Xiaomi Mi 8 SE has Android 8.1 (Oreo), It offers an internal memory of 64/128 GB with 4&6 GB RAM, It presents a screen of  Full HD+ resolution, And it comes with a battery capacity of 3120 mAh .

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Xiaomi Mi 8 SE specifications

General

6452 Announce date : May, 2018
6452 Release date : June, 2018
6452 Height × Width : 147.3 mm x 73.1 mm (5.80 x 2.88 in)
6452 Thickness : 7.5 mm (0.30 in)
6452 Weight : 164 g (5.78 oz)
6452 SIM : Dual SIM (Nano-SIM, dual stand-by)
6452 Colors : Gray, Blue, Red, Gold

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Display

6452 Display type : Super AMOLED capacitive touchscreen, 16M colors
6452 Screen size : 5.88 inches (~81.3% screen-to-body ratio)
6452 Resolution : 1080 x 2244 pixels [ Full HD+ resolution ]
6452 Pixel density : (~423 ppi pixel density)
6452 Multitouch feature :   yes
6452 MIUI 9.5 :   yes
6452 HDR10 display :   yes
6452 DCI-P3 :   yes
6452 Protection : Corning Gorilla Glass 5

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Camera & Video

6452 Rear camera : Dual : 12 MP, f/1.9, 1/2.55″, 1.4µm, dual pixel PDAF + 5 MP,
6452 Rear camera : f/2.0, 1.12µm, depth sensor
6452 Camera features : LED flash, HDR, panorama
6452 Video : 2160p@30fps, 1080p@30/120fps [ 4K UHD video ]
6452 Front camera : 20 MP, f/2.0, 1.0µm, 1080p@30fps

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Memory

6452 Internal Memory : 64 GB with 4&6 GB RAM or 128 GB with 6 GB RAM
6452 RAM : 4&6 GB RAM

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Battery

6452 Battery type : Non-removable Li-Po
6452 Battery capacity : 3120 mAh

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Platform

6452 Operating System : Android 8.1 (Oreo)
6452 Chipset : Qualcomm SDM710 Snapdragon 710
6452 Processor : Octa-core (2×2.2 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)
6452 Graphics : Adreno 616

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Network

6356 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 & CDMA 800 &
6356 2G bands : TD-SCDMA
6356 3G bands : SDPA 850 / 900 / 1900 / 2100
6356 4G bands : LTE
6356 Speed : HSPA 42.2/5.76 Mbps, LTE-A Cat15 800/150 Mbps
6356 GPRS :   yes
6356 EDGE :   yes

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Sound

6452 Alert types : Vibration, MP3, WAV ringtones
6452 Loudspeaker :   yes
6452 Type-C to 3.5 mm headphone jack adapter :   yes
6452 Active noise cancellation with dedicated mic :   yes

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CONNECTIVITY

6452 WLAN : Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
6452 Bluetooth : 5.0, A2DP, LE
6452 GPS :   yes, with A-GPS, GLONASS, BDS, GALILEO
6452 USB : Type-C 1.0 reversible connector
6452 Infrared port :   yes

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Features

6452 Sensors : Fingerprint (rear-mounted), Accelerometer, Compass, Proximity,
6452 Sensors : Gyro, Ambient light sensor
6452 Messaging : SMS (threaded view), MMS, Email, Push Mail, IM
6452 Browser HTML5 :   yes
6452 MP3/WAV/eAAC+/FLAC player :   yes
6452 MP4/DivX/XviD/WMV/H.265 player :   yes
6452 Document viewer :   yes
6452 Photo/video editor :   yes
6452 Fast battery charging :   yes  (Quick Charge 3.0)

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Xiaomi Mi 8 SE disadvantages

6452 NFC :   No
6452 Water & Dust resistant :   No
6452 Removable battery :   No
6452 3.5mm jack :   No
6452 Expandable memory :   No