Gigabyte GSmart GX2 vs Lenovo ZUK Z2 Pro
Gigabyte GSmart GX2
Lenovo ZUK Z2 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100; TD-SCDMA
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4G network-LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speedHSDPA, 21 Mbps42.2 Mbps
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HSUPA speedHSUPA, 5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat6, 300 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-82016-4
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Status2014-92016-5
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Design
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SIMDual SIM (Micro-SIM)Dual SIM (Nano-SIM, dual stand-by)
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Height146.5 mm145.4 mm
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Width73.4 mm70.5 mm
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Thickness8.7 mm7.5 mm
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Weight135 g145 g
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ColorsBlackCeramic White, Titanium Black
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size5.0 inches5.2 inches
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Resolution1080 x 1920 pixels1080 x 1920 pixels
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Pixel density441 ppi424 ppi
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Display colors1677721616777216
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Multitouch-Yes
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Hardware
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CPUQuad-core 1.6 GHzDual-core 2.15 GHz Kryo
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CPU(second)dual-core 1.6 GHz Kryo
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ChipsetQualcomm MSM8228 Snapdragon 400Qualcomm MSM8996 Snapdragon 820
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GPUAdreno 305Adreno 530
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Memory RAM2 GB4, 6 GB
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Internal storage8 GB64, 128 GB
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Memory cardmicroSD
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Memory card max64 GB-
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OS
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OSAndroid OS, v4.4.2 (KitKat)Android OS, v6.0.1 (Marshmallow)
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Main camera
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Main camera13 MP13 MP, f/1.8
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Primary camera resolution4128 x 3096 pixels-
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Primary camera videovideo2160p@30fps
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Primary camera Autofocusautofocusphase detection autofocus
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Primary camera flashLED flashdual-LED (dual tone) flash
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Camera features-1.34 µm pixel size, HDR, face/smile detection, geo-tagging, panorama, touch focus
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Selfie camera
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Selfie camera2 MP8 MP, f/2.0 , 1.4 µm
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Selfie camera video-1080p
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C reversible connector
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Bluetoothv4.0v4.1
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Bluetooth A2DP-Yes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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BDS-Yes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Mail-Push Mail
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JavaYes, via Java MIDP emulatorNo
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Sensors-Fingerprint, accelerometer, altimeter, compass, gyro, heart rate, proximity
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Browser
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HTMLYesHTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2200 mAh3100 mAh
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Battery removable-Non-removable
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Talk time12 h-
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Standby time350 h-