Phone Comparison - Panasonic P51 vs Lenovo P70 vs Xiaomi Mi 4i

general General Info

Manufacturer Panasonic Lenovo Xiaomi
Announced May 2013 September 2014 April 2015
Status Available - May 2013 Available - September 2014 Available - April 2015
Price - Rs. 11,199 ($164.69) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black, White Midnight Blue Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
142 x 71.8 x 8.9 mm
(5.59 x 2.83 x 0.35 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 135 g (4.76 oz) 149 g (5.26 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE FDD 800MHz / LTE 1800MHz / 2100MHz / 2600MHz LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A7, MTK MT6589 Octa-core 1.7 GHz, Mediatek MT6752 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU PowerVR SGX544 Mali T760-MP2 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 4 GB storage 16 GB 16/32 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB No

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 63.69% 67.47% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 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 Auto focus, Sony IMX135 CMOS Sensor, f/2.2 Aperture, Geo-tagging, Touch Focus, Face Detection, HDR, Cinemagraph, Object Eraser Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 1.3 MP, 720p [Similar] Yes, 5 MP, 720p, OV5648 Sensor, f/2.4 Ap [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 11 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA, LTE
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP v4.0, A2DP
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 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB storage, 1 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 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 not supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery - Li-Po Battery
Capacity 2500 mAh 4000 mAh 3120 mAh
Stand by - - -
Talk Time - - -