Phone Comparison - Samsung I9100 Galaxy S II vs HTC Amaze 4G vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Samsung HTC Xiaomi
Announced February 2011 September 2011 August 2014
Status Available - April 2011 Available - October 2011 Available - November 2014
Colors Black, White, Pink Black, White Black/White
Form Factor Candybar Candybar Candybar
Dimension 125.3 x 66.1 x 8.5 mm
(4.93 x 2.6 x 0.33 in)
130 x 65.6 x 11.8 mm
(5.12 x 2.58 x 0.46 in)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 116 g (4.09 oz) 172.9 g (6.07.0.32 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 1700 / 2100 or HSDPA 1700 / 1900 / 2100
HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2000
4G Network - - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 Android OS, v2.3.4 (Gingerbread) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset Dual-core 1.5 GHz Scorpion, Qualcomm Snapdragon S3 APQ8060 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU Mali-400MP Adreno 220 Adreno 305
RAM 1 GB 1 GB 2 GB
Internal Memory 16 GB/32 GB storage 16 GB storage 8 GB
External Memory microSD, up to 32GB, 8 GB included microSD, up to 32GB microSD, up to 64 GB

display Display

Type Super AMOLED Plus capacitive touchscreen S-LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.3 inches 5.5 inches
Resolution 480 x 800 pixels (217 ppi) 540 x 960 pixels (256 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 63.52% 59.84% 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash dual-LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch-focus, Face Detection, SmartShot, BurstShot, SweepShot, ClearShot Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps Yes, 1080p 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA TD-SCDMA; LTE
Bluetooth Yes, v3.0+HS Yes, v3.0 with A2DP, EDR v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 microUSB (MHL), USB On-the-go Yes, microUSB (MHL) v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML HTML, Adobe Flash HTML5

memory User Memory

Internal 16GB/32GB storage, 1 GB RAM 16GB storage, 1 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32GB, 8 GB included microSD, up to 32GB 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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Po Battery
Capacity 1650 mAh 1730 mAh 3200 mAh
Stand by Up to 710 h (2G)
Up to 610 h (3G)
Up to 264 h Up to 775 h (3G)
Talk Time Up to 18 h 20 min (2G)
Up to 8 h 40 min (3G)
Up to 6 h Up to 38 h (2G)
Up to 14 h (3G)