OPPO R9s Plus vs. Xiaomi Redmi Note 9S

Phone Comparison, Reviews and Tests

Side by side comparison and review of OPPO R9s Plus and Xiaomi Redmi Note 9S. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

OPPO R9s Plus vs. Xiaomi Redmi Note 9S Comparison Chart
DESIGN AND DIMENSIONS OPPO R9s Plus Xiaomi Redmi Note 9S
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 163.63 mm 165.75 mm Xiaomi Redmi Note 9S has greater height than OPPO R9s Plus.
Width 80.8 mm 76.68 mm OPPO R9s Plus has greater width than Xiaomi Redmi Note 9S.
Depth 7.35 mm 8.8 mm OPPO R9s Plus is narrower than OPPO R9s Plus.
Weight 185 g 209 g OPPO R9s Plus is lighter than OPPO R9s Plus.
Body Colour Black Aurora blue
Body Material - Curved 3D glass, Gorilla glass 5
Protection - Dustproof, splashproof
Waterproof (Water-resistant) - -
SAR Value - 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb)
Integrated Components - Ultra-linear speakers
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 Nano SIM + nano SIM/microSD
DISPLAY OPPO R9s Plus Xiaomi Redmi Note 9S
Display Type LCD display LCD display
Display Technology IPS -
Screen Size (Display Size) 6" 6.67" Xiaomi Redmi Note 9S has larger screen size than OPPO R9s Plus.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Xiaomi Redmi Note 9S has better screen resolution than OPPO R9s Plus.
Display Format Full HD Full HD+
Contrast Ratio - 1500:1
HDR - Yes Xiaomi Redmi Note 9S has HDR.
Display Features - Reading mode 2.0, Dot Display
Display Protection (Screen Protector) 2.5D Arc Glass, Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR OPPO R9s Plus Xiaomi Redmi Note 9S
Processor Type (CPU) Qualcomm Snapdragon 653 Qualcomm Snapdragon 720G
Clock Speed 1.95 GHz 2.3 GHz Xiaomi Redmi Note 9S 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 618
MEMORY OPPO R9s Plus Xiaomi Redmi Note 9S
RAM 6 GB 4 GB OPPO R9s Plus has more RAM than Xiaomi Redmi Note 9S.
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 microSDHC, microSDXC - up to 512 GB
CAMERA OPPO R9s Plus Xiaomi Redmi Note 9S
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi Redmi Note 9S has better camera resolution than OPPO R9s Plus.
Sensor Size 1/2.8" 1/2" OPPO R9s Plus has better camera sensor size than Xiaomi Redmi Note 9S.
Sensor Name Sony Exmor RS IMX398 sensor -
Lens Aperture F/1.7 F/1.79 OPPO R9s Plus has better lens aperture than OPPO R9s Plus.
Lens Construction - 6-element
Field of View (FoV) - 79 degree(s)
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Special Effects HDR HDR, Kaleidoscope
Camera Modes Panorama, tap to focus Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source LED light Dual LED flash
Still Image Resolutions - 8000 x 6000
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps 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, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Optical Image Stabiliser plus (OIS+), geotagging 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.12 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - AF (2cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 16 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3" -
Lens Aperture (Front) F/2.0 F/2.48 OPPO R9s Plus has better front lens aperture than OPPO R9s Plus.
Pixel Size (Front) - 1 μm
Special Effects (Front) Beautify 4.0 HDR
Camera Modes (Front) - Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9S has face detection.
Light Source (Front) - Display flash
Camera Features (Front) Self-timer AI scene detection, Palm shutter, AI silhouette detection
BATTERY AND CHARGING OPPO R9s Plus Xiaomi Redmi Note 9S
Battery Capacity (Battery Size) 4000 mAh 5020 mAh Xiaomi Redmi Note 9S has larger battery capacity than OPPO R9s Plus.
Talk Time - 1980 minutes
Run Time Details - Talk: up to 1980 min
Gaming: up to 13 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology - Lithium Ion
CELLULAR OPPO R9s Plus Xiaomi Redmi Note 9S
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 3.0 (based on Android 6.0.1) -
User Interface - MIUI 10
Payment Technology - Google Pay
Navigation GPS, A-GPS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO R9s Plus Xiaomi Redmi Note 9S
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1900 GSM, 2100 GSM
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 20, Band 28, Band 38, Band 40
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 800 DD, FDD 700 APT, TDD 2600, TDD 2300
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 - OPPO R9s Plus has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO R9s Plus Xiaomi Redmi Note 9S
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), MP4
Supported Digital Video Standards MPEG-4, H.264 MKV, XviD, M4V, MP4
Audio Amplifier - Smart PA
FEATURES OPPO R9s Plus Xiaomi Redmi Note 9S
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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - A.I. face recognition
Additional Phone Features - Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor
OTHERS OPPO R9s Plus Xiaomi Redmi Note 9S
Included Accessories Power adapter Protective cover, SIM card removal tool, USB-C cable, 18W charger
Compliant Standards - TUV Rheinland
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