OPPO A9 2020 vs. Realme C31

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO A9 2020 and Realme C31. 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. Realme C31 Comparison Chart
DESIGN AND DIMENSIONS OPPO A9 2020 Realme C31
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1941 RMX3501
Form Factor Touch Touch
Height 163.6 mm 164.7 mm Realme C31 has greater height than OPPO A9 2020.
Width 75.6 mm 76.1 mm Realme C31 has greater width than OPPO A9 2020.
Depth 9.1 mm 8.4 mm Realme C31 is narrower than OPPO A9 2020.
Weight 195 g 197 g OPPO A9 2020 is lighter than OPPO A9 2020.
Body Colour Marine green | Space purple Light silver | Dark green
Body Material 3D glass -
Waterproof (Water-resistant) - -
SAR Value 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO A9 2020 Realme C31
Display Type LCD display -
Display Technology TFT -
Screen Size (Display Size) 6.5" 6.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1600 x 720 pixels 1600 x 720 pixels Both phones have the same screen resolution.
Display Format - HD+
Pixel Density 269 ppi -
Aspect Ratio - 20:9
Max Brightness 480 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 1500:1 -
Display Enhancement Technology Blue light filter -
Display Refresh Rate - 60 Hz
Touch Sampling Rate - 120 Hz
Display Features In-Cell Display Technology, Sunlight screen Ultra-clear View
PROCESSOR OPPO A9 2020 Realme C31
Processor Type (CPU) Qualcomm Snapdragon 665 Unisoc
Processor Number - T612
Clock Speed - 1.82 GHz
Processor Core Qty - 8-core
Graphics System (GPU) Qualcomm ADRENO 610 ARM Mali-G57
MEMORY OPPO A9 2020 Realme C31
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 64 GB OPPO A9 2020 has more internal memory than Realme C31.
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 Realme C31
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 13 Megapixel OPPO A9 2020 has better camera resolution than Realme C31.
Sensor Size 1/2.25" -
Sensor Type CMOS -
Lens Aperture F/1.8 F/2.2 OPPO A9 2020 has better lens aperture than OPPO A9 2020.
Lens Construction - 5-element
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro
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, 854 x 480 (480p) at 30 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS) AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel OPPO A9 2020 has better second camera resolution than Realme C31.
Sensor Size (2nd Camera) 1/4.0" -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.25 F/2.4 OPPO A9 2020 has better second camera lens aperture than OPPO A9 2020.
Field of View (2nd Camera) 119 degree(s) -
Pixel Size (2nd Camera) 1.12 μm -
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) - 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 0.3 Megapixel OPPO A9 2020 has higher resolution third camera than Realme C31.
Sensor Size (3rd Camera) 1/5" -
Lens Aperture (3rd Camera) F/2.4 F/2.8 OPPO A9 2020 has better third camera lens aperture than OPPO A9 2020.
Pixel Size (3rd Camera) 1.75 μm -
Camera Functions (3rd Camera) - B&W lens
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 5 Megapixel OPPO A9 2020 has better front camera resolution than Realme C31.
Sensor Size (Front) 1/3.1" -
Lens Aperture (Front) F/2.0 F/2.2 OPPO A9 2020 has better front lens aperture than OPPO A9 2020.
Lens Element Qty (Front) - 3-element
Pixel Size (Front) 1 μm -
Special Effects (Front) - HDR
Camera Modes (Front) AI Beauty Beauty mode, Filter mode
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Front) - AI Selfie
BATTERY AND CHARGING OPPO A9 2020 Realme C31
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Standby Time 450 hours -
Talk Time 2700 minutes -
Run Time Details Standby: up to 450 hrs
Talk: up to 2700 min
-
CELLULAR OPPO A9 2020 Realme C31
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 11
User Interface - Realme UI (R Edition)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS OPPO A9 2020 Realme C31
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSPA+, 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 Wi-Fi
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 Realme C31
Sound Enhancements Dolby Atmos sound technology, Hi-Res audio -
FEATURES OPPO A9 2020 Realme C31
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, proximity sensor, magnetometer, gyro sensor, light sensor
Security Devices Face recognition Fingerprint reader (side)
Additional Phone Features Multitasking, Game Boost 2.0 MIMO technology, Ultra Power Saving Mode, Fast Charging
OTHERS OPPO A9 2020 Realme C31
Included Accessories Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) SIM card removal tool, 10W charger, micro-USB cable
Compliant Standards - TUV Rheinland
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