Phone Comparison - Asus Zenfone 6 vs Lenovo Vibe X2 vs HTC Desire 820s dual sim

general General Info

Manufacturer Asus Lenovo HTC
Announced January 2014 September 2014 March 2015
Status Available - June 2014 Available - October 2014 Available - March 2015
Price - - Rs. 27,900 ($410.29) [Similarly Priced]
Colors Black, White, Red, Gold White, Gold, Red, Dark Grey Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu
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)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 196 g (6.91 oz) 120 g (4.23 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
TD-SCDMA 1900 / 2000
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 1800 / 2100 / 2600 LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600
(Bands 1, 3, 7, 8, 38, 39, 40, 41)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Dual-core 2 GHz, Intel Atom Z2580 Octa-core 2.0 GHz, MediatTek MT6595m True8Core Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752
GPU PowerVR SGX544MP2 PowerVR G600 Mali-T760MP2
RAM 1/2 GB 2 GB 2 GB
Internal Memory 8/16/32 GB 32 GB 16 GB
External Memory microSD, up to 64 GB No microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 5.0 inches 5.5 inches
Resolution 720 x 1280 pixels (245 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 70.40% 71.52% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No - 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, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML5

memory User Memory

Internal 8/16/32 GB, 1/2 GB RAM 32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB No microSD, up to 32 GB

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 Non-removable Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 3300 mAh 2300 mAh 2600 mAh
Stand by Up to 398 h (3G) Up to 228 h (2G)
Up to 216 h (3G)
Up to 560 h (3G)
Talk Time Up to 28 h (3G) Up to 17 h (2G)
Up to 19 h (3G)
Up to 12 h 10 min (3G)