Xiaomi MI 9 vs. OPPO A16s

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 and OPPO A16s. 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

Xiaomi MI 9 vs. OPPO A16s Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 OPPO A16s
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2271
Form Factor Touch Touch
Height 157.5 mm 163.8 mm OPPO A16s has greater height than Xiaomi MI 9.
Width 74.67 mm 75.6 mm OPPO A16s has greater width than Xiaomi MI 9.
Depth 7.61 mm 8.4 mm Xiaomi MI 9 is narrower than Xiaomi MI 9.
Weight 173 g 190 g Xiaomi MI 9 is lighter than Xiaomi MI 9.
Body Colour Ocean blue | Piano black Crystal black
Body Material Curved glass -
Waterproof (Water-resistant) - -
SAR Value 1.301 W/kg (body), 1.389 W/kg (head) -
Connector Type USB Type-C - 24 pin USB-C USB Type-C
Handset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI 9 OPPO A16s
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.39" 6.52" OPPO A16s has larger screen size than Xiaomi MI 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi MI 9 has better screen resolution than OPPO A16s.
Display Format Full HD+ HD+
Pixel Density 403 ppi 269 ppi Xiaomi MI 9 has better pixel density than OPPO A16s.
Max Brightness 600 cd/m² 480 cd/m² Xiaomi MI 9 has better display brightness than OPPO A16s.
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 1500:1 Xiaomi MI 9 has better display contrast ratio than OPPO A16s.
HDR Yes - Xiaomi MI 9 has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 60 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) 71% NTSC
Display Protection (Screen Protector) Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating -
PROCESSOR Xiaomi MI 9 OPPO A16s
Processor Type (CPU) Qualcomm Snapdragon 855 MediaTek Helio G35
Clock Speed 2.84 GHz 2.3 GHz Xiaomi MI 9 has higher clock speed than OPPO A16s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 IMG GE8320
MEMORY Xiaomi MI 9 OPPO A16s
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB Xiaomi MI 9 has more RAM than OPPO A16s.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
CAMERA Xiaomi MI 9 OPPO A16s
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi MI 9 has better camera resolution than OPPO A16s.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type Ultra wide-angle lens -
Lens Aperture F/1.75 F/2.2 Xiaomi MI 9 has better lens aperture than Xiaomi MI 9.
Lens Construction - 5-element
Field of View (FoV) - 80 degree(s)
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x 5x Xiaomi MI 9 has better digital zoom than OPPO A16s.
Special Effects HDR Portrait, Bokeh effect
Camera Modes Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode Dazzling Mode
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 has face detection.
Light Source Dual flash -
Still Image Resolutions 8000 x 6000 4160 x 3120, 4160 x 2340, 3120 x 3120, 4160 x 1872
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion AI Triple camera, AI Beautification
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Xiaomi MI 9 has better second camera resolution than OPPO A16s.
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 Xiaomi MI 9 has better second camera lens aperture than Xiaomi MI 9.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 88.8 degree(s)
Pixel Size (2nd Camera) 1 μm -
Camera Functions (2nd Camera) - Depth camera
Camera Features (2nd Camera) Macro photography -
THIRD CAMERA
Sensor Resolution (3rd Camera) 16 Megapixel 2 Megapixel Xiaomi MI 9 has higher resolution third camera than OPPO A16s.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Xiaomi MI 9 has better third camera lens aperture than Xiaomi MI 9.
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 88.8 degree(s)
Pixel Size (3rd Camera) 1 μm -
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 8 Megapixel Xiaomi MI 9 has better front camera resolution than OPPO A16s.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79 degree(s)
Pixel Size (Front) 0.9 μm -
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) AI portrait mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 has face detection.
Still Image Resolutions (Front) - 3264 x 2448
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare -
BATTERY AND CHARGING Xiaomi MI 9 OPPO A16s
Battery Capacity (Battery Size) 3300 mAh 5000 mAh OPPO A16s has larger battery capacity than Xiaomi MI 9.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 9 has fast charging technology.
Wireless Charging Standards WPC, Qi -
CELLULAR Xiaomi MI 9 OPPO A16s
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - ColorOS 11.1 (based on Android 11)
User Interface MIUI 10 -
Intelligent Assistant Google Assistant -
Payment Technology Android Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 9 OPPO A16s
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 39, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
WLAN Security WPA3 -
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 OPPO A16s
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD AAC, apt-X, LDAC, SBC
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 -
Sound Enhancements Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 OPPO A16s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor Accelerometer, ambient light sensor, proximity sensor, pedometer, gyroscope
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo -
OTHERS Xiaomi MI 9 OPPO A16s
Included Accessories Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger Headset, SIM card removal tool, USB-C cable, protective case
Compliant Standards TUV Rheinland Certified Safe Fast-Charge System -
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