OPPO R9s Plus vs. Xiaomi MI 8

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO R9s Plus and Xiaomi MI 8. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

OPPO R9s Plus vs. Xiaomi MI 8 Comparison Chart
DESIGN AND DIMENSIONS OPPO R9s Plus Xiaomi MI 8
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 163.63 mm 154.9 mm OPPO R9s Plus has greater height than Xiaomi MI 8.
Width 80.8 mm 74.8 mm OPPO R9s Plus has greater width than Xiaomi MI 8.
Depth 7.35 mm 7.6 mm OPPO R9s Plus is narrower than OPPO R9s Plus.
Weight 185 g 175 g Xiaomi MI 8 is lighter than OPPO R9s Plus.
Body Colour Black Black | Blue
Body Material - Glass, 7000 Series aluminium
Waterproof (Water-resistant) - -
SAR Value - 1.662 W/kg (body), 0.701 W/kg (head)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY OPPO R9s Plus Xiaomi MI 8
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 6" 6.21" Xiaomi MI 8 has larger screen size than OPPO R9s Plus.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2248 x 1080 pixels Xiaomi MI 8 has better screen resolution than OPPO R9s Plus.
Display Format Full HD Full HD+
Pixel Density - 402 ppi
Aspect Ratio - 18.7:9
Max Brightness - 600 cd/m²
Contrast Ratio - 60000:1
Display Enhancement Technology - Sunlight mode
Display Features - Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut
Display Protection (Screen Protector) 2.5D Arc Glass, Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR OPPO R9s Plus Xiaomi MI 8
Processor Type (CPU) Qualcomm Snapdragon 653 Qualcomm Snapdragon 845
Clock Speed 1.95 GHz 2.8 GHz Xiaomi MI 8 has higher clock speed than OPPO R9s Plus.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 Qualcomm ADRENO 630
MEMORY OPPO R9s Plus Xiaomi MI 8
RAM 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA OPPO R9s Plus Xiaomi MI 8
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 12 Megapixel OPPO R9s Plus has better camera resolution than Xiaomi MI 8.
Sensor Size 1/2.8" -
Sensor Name Sony Exmor RS IMX398 sensor Sony Exmor RS IMX363 sensor
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/1.8 OPPO R9s Plus has better lens aperture than OPPO R9s Plus.
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Xiaomi MI 8 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR HDR
Camera Modes Panorama, tap to focus Burst mode, Panorama, portrait mode, AR Emoji, AI Beautify
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Optical Image Stabiliser plus (OIS+), geotagging Dual Pixel Autofocus technology, AI Dual camera, AI scene detection, AI Beautify, AI dynamic bokeh, AI studio lighting, AI short video editing, AI high-res photos
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Telephoto lens
Lens Aperture (2nd Camera) - F/2.4
Camera Features (2nd Camera) - Portrait lens
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 16 Megapixel 20 Megapixel Xiaomi MI 8 has better front camera resolution than OPPO R9s Plus.
Sensor Size (Front) 1/3" -
Lens Aperture (Front) F/2.0 -
Special Effects (Front) Beautify 4.0 Mirror
Camera Modes (Front) - AR Emoji, AI portrait mode
Face Recognition (Face ID) - Face recognition Xiaomi MI 8 has face detection.
Camera Features (Front) Self-timer Self-timer, AI detection of 10 different scenes, 3D Beautify
SECOND FRONT CAMERA
Camera Features (2nd Front) - Flood Illuminator, Dot Projector
BATTERY AND CHARGING OPPO R9s Plus Xiaomi MI 8
Battery Capacity (Battery Size) 4000 mAh 3400 mAh OPPO R9s Plus has larger battery capacity than Xiaomi MI 8.
Fast Charging Technology - Qualcomm Quick Charge 4.0+ Xiaomi MI 8 has fast charging technology.
CELLULAR OPPO R9s Plus Xiaomi MI 8
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 3.0 (based on Android 6.0.1) Android 8.1 Oreo
User Interface - MIUI 9.5
Payment Technology - Android Pay
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO R9s Plus Xiaomi MI 8
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO R9s Plus Xiaomi MI 8
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD
Supported Digital Video Standards MPEG-4, H.264 MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP
FEATURES OPPO R9s Plus Xiaomi MI 8
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, hall sensor, Time of Flight (ToF), infrared (IR) sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Security Technology - IR face unlock
Additional Phone Features - Face Unlock, MU-MIMO technology
OTHERS OPPO R9s Plus Xiaomi MI 8
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, Mi 8 Protective cover
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