OnePlus X has Android 5.1.1 ( Lollipop ) , It offers an internal memory of 16 GB with 3 GB RAM , It presents a screen of Full HD resolution , And it comes with a battery capacity of 2525 mAh .

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OnePlus X specifications

General

6394 Announce date : October , 2015
6394 Release date : November , 2015 ( Discontinued )
6394 Height × Width : 140 mm x 69 mm ( 5.51 x 2.72 in )
6394 Thickness : 6.9 mm ( 0.27 in ) [ The average in this size : 8.7 mm ]
6394 Weight : 138/160 g ( 4.87 oz ) [ The average in this size : 147 g ]
6394 SIM : Hybrid Dual SIM ( Nano-SIM , dual stand-by )
6394 Colors : Onyx , Ceramic , Champagne
6394 Build : Front/back glass & aluminum frame

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Display

6394 Display type : AMOLED capacitive touchscreen , 16M colors
6394 Screen size : 5.0 inches (~71.3% screen-to-body ratio) [ The average in
6394 market : 5.2 inches ]
6394 Resolution : 1080 x 1920 pixels [ Full HD resolution ]
6394 Pixel density : (~441 ppi pixel density) [ The average in this size : 294 ppi
6394 pixel density ]
6394 Multitouch feature :   yes
6394 OxygenOS 2.2.3 :   yes
6394 Protection : Corning Gorilla Glass 3

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Camera & Video

6394 Rear camera : 13 MP ( f/2.2 , 1/3″ , 1.14 µm ) , phase detection
6394 autofocus , LED flash [ The average in this size : 10 MP ]
6394 Camera features : Geo-tagging , touch focus , face detection , HDR ,
6394 panorama
6394 Video : 1080p@30fps , 720p@120fps [ Full HD video ]
6394 Front camera : 8 MP , f/2.4 [ The average in this size : 5 MP ]

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Memory

6394 Expandable memory : Card slot microSD, up to 256 GB ( uses SIM 2
6394 slot )
6394 Internal Memory : 16 GB [ The average in this size : 18 GB ]
6394 RAM : 3 GB RAM [ The average in this size : 1.8 GB RAM ]

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Battery

6394 Battery type : Non-removable Li-Po
6394 Battery capacity : 2525 mAh [ The average in this size : 2700 mAh ]

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Platform

6394 Operating System : Android 5.1.1 ( Lollipop ) , upgradable to 6.0.1
6394 ( Marshmallow )
6394 Chipset : Qualcomm Snapdragon 801
6394 Processor : Quad-core 2.3 GHz Krait 400
6394 Graphics : Adreno 330

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Network

6394 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
6394 3G bands : HSDPA 850 / 900 / 1900 /2100 – Europe & HSDPA 850 /
6394 900 / 1700(AWS) / 1900 / 2100 – USA
6394 4G bands : LTE – Europe & LTE – USA & LTE – India ( Band 40 )
6394 Speed : HSPA , LTE
6394 GPRS :   yes
6394 EDGE :   yes

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Sound

6394 Alert types : Vibration , MP3 , WAV ringtones
6394 Loudspeaker :   yes
6394 3.5 mm jack :   yes
6394 Active noise cancellation with dedicated mic :   yes

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CONNECTIVITY

6394 WLAN : Wi-Fi 802.11 b/g/n , hotspot
6394 Bluetooth : 4.0 , A2DP
6394 GPS :   yes , with A-GPS , GLONASS , BDS
6394 USB : MicroUSB 2.0
6394 Radio : FM radio

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Features

6394 Sensors : Accelerometer , Gyro , Proximity , Ambient light sensor
6394 Messaging : SMS ( threaded view ) , MMS , Email , Push Mail , IM
6394 Browser HTML5 :   yes
6394 Notification profiles hardware switch :   yes
6394 MP3/eAAC+/WMA/WAV/FLAC player :   yes
6394 DivX/Xvid/MP4/H.265 player :   yes
6394 Document viewer :   yes
6394 Photo/video editor :   yes

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OnePlus X disadvantages

6394 Java :   No
6394 NFC :  No
6394 Infrared port :   No
6394 Removable battery :   No
6394 Water & Dust resistant :   No
6394 Barometer sensor :   No
6394 Temperature sensor :   No
6394 Compass sensor :   No
6394 Fingerprint sensor :   No
6394 Wi-Fi Direct :   No
6394 Fast battery charging :   No

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6394 *** [ The averages are calculated for all phones released in 2016 & 2017
6394 ( for each size alone ) ]