Phone Comparison - Samsung Galaxy Axiom R830 vs Xiaomi Redmi Note 2 vs Xiaomi Mi 4i

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced November 2012 August 2015 April 2015
Status Released - November 2012 Available - August 2015 Available - April 2015
Price - Rs. 9,700 ($141.99) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Blue Black, White, Yellow, Mint Green, Blue Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 121.7 x 63.8 x 11.9 mm
(4.79 x 2.51 x 0.47 in)
152 x 76 x 8.3 mm
(5.98 x 2.99 x 0.33 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 136.1 g (4.8.0.04 oz) 160 g (5.64 oz) 130 g (4.59 oz)
2G Network CDMA 800 / 1700 / 1900 / 2100 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network CDMA2000 1xEV-DO HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v5.0 (Lollipop) based MIUI 7 Android OS, v5.0 (Lollipop)
Processor Dual-core 1.2 GHz Krait, Qualcomm Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU - PowerVR G6200 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 4 GB ROM (1.85 GB user available) 16 GB 16/32 GB
External Memory microSD, up to 32 GB Yes No

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 5.5 inches 5.0 inches
Resolution 480 x 800 pixels (233 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 58.77% 72.02% 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, 2592x1944 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 720p 1080p@30fps 1080p@30fps
Front Camera Yes, 1.3 MP [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G EV-DO Rev. A, up to 3.1 Mbps; LTE TD-SCDMA HSPA, LTE
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB ROM (1.85 GB user available), 1 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB Yes No
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 supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Po Battery Li-Po Battery
Capacity 2100 mAh 3060 mAh 3120 mAh
Stand by Up to 252 h - -
Talk Time Up to 8 h - -