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OnePlus 2 vs Xiaomi Mi 4i vs HTC Desire 820q vs OnePlus One

OnePlus 2 vs Xiaomi Mi 4i vs HTC Desire 820q vs OnePlus One comparison

Show Only Differences Highlight Differences	OnePlus 2	Xiaomi Mi 4i	HTC Desire 820q	OnePlus One
ratings
Overall NDTV Rating	Read Review	Read Review	-	Read Review
Design Rating			-
Display Rating			-
Software Rating			-
Performance Rating			-
Battery Life Rating			-
Camera Rating			-
Value for Money Rating			-
key specs
Display	5.50-inch	5.00-inch	5.50-inch	5.50-inch
Processor	Qualcomm Snapdragon 810	Qualcomm Snapdragon 615	1.2GHz quad-core	Qualcomm Snapdragon 801
Front Camera	5-megapixel	5-megapixel	8-megapixel	5-megapixel
Rear Camera	13-megapixel	13-megapixel	13-megapixel	13-megapixel
RAM	4GB	2GB	1GB	3GB
Storage	64GB	16GB	16GB	64GB
Battery Capacity	3300mAh	3120mAh	2600mAh	3100mAh
OS	OxygenOS 2.0	Android 5.0.2	Android 4.4	CyanogenMod 11S
Resolution	1080x1920 pixels	1080x1920 pixels	720x1280 pixels	1080x1920 pixels
general
Brand	OnePlus	Xiaomi	HTC	OnePlus
Model	2	Mi 4i	Desire 820q	One
Release date	July 1, 2015	April 1, 2015	September 1, 2014	April 1, 2014
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	151.80 x 74.90 x 9.85	138.10 x 69.60 x 7.80	157.70 x 78.70 x 7.70	152.90 x 75.90 x 8.90
Weight (g)	175.00	130.00	155.00	162.00
Battery capacity (mAh)	3300	3120	2600	3100
Removable battery	No	No	No	No
Colours	Sandstone Black	Black, White, Orange, Light Blue, and Pink	-	Sandstone Black, Silk White
Launched in India	-	-	-	Yes
display
Screen size (inches)	5.50	5.00	5.50	5.50
Touchscreen	Yes	Yes	Yes	Yes
Resolution	1080x1920 pixels	1080x1920 pixels	720x1280 pixels	1080x1920 pixels
Pixels per inch (PPI)	-	441	-	401
Aspect ratio	-	-	-	16:9
hardware
Processor	1.8GHz octa-core	1.7GHz octa-core	1.2GHz quad-core	2.5GHz quad-core
Processor make	Qualcomm Snapdragon 810	Qualcomm Snapdragon 615	-	Qualcomm Snapdragon 801
RAM	4GB	2GB	1GB	3GB
Internal storage	64GB	16GB	16GB	64GB
Expandable storage	No	No	Yes	No
Expandable storage type	-	-	microSD	-
Expandable storage up to (GB)	-	-	128	-
camera
Rear camera	13-megapixel	13-megapixel	13-megapixel	13-megapixel (f/2.0, 1.12-micron)
Rear flash	Dual LED	Dual LED	Yes	Dual LED
Front camera	5-megapixel	5-megapixel	8-megapixel	5-megapixel (f/2.0)
Rear autofocus	-	-	-	Yes
software
Operating system	OxygenOS 2.0	Android 5.0.2	Android 4.4	CyanogenMod 11S
Skin	-	MIUI 6	-	-
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 b/g/n/ac	802.11 b/g/n	802.11 a/b/g/n/ac
GPS	Yes	Yes	Yes	Yes
Bluetooth	Yes, v 4.10	Yes, v 4.10	Yes, v 4.00	Yes, v 4.00
NFC	No	No	No	Yes
Infrared	No	No	No	No
USB OTG	Yes	Yes	No	No
Headphones	3.5mm	3.5mm	3.5mm	3.5mm
FM	No	Yes	Yes	No
Number of SIMs	2	2	2	1
Wi-Fi Direct	No	Yes	No	Yes
Mobile High-Definition Link (MHL)	No	No	No	No
Micro-USB	-	-	-	Yes
sim 1
SIM Type	Nano-SIM	Micro-SIM	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM	GSM	GSM
3G	Yes	Yes	Yes	Yes
4G/ LTE	Yes	Yes	Yes	Yes
sim 2
SIM Type	Nano-SIM	Micro-SIM	Nano-SIM	-
GSM/CDMA	GSM	GSM	GSM	-
3G	Yes	Yes	Yes	-
4G/ LTE	Yes	Yes	No	-
sensors
Compass/ Magnetometer	Yes	Yes	Yes	Yes
Proximity sensor	Yes	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes	Yes
Gyroscope	Yes	Yes	No	Yes
Barometer	No	No	No	No
Temperature sensor	No	No	No	No

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