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Asus Zenfone Selfie ZD551KL

Yota YotaPhone 2

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 2, 3, 5, 7, 8, 20 - Global	3, 7, 20
	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 Cat4 150/50 Mbps	HSPA, LTE Cat4 150/50 Mbps

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

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

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

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

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

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

Selfie Camera
Modules	13 MP, f/2.2, 1/3.1", 1.12µm, AF	2.1 MP
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, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Bluetooth	4.0, A2DP, EDR	4.0, A2DP
Positioning	GPS, GLONASS, BDS	GPS, GLONASS
NFC	No	Yes
Infrared port	No	No
Radio	FM radio, RDS	FM radio
USB	microUSB 2.0, OTG	microUSB 2.0

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

Battery
Type	Li-Po 3000 mAh, removable	Li-Ion 2500 mAh, non-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	Pure White, Chic Pink, Aqua Blue	Black, White
SAR EU		0.29 W/kg (head)     0.27 W/kg (body)
Models	Z00UD, Z00UDH, Z00UDC, Z00UDB	YD201, YD206
Price	About 280 EUR	About 150 EUR

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