAM 1 GB [Browse Similar] 4 GB [Browse Similar]
Internal Memory 8 GB 64 GB
External Memory microSD, up to 128 GB microSD, up to 256 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD Capacitive Touchscreen, Gorilla Glass Protection
Colors 16M colors 16M colors
Size 5.7 inches [Similar] 5.5 inches [Similar]
Resolution 720 x 1280 pixels (259 ppi) [Similar] 1080 x 1920 pixels (401 ppi) [Similar]
Screen-to-Body Ratio 68.88% 72.50%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels [Similar] 13 MP [Similar]
Flash LED Flash Dual-LED (Dual Tone)
Features Carl Zeiss Optics, 1/3'' sensor size Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 2160p@30fps, 1080p@30fps, 720p@120fps
Front Camera 5 MP, 1080p [Similar] 5 MP, 1080p, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.0, A2DP Yes, v4.2
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS
Browser HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 64 GB, 4 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 256 GB
USB OTG - Yes

Apps Sensors

Fingerprint fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 4100 mAh
Stand by Up to 936 h (2G)
Up to 936 h (3G)
-
Talk Time Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)
-