Phone Comparison - Nokia Lumia 925 vs Samsung I9506 Galaxy S4 vs Xiaomi Mi 4i

general General Info

Manufacturer Nokia Samsung Xiaomi
Announced May 2013 Q3 2013 April 2015
Status Available - June 2013 Available - Q3 2013 Available - April 2015
Price - - Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black, White White Frost, Black Mist / Arctic Blue, Red Aurora Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 129 x 70.6 x 8.5 mm
(5.08 x 2.78 x 0.33 in)
136.6 x 69.8 x 7.9 mm
(5.38 x 2.75 x 0.31 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 139 g (4.9 oz) 130 g (4.59 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - RM-892, RM-893
HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-910
HSDPA 850 / 900 / 1900 / 2100 HSDPA HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 900 / 1800 / 2100 / 2600 - RM-892
LTE 700 / 1700 / 2100 - RM-893
LTE 800 / 850 / 900 / 1800 / 2100 / 2600 LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.2.2 (Jelly Bean) Android OS, v5.0 (Lollipop)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 225 Adreno 330 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 16/32 GB storage 16/32 GB 16/32 GB
External Memory No microSD, up to 64 GB No

display Display

Type AMOLED capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 5.0 inches
Resolution 768 x 1280 pixels (332 ppi) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 63.18% 72.15% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8.7 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash Dual-LED flash LED flash LED flash
Features PureView Technology, Geo-tagging, Touch Focus, Optical image stabilization, Still image editor, Face recognition Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps, video stabilization Yes, 1080p@30fps, dual-video rec. 1080p@30fps
Front Camera Yes, 1.2 MP wide Angle, 720p@30fps [Similar] Yes, 2 MP,1080p@30fps, dual video call [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 Up to 236.8 kbps Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA, LTE
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP, EDR, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB storage, 1 GB RAM 16/32 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB 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 supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery (BL-4YW) Li-Ion Battery Li-Po Battery
Capacity 2000 mAh 2600 mAh 3120 mAh
Stand by Up to 440 h (3G) Up to 370 h (3G) -
Talk Time Up to 18 h 18 min (2G)
Up to 12 h 48 min (3G)
Up to 17 h (3G) -