Acer Liquid Z4 vs Yezz Billy 4
Acer Liquid Z4
Yezz Billy 4
-
Network
-
2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
-
3G networkHSDPAHSDPA 850, 1900
-
HSDPA speedHSDPA42.2 Mbps
-
HSUPA speedHSUPA5.76 Mbps
-
GPRSYesYes
-
EDGEYesYes
-
Availability
-
Oficially announced2014-22014-6
-
Status2014-42014-10
-
Design
-
SIMOptional Dual SIMDual SIM (Micro-SIM)
-
Height122.5 mm
-
Width64.4 mm
-
Thickness9.9 mm
-
Weight130 g109 g
-
ColorsBlack/WhiteBlack, Blue, Champing Gold, Gun Metal, Red, White, Yellow
-
Display
-
Display typeTFT capacitive touchscreenTFT capacitive touchscreen
-
Physical size4.0 inches4.0 inches
-
Resolution480 x 800 pixels480 x 800 pixels
-
Pixel density233 ppi233 ppi
-
Display colors-16777216
-
Hardware
-
CPUDual-core 1.3 GHzQuad-core 1.2 GHz ARM Cortex-A7
-
Chipset-Qualcomm MSM8212 Snapdragon 200
-
GPU-Adreno 302
-
Memory RAM512 MB512 MB
-
Internal storage4 GB4 GB
-
Memory cardmicroSD
-
Memory card max-128 GB
-
OS
-
OSAndroid OS, v4.2.2 (Jelly Bean)Microsoft Windows Phone 8.1
-
Main camera
-
Main camera5 MP8 MP
-
Primary camera resolution2592 x 1944 pixels3264 x 2448 pixels
-
Primary camera videovideo720p@30fps
-
Primary camera Autofocus-autofocus
-
Primary camera flashLED flashLED flash
-
Camera features-Geo-tagging, touch focus
-
Selfie camera
-
Secondary cameraNo-
-
Selfie camera1.3 MP
-
Sound
-
3.5mm jackYesYes
-
LoudspeakerYesYes
-
NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
-
Multimedia
-
Radio-
-
Radio FM-Stereo FM radio
-
Connectivity
-
WLANWi-FiWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
-
WLAN WiFi Hotspot-Yes
-
USBmicroUSB 2.0microUSB 2.0
-
BluetoothYesv4.0
-
Bluetooth A2DP-Yes
-
GPS-Yes, with A-GPS
-
GLONASS-Yes
-
Features
-
Messaging SMSSMS(threaded view)SMS(threaded view)
-
Messaging MMSMMSMMS
-
Messaging EmailEmailEmail
-
Messaging IM-IM
-
Messaging Push EmailPush EmailPush Email
-
JavaYes, via Java MIDP emulatorNo
-
Sensors-Accelerometer, proximity
-
Browser
-
HTMLYesHTML5
-
Battery
-
Battery typeLi-IonLi-Ion
-
Battery capacity-1300 mAh
-
Talk time--
-
Talk time 2G-7 h
-
Talk time 3G-4 h 30 min
-
Standby time--
-
Standby time 2G-350 h
-
Standby time 3G-300 h