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Yota YotaPhone 2

Asus Zenfone Selfie ZD551KL

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	3, 7, 20	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, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch
Announced	2014, February. Released 2014, December	2015, June. Released 2015, August
Status	Discontinued	Discontinued

Body
Dimensions	144.9 x 69.4 x 9 mm (5.70 x 2.73 x 0.35 in)	156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
Weight	145 g (5.11 oz)	170 g (6.00 oz)
Build	Glass front (Gorilla Glass 3), glass back (Gorilla Glass 3), aluminum frame	Glass front (Gorilla Glass 4), plastic back, plastic frame
SIM	Nano-SIM	Dual SIM (Micro-SIM, dual stand-by)

Display
Type	AMOLED	IPS LCD
Size	5.0 inches, 68.6 cm2 (~68.2% screen-to-body ratio)	5.5 inches, 82.6 cm2 (~68.3% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~442 ppi density)	1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 4, oleophobic coating
	Secondary always-on grayscale capacitive touchscreen, 540 x 960 pixels (235 ppi), 4.7 inches

Platform
OS	Android 4.4.3 (KitKat), upgradable to 6.0 (Marshmallow)	Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUI
Chipset	Qualcomm Snapdragon 801 (28 nm)	Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU	Quad-core 2.3 GHz Krait 400	Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU	Adreno 330	Adreno 405

Memory
Card slot	No	microSDXC (dedicated slot)
Internal	32GB 2GB RAM	16GB 2GB RAM, 32GB 3GB RAM
	eMMC 5.0	eMMC 4.5

Main Camera
Modules	8 MP, AF	13 MP, f/2.0, 28mm (wide), 1/3.0", Laser AF
Features	LED flash, panorama, HDR	Dual-LED dual-tone flash, panorama, HDR
Video	1080p@30fps	1080p@30fps

Selfie Camera
Modules	2.1 MP	13 MP, f/2.2, 1/3.1", 1.12µm, AF
Features		Dual-LED dual-tone flash
Video		1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot	Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
Bluetooth	4.0, A2DP	4.0, A2DP, EDR
Positioning	GPS, GLONASS	GPS, GLONASS, BDS
NFC	Yes	No
Infrared port	No	No
Radio	FM radio	FM radio, RDS
USB	microUSB 2.0	microUSB 2.0, OTG

Features
Sensors	Accelerometer, gyro, proximity, compass	Accelerometer, gyro, proximity, compass

Battery
Type	Li-Ion 2500 mAh, non-removable	Li-Po 3000 mAh, removable
Charging	Wireless (Qi)
Stand-by	Up to 397 h (2G) / Up to 406 h (3G)
Talk time	Up to 41 h 40 min (2G) / Up to 26 h (3G)
Music play	Up to 92 h

Misc
Colors	Black, White	Pure White, Chic Pink, Aqua Blue
SAR EU	0.29 W/kg (head)     0.27 W/kg (body)
Models	YD201, YD206	Z00UD, Z00UDH, Z00UDC, Z00UDB
Price	About 150 EUR	About 280 EUR

Tests
Performance	Basemark OS II 2.0: 1021 Basemark X: 9877	Basemark OS II 2.0: 883 Basemark X: 4915
Display	Contrast ratio: Infinite (nominal), 3.453 (sunlight)	Contrast ratio: 928:1 (nominal), 1.680 (sunlight)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 66dB / Noise 65dB / Ring 69dB	Voice 65dB / Noise 66dB / Ring 75dB
Audio quality	Noise -92.1dB / Crosstalk -90.7dB	Noise -92.1dB / Crosstalk -92.5dB
Battery (old)	Endurance rating 57h	Endurance rating 63h