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Xiaomi Mi A1 (Mi 5X)
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Asus Zenfone Selfie ZD551KL
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Xiaomi Mi A1 (Mi 5X) MORE PICTURES
Asus Zenfone Selfie ZD551KL MORE PICTURES
 

Xiaomi Mi A1 (Mi 5X)

Asus Zenfone Selfie ZD551KL
Our video review on Youtube
Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 3, 5, 7, 8, 20, 38, 40 1, 2, 3, 5, 7, 8, 20 - Global
  1, 2, 3, 5, 6, 8, 9, 18, 19, 28 - Taiwan
  1, 2, 3, 4, 5, 7, 8, 17, 20 - USA
  1, 3 - India
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced 2017, September 2015, June. Released 2015, August
Status Available. Released 2017, September Discontinued
Body
Dimensions 155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in) 156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
Weight 165 g (5.82 oz) 170 g (6.00 oz)
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame Glass front (Gorilla Glass 4), plastic back, plastic frame
SIM Hybrid Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 5.5 inches, 82.6 cm2 (~70.1% screen-to-body ratio) 5.5 inches, 82.6 cm2 (~68.3% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 4, oleophobic coating
Platform
OS Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Chipset Qualcomm MSM8953 Snapdragon 625 (14 nm) Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU Adreno 506 Adreno 405
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 32GB 4GB RAM, 64GB 4GB RAM 16GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.1 eMMC 4.5
Main Camera
Modules 12 MP, f/2.2, 26mm (wide), 1/2.9", 1.25µm, PDAF
12 MP, f/2.6, 50mm (telephoto), 1.0µm, AF, 2x optical zoom		 13 MP, f/2.0, 28mm (wide), 1/3.0", Laser AF
Features Dual-LED dual-tone flash, HDR, panorama Dual-LED dual-tone flash, panorama, HDR
Video 4K@30fps, 1080p@30fps, 720p@120fps 1080p@30fps
Selfie Camera
Modules 5 MP 13 MP, f/2.2, 1/3.1", 1.12µm, AF
Features Dual-LED dual-tone flash
Video 1080p@30fps 1080p@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, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth 4.2, A2DP, LE 4.0, A2DP, EDR
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port Yes No
Radio FM radio FM radio, RDS
USB USB Type-C 2.0 microUSB 2.0, OTG
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity Accelerometer, gyro, proximity, compass
Battery
Type Li-Po 3080 mAh, non-removable Li-Po 3000 mAh, removable
Charging 10W wired
Misc
Colors Black, Gold, Rose Gold, Red Pure White, Chic Pink, Aqua Blue
SAR 1.75 W/kg (head)     0.76 W/kg (body)    
Models MDG2, MDI2 Z00UD, Z00UDH, Z00UDC, Z00UDB
Price About 170 EUR About 280 EUR
Tests
Performance GeekBench: 4292 (v4.4)
GFXBench: 3.5fps (ES 3.1 onscreen)		 Basemark OS II 2.0: 883
Basemark X: 4915
Display Contrast ratio: 1570:1 (nominal), 2.689 (sunlight) Contrast ratio: 928:1 (nominal), 1.680 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 74dB / Noise 73dB / Ring 90dB Voice 65dB / Noise 66dB / Ring 75dB
Audio quality Noise -91.0dB / Crosstalk -82.5dB Noise -92.1dB / Crosstalk -92.5dB
Battery (old) Endurance rating 87h Endurance rating 63h

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