Phone Comparison - Nokia Lumia 830 vs Samsung Galaxy A7 vs Xiaomi Mi 4i

general General Info

Manufacturer Nokia Samsung Xiaomi
Announced September 2014 Expected Announcement - December 2014 April 2015
Status Available - September 2014 Rumored - January 2015 Available - April 2015
Price - Rs. 19,499 ($286.75) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Orange, green, white, black Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 139.4 x 70.7 x 8.5 mm
(5.49 x 2.78 x 0.33 in)
150.9 x 75.9 x 6.3 mm
(5.94 x 2.99 x 0.25 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 150 g (5.29 oz) 133 g (4.69 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 900 / 1800 / 2100 / 2600 LTE LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features ClearBlack display - -

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 Android OS, v4.4.4 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 305 Adreno 405 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 16 GB 16 GB 16/32 GB
External Memory microSD, up to 128 GB microSD, up to 64 GB No

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 69.80% 72.64% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 10 MP, Carl Zeiss Optics 12 MP, 4608 x 2592 pixels 13 MP, 4128 x 3096 pixels
Flash LED Flash LED flash LED flash
Features Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video 1080p@30fps, optical stabilization, stereo sound rec. 1080p@30fps 1080p@30fps
Front Camera 0.9 MP, 720p [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Up to 296 kbps Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth v4.0, A2DP v4.0, A2DP, EDR, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 64 GB No

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 Li-Ion Battery (BV-L4A) Non-removable Li-Ion battery Li-Po Battery
Capacity 2200 mAh 2600 mAh 3120 mAh
Stand by Up to 528 h - -
Talk Time Up to 12 h 54 min (2G)
Up to 14 h 48 min (3G)
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