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Lenovo K900

Asus Zenfone 2 ZE551ML

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Lenovo K900
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Lenovo K900

Asus Zenfone 2 ZE551ML

Network
Technology GSM / HSPA GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
  TD-SCDMA - China & India
4G Network 1, 2, 3, 4, 5, 8, 9, 18, 19, 28 - Taiwan
  1, 2, 3, 4, 5, 7, 8, 20 - Global
  1, 2, 3, 4, 5, 7, 8, 17, 20 - US
  1, 3, 38, 39, 40, 41 - China & India
Speed HSPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced 2013, January. Released 2013, April 2015, January. Released 2015, March
Status Discontinued Discontinued
Body
Dimensions 157 x 78 x 6.9 mm (6.18 x 3.07 x 0.27 in) 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in)
Weight 162 g (5.71 oz) 170 g (6.00 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Micro-SIM Dual SIM (Micro-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 5.5 inches, 83.4 cm2 (~68.1% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection Corning Gorilla Glass 2 Corning Gorilla Glass 3
Platform
OS Android 4.2 (Jelly Bean) Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Chipset Intel Atom Z2580 Intel Atom Z3580 (4 GB RAM model)
Intel Atom Z3560 (2 GB RAM model)
CPU Dual-core 2.0 GHz Quad-core 2.3 GHz (4 GB RAM model)
Quad-core 1.8 GHz (2 GB RAM model)
GPU PowerVR SGX544MP2 PowerVR G6430
Memory
Card slot No microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
Main Camera
Modules 13 MP, AF 13 MP, f/2.0, AF
Features Dual-LED flash Dual-LED dual-tone flash, panorama, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 2 MP 5 MP, f/2.0
Video
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n, dual band, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth 3.0, A2DP 4.0, A2DP, EDR
Positioning GPS GPS, GLONASS
NFC No Yes
Infrared port No No
Radio Stereo FM radio FM radio, RDS
USB microUSB 2.0, OTG microUSB 2.0, OTG
Features
Sensors Accelerometer, proximity, compass Accelerometer, gyro, proximity, compass
Battery
Type Li-Po 2500 mAh, non-removable Li-Po 3000 mAh, non-removable
Charging 18W wired, 60% in 40 min (advertised)
Stand-by Up to 300 h (2G) / Up to 300 h (3G)
Talk time Up to 15 h (2G) / Up to 12 h (3G)
Misc
Colors Black/Gray Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White
SAR EU 0.35 W/kg (head)    
Models Z00AD, Z00A
Price About 360 EUR About 300 EUR
Tests
Performance Basemark OS II 2.0: 1090
Basemark X: 12565
Loudspeaker Voice 62dB / Noise 61dB / Ring 67dB
Battery (old) Endurance rating 59h

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