Phone Comparison - Microsoft Lumia 640 Dual SIM vs Huawei Y6 Pro vs Xiaomi Redmi 5a

general General Info

Manufacturer Microsoft Huawei Xiaomi
Announced March 2015 February 2016 October 2017
Status Available - April 2015 Available - February 2016 Available - October 2017
Price Rs. 8,999 ($132.34) [Similarly Priced] - Rs. 4,999 ($90.00) [Similarly Priced]
Colors Yes Gold, White, Gray Gold, Rose Gold, Gray
Form Factor Candybar Candybar Candybar
Dimension 141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
143.1 x 71.8 x 9.7 mm
(5.63 x 2.83 x 0.38 in)
140.4 x 70.1 x 8.4 mm
(5.53 x 2.76 x 0.33 in)
Weight 145 g (5.11 oz) 160 g (5.64 oz) 137 g (4.83 oz)
SIM Type - - Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 - TIT-AL00
HSDPA 850 / 900 / 1900 / 2100 - TIT-U02
HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) - TIT-AL00 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
SAR EU - W/kg (head)
- W/kg (body)
0.34 W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Notification LED - - Yes

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.1.1 (Lollipop) Android 7.1 (Nougat)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.3 GHz Cortex-A53, Mediatek MT6735P Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425
GPU Adreno 305 Mali-T720MP2 Adreno 308
RAM 1 GB 2 GB 2 GB
Internal Memory 8 GB 16 GB 16 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot)

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 67.43% 66.95% 69.89%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels 13 MP
Flash LED flash LED Flash LED Flash
Features Auto focus, 1/4'' Sensor Size Autofocus, f/2.0, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video 1080p@30fps Yes 1080p@30fps
Front Camera 1 MP, 720p [Similar] 5 MP [Similar] 5 MP, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps HSPA, LTE HSPA, LTE, VoLTE
Bluetooth v4.0, A2DP v4.0, A2DP, LE 4.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB 2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 16 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot)
USB OTG - - Supported

Apps Sensors

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

battery Battery

Type Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 2500 mAh 4000 mAh 3000 mAh
Stand by Up to 840 h (2G)
Up to 840 h (3G)
- -
Talk Time Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
- -