Phone Comparison - Sony Xperia Z vs Asus PadFone X vs ZTE Blade A520

general General Info

Manufacturer Sony Asus ZTE
Announced January 2013 March 2014 March 2017
Status Released - February 2013 Coming Soon - Q2 2014 Coming Soon - March 2017
Colors Black, White, Purple Titanium Black, Platinum White Gray
Form Factor Candybar Candybar Candybar
Dimension 139 x 71 x 7.9 mm
(5.47 x 2.8 x 0.31 in)
143.4 x 72.5 x 10 mm
(5.65 x 2.85 x 0.39 in)
144 x 71 x 8.4 mm
(5.67 x 2.8 x 0.33 in)
Weight 146 g (5.15 oz) 150 g (5.29 oz) 130 g (4.59 oz)
SIM Type - - Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - C6602, C6603 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100 - C6603
HSDPA 850 / 900 / 1700 / 1900 / 2100 - C6602
HSDPA HSDPA 900 / 1900 / 2100
4G Network LTE 800 / 850 / 900 / 1800 / 2100 / 2600 - C6603 LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Notification LED - - No

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean), planned upgrade to v4.2.0 Android OS, v4.4.2 (KitKat) Android OS, v7.0 (Nougat)
Processor Quad-core 1.5 GHz Krait, Qualcomm MDM9215M / APQ8064 Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.25 GHz Cortex-A53, Mediatek MT6737
GPU Adreno 320 Adreno 330 Mali-T720MP2
RAM 2 GB 2 GB 2 GB
Internal Memory 16 GB 16 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 256 GB (uses SIM 2 slot)

display Display

Type Capacitive touchscreen Super IPS+ LCD capacitive touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 69.70% 66.16% 67.28%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128x3096 pixels 13 MP, 4128 x 3096 pixels 8 MP
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, 1080p@30fps, continuous autofocus, video light, video stabilizer Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 2.2 MP, 1080p@30fps [Similar] Yes, 2 MP, 1080p@30fps [Similar] 8 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Up to 107 kbps Yes Yes
Edge Up to 296 kbps Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL DC-HSPA+, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP v4.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, dual-band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 (SlimPort), USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 16 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 256 GB (uses SIM 2 slot)
USB OTG - Supported Not 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-Ion Battery Non-removable Li-Po Battery Li-Ion Battery
Capacity 2330 mAh 2300 mAh 2400 mAh
Stand by Up to 550 h (2G)
Up to 530 h (3G)
- -
Talk Time Up to 11 h (2G)
Up to 14 h (3G)
- -