Phone Comparison - Lenovo Vibe Z K910 vs Asus Zenfone 6 vs Amazon Fire Phone

general General Info

Manufacturer Lenovo Asus Amazon
Announced November 2013 January 2014 June 2014
Status Available - January 2014 Available - June 2014 Available - July 2014
Colors Black Black, White, Red, Gold Black
Form Factor Candybar Candybar Candybar
Dimension 7.9 mm thickness
(0.31 in thickness)
166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
139.2 x 66.5 x 8.9 mm
(5.48 x 2.62 x 0.35 in)
Weight 147 g (5.19 oz) 196 g (6.91 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE - LTE 700 / 800 / 850 / 900 / 1700 / 1800 / 1900 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - - - 3D Dynamic Perspective UI
- System Wide Tilt, Auto-scroll, Swivel and Peek Functions

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Fire OS 3.5.0
Processor Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Dual-core 2 GHz, Intel Atom Z2580 Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800
GPU Adreno 330 PowerVR SGX544MP2 Adreno 330
RAM 2 GB 1/2 GB 2 GB
Internal Memory 16 GB ROM 8/16/32 GB 32/64 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB No

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 (front and back)
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.0 inches 4.7 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio - 70.40% 65.98%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - No No
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 Dual-LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto-focus, Geo-tagging, HDR, OIS
Video Yes, 1080p@30fps Yes Yes, 1080p@30fps
Front Camera Yes, 5 MP [Similar] Yes, 2 MP [Similar] Yes, 2.1 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA+, LTE
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP, EDR Yes, v3.0
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, 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, dual-band
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML HTML5

memory User Memory

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

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 Non-removable Li-Ion Battery
Capacity - 3300 mAh 2400 mAh
Stand by - Up to 398 h (3G) Up to 285 h
Talk Time - Up to 28 h (3G) Up to 22 h