OPPO A9 2020 vs. Xiaomi Redmi Note 12

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO A9 2020 and Xiaomi Redmi Note 12. 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 A9 2020 vs. Xiaomi Redmi Note 12 Comparison Chart
DESIGN AND DIMENSIONS OPPO A9 2020 Xiaomi Redmi Note 12
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1941 -
Form Factor Touch Touch
Height 163.6 mm 165.66 mm Xiaomi Redmi Note 12 has greater height than OPPO A9 2020.
Width 75.6 mm 75.96 mm Xiaomi Redmi Note 12 has greater width than OPPO A9 2020.
Depth 9.1 mm 7.85 mm Xiaomi Redmi Note 12 is narrower than OPPO A9 2020.
Weight 195 g 183.5 g Xiaomi Redmi Note 12 is lighter than OPPO A9 2020.
Body Colour Marine green | Space purple Ice blue | Onyx grey | Mint green
Body Material 3D glass -
Protection - Dustproof, splashproof
Waterproof (Water-resistant) - - Xiaomi Redmi Note 12 is waterproof.
IP rating - IP53
Repairability Index - 7.5 (out of 10)
SAR Value 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) 2.55 W/kg (limb), 0.9 W/kg (head), 0.995 W/kg (body)
Connector Type USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO A9 2020 Xiaomi Redmi Note 12
Display Type LCD display OLED display
Display Technology TFT AMOLED
Screen Size (Display Size) 6.5" 6.67" Xiaomi Redmi Note 12 has larger screen size than OPPO A9 2020.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels Xiaomi Redmi Note 12 has better screen resolution than OPPO A9 2020.
Display Format - Full HD+
Pixel Density 269 ppi 395 ppi Xiaomi Redmi Note 12 has better pixel density than OPPO A9 2020.
Max Brightness 480 cd/m² 1200 cd/m² Xiaomi Redmi Note 12 has better display brightness than OPPO A9 2020.
Colour Depth 16.7 million colours -
Contrast Ratio 1500:1 4500000:1 Xiaomi Redmi Note 12 has better display contrast ratio than OPPO A9 2020.
Display Enhancement Technology Blue light filter -
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features In-Cell Display Technology, Sunlight screen Sunlight Display, Reading mode, DCI-P3 Wide colour gamut, DotDisplay, E2 Pro
PROCESSOR OPPO A9 2020 Xiaomi Redmi Note 12
Processor Type (CPU) Qualcomm Snapdragon 665 Qualcomm Snapdragon 685
Clock Speed - 2.8 GHz
Processor Core Qty - 8-core
Graphics System (GPU) Qualcomm ADRENO 610 Qualcomm ADRENO 610
MEMORY OPPO A9 2020 Xiaomi Redmi Note 12
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 2.1 UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OPPO A9 2020 Xiaomi Redmi Note 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 50 Megapixel Xiaomi Redmi Note 12 has better camera resolution than OPPO A9 2020.
Sensor Size 1/2.25" 1/2.76" Xiaomi Redmi Note 12 has better camera sensor size than OPPO A9 2020.
Sensor Type CMOS -
Sensor Name - Samsung ISOCELL JN1
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction - 5-element
Pixel Size 0.8 μm 0.64 μm OPPO A9 2020 has larger camera pixel size than Xiaomi Redmi Note 12.
Focus Adjustment Automatic Automatic
Special Effects - Bokeh effect
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 Portrait mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS) 4-in-1 to 1.28μm pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) 1/4.0" 1/4" Both phones have the same sensor size of the second camera.
Sensor Name (2nd Camera) - Omnivision OV08D sensor
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.25 F/2.2 Xiaomi Redmi Note 12 has better second camera lens aperture than OPPO A9 2020.
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) 119 degree(s) 120 degree(s) Xiaomi Redmi Note 12 has larger second camera lens field of view than OPPO A9 2020.
Pixel Size (2nd Camera) 1.12 μm 1.12 μm Both phones have the same second camera pixel size.
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Sensor Size (3rd Camera) 1/5" -
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
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Sensor Size (4th Camera) 1/5" -
Lens Aperture (4th Camera) F/2.4 -
Pixel Size (4th Camera) 1.75 μm -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 13 Megapixel OPPO A9 2020 has better front camera resolution than Xiaomi Redmi Note 12.
Sensor Size (Front) 1/3.1" 1/3.0" OPPO A9 2020 has better front camera sensor size than Xiaomi Redmi Note 12.
Lens Aperture (Front) F/2.0 F/2.45 OPPO A9 2020 has better front lens aperture than OPPO A9 2020.
Lens Element Qty (Front) - 5-element
Pixel Size (Front) 1 μm -
Camera Modes (Front) AI Beauty -
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
BATTERY AND CHARGING OPPO A9 2020 Xiaomi Redmi Note 12
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology - Mi-FC fast charging technology Xiaomi Redmi Note 12 has fast charging technology.
Standby Time 450 hours -
Talk Time 2700 minutes 1860 minutes OPPO A9 2020 has longer battery life when making calls than Xiaomi Redmi Note 12.
Run Time Details Standby: up to 450 hrs
Talk: up to 2700 min
Talk: up to 1860 min
Gaming: up to 9 hrs
Playback (video): up to 21 hrs
CELLULAR OPPO A9 2020 Xiaomi Redmi Note 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 6.0.1 (based on Android 9) Android 13
User Interface - MIUI 14
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, Galileo
COMMUNICATIONS OPPO A9 2020 Xiaomi Redmi Note 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, 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 IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - OPPO A9 2020 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OPPO A9 2020 Xiaomi Redmi Note 12
Sound Enhancements Dolby Atmos sound technology, Hi-Res audio -
FEATURES OPPO A9 2020 Xiaomi Redmi Note 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Face recognition Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Multitasking, Game Boost 2.0 Graphite cooling, IR blaster, coin vibration motor
OTHERS OPPO A9 2020 Xiaomi Redmi Note 12
Included Accessories Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) 33W charger
Compliant Standards - IP53, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification, Netflix HD Certification
Other projects: