Phone Comparison - Nokia Lumia 620 vs Xiaomi Redmi 1S vs Asus Zenfone Zoom ZX550

general General Info

Manufacturer Nokia Xiaomi Asus
Announced December 2012 May 2014 January 2015
Status Available - January 2013 Available - May 2014 Coming Soon - Q2 2015
Price - - Rs. 37,999 ($558.81) [Similarly Priced]
Colors Lime green, orange, magenta, yellow, cyan, white, black Black, Chinese Red, Metallic Gray/ blue, green, yellow panels Meteorite black, Glacier white
Form Factor Candybar Candybar Candybar
Dimension 115.4 x 61.1 x 11 mm
(4.54 x 2.41 x 0.43 in)
137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
158.9 x 78.8 x 12 mm
(6.26 x 3.1 x 0.47 in)
Weight 127 g (4.48 oz) 158 g (5.57 oz) 185 g (6.53 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE 700/800/850/900/1700/1800/1900/2100/2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.3 (Jelly Bean) Android OS, v5.0 (Lollipop)
Processor Dual-core 1 GHz Krait, Qualcomm Snapdragon S4 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon Quad-core 2.3 GHz, Intel Atom Z3580
GPU Adreno 305 Adreno 305 PowerVR G6430
RAM 512 MB 1 GB 4 GB
Internal Memory 8 GB storage 8 GB 32/64/128 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2 IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 3.8 inches 4.7 inches 5.5 inches
Resolution 480 x 800 pixels (246 ppi) 720 x 1280 pixels (312 ppi) 1080 x 1920 pixels (403 ppi)
Screen-to-Body Ratio 58.06% 64.61% 65.79%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592х1936 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash Dual-tone Flash
Features Auto focus, Geo-tagging Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Optical Image Stabilization,Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 720p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, VGA [Similar] 1.3 MP, 720p@30fps [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class B Yes Yes
Edge Class B Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, HSUPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0 with A2DP, EDR v4.0, A2DP, LE v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB On-the-go microUSB v2.0, USB Host
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 storage, 512 MB RAM 8 GB, 1 GB RAM 32/64/128 GB, 4 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB microSD, up to 64 GB
USB OTG - Supported 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 supported NFC not supported NFC supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Non-removable Li-Po Battery
Capacity 1300 mAh (BL-4J) 2000 mAh 3000 mAh
Stand by Up to 330 h - -
Talk Time Up to 14 h 40 min (2G)
Up to 9 h 50 min (3G)
- -