Phone Comparison - Asus PadFone X vs Asus Zenfone 2 ZE551ML vs Asus Zenfone C ZC451CG

general General Info

Manufacturer Asus Asus Asus
Announced March 2014 January 2015 January 2015
Status Coming Soon - Q2 2014 Available - March 2015 Available - February 2015
Price - Rs. 14,999 ($220.57) [Similarly Priced] Rs. 5,999 ($88.22) [Similarly Priced]
Colors Titanium Black, Platinum White Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit Charcoal Black, Pearl White, Cherry Red
Form Factor Candybar Candybar Candybar
Dimension 143.4 x 72.5 x 10 mm
(5.65 x 2.85 x 0.39 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
136.5 x 67 x 10.9 mm
(5.37 x 2.64 x 0.43 in)
Weight 150 g (5.29 oz) 170 g (6 oz) 149 g (5.26 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
-
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop) Android OS, v4.4.2 (KitKat)
Processor Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 2.3 GHz
Quad-core 1.8 GHz, Intel Atom Z3580
Intel Atom Z3560
Dual-core 1.2 GHz, Intel Atom Z2520
GPU Adreno 330 PowerVR G6430 PowerVR SGX544MP2
RAM 2 GB 2/4 GB 1 GB
Internal Memory 16 GB 16/32/64 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 64 GB

display Display

Type Super IPS+ LCD capacitive touchscreen IPS Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 4.5 inches
Resolution 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (401 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 66.16% 70.67% 60.85%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash dual-LED (dual tone) LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Yes
Video Yes, 1080p@30fps 1080p@30fps Yes
Front Camera Yes, 2 MP, 1080p@30fps [Similar] 5 MP [Similar] VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSPA+, 42 Mbps; HSDPA, 21 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 42.2/5.76 Mbps
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP, EDR v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 (SlimPort), USB Host 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 HTML

memory User Memory

Internal 16 GB, 2 GB RAM 16/32/64 GB, 2/4 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB 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 Non-removable Li-Po Battery Non-removable Li-Po Battery Li-Ion Battery
Capacity 2300 mAh 3000 mAh 2100 mAh
Stand by - - -
Talk Time - - -