Phone Comparison - Apple iPhone 4 vs Nokia Lumia 625 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Apple Nokia Xiaomi
Announced June 2010 July 2013 August 2014
Status Available - June 2010 Available - August 2013 Available - November 2014
Colors Black, White Orange, Bright green, Yellow, Black and white Black/White
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
133.2 x 72.2 x 9.2 mm
(5.24 x 2.84 x 0.36 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 137 g (4.83 oz) 159 g (5.61 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA TD-SCDMA 1900 / 2000
4G Network - LTE TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS iOS 4, upgradable to iOS 5 Microsoft Windows Phone 8 Android OS, v4.2 (Jelly Bean)
Processor 1 GHz Cortex-A8, Apple A4 Dual-core 1.2 GHz Krait, Qualcomm MSM8930 Snapdragon Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU PowerVR SGX535 Adreno 305 Adreno 305
RAM 512 MB 512 MB 2 GB
Internal Memory 8/16/32 GB storage 8 GB 8 GB
External Memory No microSD, up to 64 GB microSD, up to 64 GB

display Display

Type LED-backlit IPS TFT, capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 4.7 inches 5.5 inches
Resolution 640 x 960 pixels (330 ppi) 480 x 800 pixels (199 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 53.92% 65.05% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592х1936 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Touch Focus, Geo-tagging, HDR Auto focus, Touch focus, Landscape orientation, Auto and manual exposure, Auto and manual white balance, Active toolbar, Full screen viewfinder, Geotagging Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 720p@30fps, LED video light, geo-tagging Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, videocalling over Wi-Fi only [Similar] Yes, VGA [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes Yes
Edge Class 10, 236.8 kbps Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL TD-SCDMA; LTE
Bluetooth Yes, v2.1 with A2DP Yes, v4.0 with A2DP, LE v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Internal 8/16/32 GB storage, 512 MB RAM 8 GB, 512 MB RAM 8 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 64 GB
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 Standard battery, Li-Po Non-removable Li-Ion Battery Li-Po Battery
Capacity 1420 mAh 2000 mAh 3200 mAh
Stand by Up to 300 h (2G)
Up to 300 h (3G)
Up to 552 h Up to 775 h (3G)
Talk Time Up to 14 h (2G)
Up to 7 h (3G)
Up to 23 h 54 min (2G)
Up to 15 h 12 min (3G)
Up to 38 h (2G)
Up to 14 h (3G)