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Asus Zenfone 2 ZE551ML

Xiaomi Redmi Note

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Asus Zenfone 2 ZE551ML
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Asus Zenfone 2 ZE551ML

Xiaomi Redmi Note

Network
Technology GSM / HSPA / LTE GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA
Launch
Announced 2015, January. Released 2015, March 2014, March. Released 2014, March
Status Discontinued Discontinued
Body
Dimensions 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in) 154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in)
Weight 170 g (6.00 oz) 199 g (7.02 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Dual SIM (Micro-SIM, dual stand-by) Dual SIM
Display
Type IPS LCD IPS LCD
Size 5.5 inches, 83.4 cm2 (~70.8% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~68.8% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Platform
OS Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) Android 4.2 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2
Chipset Intel Atom Z3580 (4 GB RAM model)
Intel Atom Z3560 (2 GB RAM model)
Mediatek MT6592 (28 nm)
CPU Quad-core 2.3 GHz (4 GB RAM model)
Quad-core 1.8 GHz (2 GB RAM model)
Octa-core 1.4/1.7 GHz Cortex-A7
GPU PowerVR G6430 Mali-450MP4
Memory
Card slot microSDXC (dedicated slot) microSDHC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM 8GB 1GB RAM, 8GB 2GB RAM
Main Camera
Modules 13 MP, f/2.0, AF 13 MP, f/2.2, 28mm (wide), AF
Features Dual-LED dual-tone flash, panorama, HDR LED flash, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 5 MP, f/2.0 5 MP
Video 720p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth 4.0, A2DP, EDR 4.0, A2DP, LE
Positioning GPS, GLONASS GPS, GLONASS
NFC Yes No
Infrared port No No
Radio FM radio, RDS FM radio, recording
USB microUSB 2.0, OTG microUSB 2.0, OTG
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Battery
Type Li-Po 3000 mAh, non-removable Li-Po 3200/3100 mAh, removable
Charging 18W wired, 60% in 40 min (advertised)
Misc
Colors Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White Black, White
SAR 0.88 W/kg (head)     0.58 W/kg (body)    
SAR EU 0.35 W/kg (head)    
Models Z00AD, Z00A 2014712
Price About 300 EUR About 120 EUR
Tests
Performance Basemark OS II 2.0: 1090
Basemark X: 12565
Basemark OS II 2.0: 479
Basemark X: 2974
Display Contrast ratio: 1016 (nominal), 2.119 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 62dB / Noise 61dB / Ring 67dB Voice 65dB / Noise 66dB / Ring 75dB
Audio quality Noise -88.4dB / Crosstalk -85.2dB
Battery (old) Endurance rating 59h Endurance rating 55h

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