Phone Comparison - Asus Padfone vs Asus Zenfone 6 vs Asus Zenfone 2 ZE551ML

general General Info

Manufacturer Asus Asus Asus
Announced February 2012 January 2014 January 2015
Status Available - July 2012 Available - June 2014 Available - March 2015
Price - - Rs. 14,999 ($220.57) [Similarly Priced]
Colors Black Black, White, Red, Gold Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic Whit
Form Factor Candybar Candybar Candybar
Dimension 128 x 65.4 x 9.2 mm
(5.04 x 2.57 x 0.36 in)
166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
Weight 129 g (4.55 oz) 196 g (6.91 oz) 170 g (6 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - 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, v4.0 (Ice Cream Sandwich), upgradeable to 4.1 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8260A Snapdragon Dual-core 2 GHz, Intel Atom Z2580 Quad-core 2.3 GHz
Quad-core 1.8 GHz, Intel Atom Z3580
Intel Atom Z3560
GPU Adreno 225 PowerVR SGX544MP2 PowerVR G6430
RAM 1 GB 1/2 GB 2/4 GB
Internal Memory 16/32/64 GB storage 8/16/32 GB 16/32/64 GB
External Memory microSD, up to 32GB microSD, up to 64 GB microSD, up to 64 GB

display Display

Type Capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 6.0 inches 5.5 inches
Resolution 540 x 960 pixels (256 ppi) 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 60.96% 70.40% 70.67%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No Yes
Games Yes 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 No LED flash dual-LED (dual tone)
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes Yes 1080p@30fps
Front Camera Yes [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v2.1 with A2DP Yes, v4.0 with A2DP, EDR v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, v2.0 Yes, microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML, Adobe Flash HTML HTML5

memory User Memory

Internal 16/32/64 GB storage, 1 GB RAM 8/16/32 GB, 1/2 GB RAM 16/32/64 GB, 2/4 GB RAM
Expandable Storage microSD, up to 32GB microSD, up to 64 GB microSD, up to 64 GB
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 supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 1520 mAh 3300 mAh 3000 mAh
Stand by Up to 360 h (2G)
Up to 370 h (3G)
Up to 398 h (3G) -
Talk Time Up to 15 h 40 min (2G)
Up to 8 h (3G)
Up to 28 h (3G) -