Phone Comparison - Asus Zenfone 6 vs Asus Zenfone C ZC451CG vs Xiaomi Mi 4c

general General Info

Manufacturer Asus Asus Xiaomi
Announced January 2014 January 2015 September 2015
Status Available - June 2014 Available - February 2015 Available - September 2015
Price - Rs. 5,999 ($88.22) [Similarly Priced] Rs. 7,500 ($110.00) [Similarly Priced]
Colors Black, White, Red, Gold Charcoal Black, Pearl White, Cherry Red Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
136.5 x 67 x 10.9 mm
(5.37 x 2.64 x 0.43 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 196 g (6.91 oz) 149 g (5.26 oz) 132 g (4.66 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
TD-SCDMA 1900 / 2000
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2000
4G Network - - LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v5.1.1 (Lollipop)
Processor Dual-core 2 GHz, Intel Atom Z2580 Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU PowerVR SGX544MP2 PowerVR SGX544MP2 Adreno 418
RAM 1/2 GB 1 GB 2/3 GB
Internal Memory 8/16/32 GB 8 GB 16/32 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB No

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Scratch-Resistant Glass
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 4.5 inches 5.0 inches
Resolution 720 x 1280 pixels (245 ppi) 480 x 854 pixels (218 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 70.40% 60.85% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 5 MP, 2592 х 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash Dual-LED (dual tone)
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Yes Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes Yes 1080p@30fps, 480p@120fps
Front Camera Yes, 2 MP [Similar] VGA [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 8/16/32 GB, 1/2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2/3 GB RAM
Expandable Storage microSD, up to 64 GB 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 not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3300 mAh 2100 mAh 3080 mAh
Stand by Up to 398 h (3G) - -
Talk Time Up to 28 h (3G) - -