Phone Comparison - Asus Zenfone 6 vs Sony Xperia T2 Ultra vs Microsoft Lumia 640 XL Dual SIM

general General Info

Manufacturer Asus Sony Microsoft
Announced January 2014 January 2014 March 2015
Status Available - June 2014 Available - January 2014 Available - April 2015
Price - - Rs. 12,999 ($191.16) [Similarly Priced]
Colors Black, White, Red, Gold Black, White, Purple Matte cyan, Orange, Black, Matte white, Glossy white
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)
165.2 x 83.8 x 7.7 mm
(6.5 x 3.3 x 0.3 in)
157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
Weight 196 g (6.91 oz) 171.7 g / 172.4 g (6.03.0.25 oz / 6.07.0.14 oz) 171 g (6.03 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 - D5303
HSDPA 850 / 900 / 1700 / 1900 / 2100 - D5306
HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 - D5303 -
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, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.3 (Jelly Bean) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Dual-core 2 GHz, Intel Atom Z2580 Quad-core 1.4 GHz, Qualcomm MSM8928 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU PowerVR SGX544MP2 - Adreno 305
RAM 1/2 GB 1 GB 1 GB
Internal Memory 8/16/32 GB 8 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 TFT capacitive touchscreen, TRILUMINOS™ Display, Mobile BRAVIA engine 2 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 6.0 inches 5.7 inches
Resolution 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (259 ppi)
Screen-to-Body Ratio 70.40% 71.55% 68.88%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio with RDS 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 13 MP, 4128 x 3096 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, Image Stabilization, HDR, Sweep Panorama Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size
Video Yes Yes, 1080p@30fps, video stabilization, HDR 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 1.1 MP, 720p@30fps [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 296 kbps Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps
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 Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 8/16/32 GB, 1/2 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB microSD, up to 128 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 supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Ion Battery Li-Ion Battery
Capacity 3300 mAh 3000 mAh 3000 mAh
Stand by Up to 398 h (3G) Up to 1071 h (2G)
Up to 1046 h (3G)
Up to 936 h (2G)
Up to 936 h (3G)
Talk Time Up to 28 h (3G) Up to 14 h (2G)
Up to 24 h (3G)
Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)