Phone Comparison - Nokia Lumia 635 vs Lenovo A7000 vs Xiaomi Mi 4i

general General Info

Manufacturer Nokia Lenovo Xiaomi
Announced April 2014 March 2015 April 2015
Status Available - May 2014 Available - May 2015 Available - April 2015
Price - Rs. 8,400 ($123.53) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Orange, Yellow, White, Black Onyx Black, Pearl White Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
152.6x 76.2 x 7.9 mm
(6.01x 3 x 0.31 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 134 g (4.73 oz) 140 g (4.94 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 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 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE 700 / 900 / 1800 LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - Dolby Atmos -

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 Android OS, v5.0 (Lollipop) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Octa-core 1.5 GHz Cortex-A53, Mediatek MT6572M Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 305 Mali-T760MP2 Adreno 405
RAM 512 MB 2 GB 2 GB
Internal Memory 8 GB 8 GB 16/32 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB; SD cards No

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.5 inches 5.0 inches
Resolution 480 x 854 pixels (218 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 64.43% - 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash No LED flash LED flash
Features Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 720p@30fps 1080p@30fps 1080p@30fps
Front Camera No [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP, EDR v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 512 MB RAM 8 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB; SD cards No

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 Li-Po Battery Li-Po Battery
Capacity 1830 mAh 2900 mAh 3120 mAh
Stand by Up to 648 h Up to 264 h (2G)
Up to 264 h (3G)
Up to 288 h (4G)
-
Talk Time Up to 12 h (2G)
Up to 14 h (3G)
Up to 39 h (2G)
Up to 16 h (3G)
-