Xiaomi Redmi Note 9 vs. OPPO A15

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi Redmi Note 9 and OPPO A15. 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 Redmi Note 9 vs. OPPO A15 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 9 OPPO A15
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2185
Form Factor Touch Touch
Height 162.3 mm 164 mm OPPO A15 has greater height than Xiaomi Redmi Note 9.
Width 77.2 mm 75.4 mm Xiaomi Redmi Note 9 has greater width than OPPO A15.
Depth 8.9 mm 7.9 mm OPPO A15 is narrower than Xiaomi Redmi Note 9.
Weight 199 g 175 g OPPO A15 is lighter than Xiaomi Redmi Note 9.
Body Colour Forest green Dynamic black
Protection Splashproof -
Waterproof (Water-resistant) - -
SAR Value 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head)
Integrated Components Ultra-linear speaker -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB
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 Redmi Note 9 OPPO A15
Display Type - LCD display
Display Technology - LCD
Screen Size (Display Size) 6.53" 6.52" Xiaomi Redmi Note 9 has larger screen size than OPPO A15.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi Redmi Note 9 has better screen resolution than OPPO A15.
Display Format Full HD+ HD+
Pixel Density - 269 ppi
Aspect Ratio 19.5:9 -
Max Brightness 450 cd/m² 480 cd/m² OPPO A15 has better display brightness than Xiaomi Redmi Note 9.
Contrast Ratio 1500:1 1500:1 Both phones have the same display contrast ratio.
Display Refresh Rate - 60 Hz
Display Features Reading mode 2.0, Dot Display, Full Screen gestures Dark mode, Waterdrop Screen
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi Redmi Note 9 OPPO A15
Processor Type (CPU) MediaTek Helio G85 MediaTek Helio P35
Processor Number - MT6765
Clock Speed 2 GHz 2.3 GHz OPPO A15 has higher clock speed than Xiaomi Redmi Note 9.
Processor Core Qty 8-core -
Graphics System (GPU) ARM G52 MC2 IMG GE8320
MEMORY Xiaomi Redmi Note 9 OPPO A15
RAM 3 GB LPDDR4X SDRAM - 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi Redmi Note 9 has more internal memory than OPPO A15.
Supported Flash Memory Cards (Expandable Memory) microSD microSDHC, microSD, microSDXC - up to 256 GB
CAMERA Xiaomi Redmi Note 9 OPPO A15
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi Redmi Note 9 has better camera resolution than OPPO A15.
Sensor Size 1/2" -
Lens Aperture F/1.79 F/2.2 Xiaomi Redmi Note 9 has better lens aperture than Xiaomi Redmi Note 9.
Lens Construction 6-element 5-element
Field of View (FoV) 79.4 degree(s) -
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Special Effects HDR, Kaleidoscope HDR, Portrait bokeh
Camera Modes Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 9 has face detection.
Light Source Flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps -
Camera Features (Functions) 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 AI Triple camera, AI Scene Enhancement
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Xiaomi Redmi Note 9 has better second camera resolution than OPPO A15.
Sensor Size (2nd Camera) 1/4" -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 Xiaomi Redmi Note 9 has better second camera lens aperture than Xiaomi Redmi Note 9.
Lens Element Qty (2nd Camera) 5-element 3-element
Field of View (2nd Camera) 118 degree(s) -
Pixel Size (2nd Camera) 1.2 μm -
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) 5-piece lens 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Lens Element Qty (3rd Camera) - 3-element
Pixel Size (3rd Camera) 1.75 μm -
Camera Functions (3rd Camera) Macro camera Depth camera
Camera Features (3rd Camera) AF (2cm-10cm) -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Sensor Size (4th Camera) 1/5" -
Lens Aperture (4th Camera) F/2.4 -
Lens Element Qty (4th Camera) 3-element -
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 5 Megapixel Xiaomi Redmi Note 9 has better front camera resolution than OPPO A15.
Sensor Size (Front) 1/3.06" -
Lens Aperture (Front) F/2.25 F/2.4 Xiaomi Redmi Note 9 has better front lens aperture than Xiaomi Redmi Note 9.
Lens Element Qty (Front) 5-element 3-element
Field of View (Front) 74 degree(s) -
Pixel Size (Front) 1.12 μm -
Special Effects (Front) HDR -
Camera Modes (Front) Panoramic selfies, AI portrait mode, AI Beautify -
Face Recognition (Face ID) Face recognition - Xiaomi Redmi Note 9 has face detection.
Light Source (Front) Display flash -
Camera Features (Front) Palm shutter, AI silhouette detection AI beautification
BATTERY AND CHARGING Xiaomi Redmi Note 9 OPPO A15
Battery Capacity (Battery Size) 5020 mAh 4230 mAh Xiaomi Redmi Note 9 has larger battery capacity than OPPO A15.
Talk Time 1980 minutes -
Run Time Details Talk: up to 1980 min
Gaming: up to 16 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
-
Battery Technology Lithium polymer -
CELLULAR Xiaomi Redmi Note 9 OPPO A15
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - ColorOS 7.2 (based on Android 10)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 9 OPPO A15
Data Transmission VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1900 GSM, 2100 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency 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, TDD 2500 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.0
MEDIA Xiaomi Redmi Note 9 OPPO A15
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) AAC, apt-X, LDAC, SBC
Supported Digital Video Standards MKV, XviD, M4V, MP4 -
Audio Amplifier Smart PA -
FEATURES Xiaomi Redmi Note 9 OPPO A15
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor -
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Security Technology - AI face unlock
Additional Phone Features Infrared remote control, HyperEngine technology HyperBoost 2.1
OTHERS Xiaomi Redmi Note 9 OPPO A15
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable Protective cover, USB cable, power adapter, SIM card removal tool
Compliant Standards TUV Rheinland Low Blue Light Certification -
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