Compare HTC One M8 with Vivo Y21 with Vivo Y51L

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Compare HTC One M8 vs Vivo Y21 vs Vivo Y51L

Summary	72 Score	68 Score	73 Score
Performance	Qualcomm MSM8974AB Snapdragon 801 2 GB RAM Android OS, v4.4.2, v5.0	MediaTek MT6580 1 GB RAM Android v5.1 (Lollipop)	2 GB RAM Android OS, v5.0.2
Display	5 inch 1080 pixels 441 PPI Density	4.5 inch 480 x 854 pixels 218 PPI Density	5 inch 540 x 960 pixels 220 PPI Density
Camera	4 MP (Main) 5 MP (Front)	5 MP (Main) 2 MP (Front)	8 MP (Main) 5 MP (Front)
Battery	2600 mAh Li-Po	1900 mAh Li-ion	2350 mAh Li-Ion
Display
Screen Size	5 inch	4.5 inch	5 inch
Screen Resolution		480 x 854 pixels	540x960 pixels
Pixel Density	441 PPI	218 PPI	220 PPI
Display Type		IPS LCD Capacitive Touchscreen	IPS LCD capacitive touchscreen, 16M colors
Gorilla Glass	Yes	-	-
Screen Protection	Corning Gorilla Glass 3	-	-
Chipset
Brand	HTC Mobiles	Vivo Mobiles	Vivo Mobiles
Chipset	Qualcomm MSM8974AB Snapdragon 801	MediaTek MT6580
Processor	Quad-core 2.3 GHz (US/EMEA)/ 2.5 GHz (Asia, China) Krait 400	Quad core, 1.3 GHz, Cortex A7	Quad-core 1.2 GHz
RAM	2 GB RAM	1 GB RAM	2 GB RAM
GPU	Adreno 330	Mali-400 MP
Camera
Rear Camera Resolution	4 MP	5 MP	8 MP
Front Camera Resolution	5 MP	2 MP	5 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Flash	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android OS, v4.4.2, v5.0	Android v5.1 (Lollipop)	Android OS, v5.0.2
Weight	160 g	157 g	157 g
Dimensions	146.4 x 70.6 x 9.4 mm	130.7 x 66.4 x 9.2 mm	143.8 x 71.7 x 7.5 mm
Thickness	9.4mm
Storage
Internal Storage	16 GB	16 GB	16 GB
Card Slot	microSD, up to 128GB	microSD, Up to 128 G	microSD, up to 128 G
Other	16GB storage, microSD card slot	16GB storage, microSD card slot	16GB storage, microSD card slot
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.0, A2DP, apt-X	v4.0	Yes
3.5 mm Jack	Yes	Yes	Yes
NFC		No	No
Connectivity
VoLTE
4G	LTE band 3(1800), 7(2600), 8(900), 20(800) - EMEA		LTE band 38(2600), 39(1900), 40(2300)
3G	HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia	UMTS 2100 / 850 / 900 MHz	TD-SCDMA
2G	GSM 850 / 900 / 1800 / 1900	GSM 1800 / 1900 / 850 / 900 MHz	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11, b/g/n	Yes
GPS	A-GPS, GLONASS	with A-GPS	Yes, with A-GPS, BDS
GPRS
EDGE
Radio
Battery
Battery Capacity	2600 mAh	1900 mAh	2350 mAh
Battery Type	Li-Po	Li-ion	Li-Ion
Standby Time	Up to 271 h (2G) / Up to 496 h (3G)
Talk Time	Up to 14 h (2G) / Up to 20 h (3G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Accelerometer gyro proximity compass barometer	Light sensor Proximity sensor Accelerometer	Accelerometer proximity compass
Messaging	SMS (threaded view), MMS, Email, Push Email		SMS(threaded view), MMS, Email, Push Mail, IM
Java	No		No
Other	Fast battery charging: 60% in 30 min (Quick Charge 2.0) , Google Drive (100 GB cloud storage) , Active noise cancellation with dedicated mic , DivX/XviD/MP4/H.264/WMV player , MP3/eAAC+/WMA/WAV/FLAC player , Document editor , Photo/video editor -		MP4/H.264 player , MP3/WAV/FLAC/eAAC+ player , Photo/video editor , Document viewer