Phone Comparison - Apple iPhone 4S vs Apple iPhone 4 vs Xiaomi Redmi Note

general General Info

Manufacturer Apple Apple Xiaomi
Announced October 2011 June 2010 March 2014
Status Available - October 2011 Available - June 2010 Available - March 2014
Colors Black, White Black, White Various
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 140 g (4.94 oz) 137 g (4.83 oz) 199 g (7.02 oz)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS iOS 5 iOS 4, upgradable to iOS 5 Android OS, v4.2 (Jelly Bean)
Processor 1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset 1 GHz Cortex-A8, Apple A4 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU PowerVR SGX543MP2 PowerVR SGX535 Mali-450MP4
RAM 512 MB 512 MB 1/2 GB
Internal Memory 16/32/64 GB storage 8/16/32 GB storage 8 GB
External Memory No No microSD, up to 32 GB

display Display

Type LED-backlit IPS TFT LED-backlit IPS TFT, capacitive touchscreen IPS LCD capacitive touchscreen
Colors capacitive touchscreen 16M colors 16M colors
Size 3.5 inches 3.5 inches 5.5 inches
Resolution 640 x 960 pixels (330 ppi) 640 x 960 pixels (330 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 53.92% 53.92% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No FM Radio
Games Downloadable, incl. motion-bas Yes + downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592 x 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR Auto focus, Touch Focus, Geo-tagging, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging Yes, 720p@30fps, LED video light, geo-tagging 1080p@30fps
Front Camera Yes, VGA [Similar] Yes, videocalling over Wi-Fi only [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes
Edge Yes Class 10, 236.8 kbps Yes
3G HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSPA+
Bluetooth Yes, v4.0 with A2DP Yes, v2.1 with A2DP 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 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 Yes, v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS
Browser HTML (Safari) HTML (Safari) HTML5

memory User Memory

Call Records 100 received, dialed and missed calls Practically unlimited Practically unlimited
Internal 16/32/64 GB storage, 512 MB RAM 8/16/32 GB storage, 512 MB RAM 8 GB, 1/2 GB RAM
Expandable Storage No No microSD, up to 32 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 Standard battery, Li-Po Li-Po Battery
Capacity 1432 mAh 1420 mAh 3100 mAh
Stand by Up to 200 h (2G)
Up to 200 h (3G)
Up to 300 h (2G)
Up to 300 h (3G)
-
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 14 h (2G)
Up to 7 h (3G)
-