OPPO A72 vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO A72 and Realme C21. 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 A72 vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS OPPO A72 Realme C21
Product Type Smartphone Smartphone
Manufacturer Model Number CPH2067 -
Form Factor Touch Touch
Height 162 mm 165.2 mm Realme C21 has greater height than OPPO A72.
Width 75.5 mm 76.4 mm Realme C21 has greater width than OPPO A72.
Depth 8.9 mm 8.9 mm Both phones are the same depth.
Weight 192 g 190 g Realme C21 is lighter than OPPO A72.
Body Colour Twilight black | Aurora purple Cross black | Cross blue
Waterproof (Water-resistant) - -
SAR Value 0.917 W/kg (body), 0.481 W/kg (head), 2.194 W/kg (limb) -
Connector Type USB Type-C Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO A72 Realme C21
Display Type LCD display LCD display
Display Technology TFT LCD
Screen Size (Display Size) 6.5" 6.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels OPPO A72 has better screen resolution than Realme C21.
Display Format Full HD+ HD+
Aspect Ratio - 20:9
Max Brightness 480 cd/m² 420 cd/m² OPPO A72 has better display brightness than Realme C21.
Colour Depth 16.7 million colours -
Contrast Ratio 1500:1 -
Display Enhancement Technology Eye Care -
Display Features Dark mode Mini-drop display
PROCESSOR OPPO A72 Realme C21
Processor Type (CPU) Qualcomm Snapdragon 665 MediaTek Helio G35
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OPPO A72 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 610 PowerVR GE8320
MEMORY OPPO A72 Realme C21
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 3 GB OPPO A72 has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 128 GB 32 GB OPPO A72 has more internal memory than Realme C21.
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) microSD microSD
CAMERA OPPO A72 Realme C21
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 13 Megapixel OPPO A72 has better camera resolution than Realme C21.
Sensor Size 1/2.8" -
Lens Aperture F/1.7 F/2.2 OPPO A72 has better lens aperture than OPPO A72.
Lens Construction - 5-element
Pixel Size 1.25 μm -
Focus Adjustment Automatic Automatic
Digital Zoom - 4x
Special Effects - HDR
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape
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
Camera Features (Functions) AI Beautify, AI Quad camera Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel OPPO A72 has better second camera resolution than Realme C21.
Sensor Size (2nd Camera) 1/4.0" -
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 OPPO A72 has better second camera lens aperture than OPPO A72.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) 119 degree(s) -
Pixel Size (2nd Camera) 1.12 μm -
Camera Functions (2nd Camera) - B&W lens
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
Camera Features (3rd Camera) - 4cm macro photography
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 A72 has better front camera resolution than Realme C21.
Sensor Size (Front) 1/3.1" -
Lens Aperture (Front) F/2.0 F/2.2 OPPO A72 has better front lens aperture than OPPO A72.
Lens Element Qty (Front) - 3-element
Pixel Size (Front) 1 μm -
Special Effects (Front) - HDR
Camera Modes (Front) - Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode
Face Recognition (Face ID) - Face recognition Realme C21 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
BATTERY AND CHARGING OPPO A72 Realme C21
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Talk Time 2040 minutes -
Run Time Details Talk: up to 2040 min
Playback (audio): up to 50 hrs
Playback (video): up to 7 hrs
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CELLULAR OPPO A72 Realme C21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System ColorOS 7.1 (based on Android 10) Android 10
User Interface - Realme UI
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OPPO A72 Realme C21
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 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 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 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 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface Wi-Fi IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - OPPO A72 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OPPO A72 Realme C21
Sound Enhancements Hi-Res audio, Dirac 2.0 sound effect -
FEATURES OPPO A72 Realme C21
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, magnetometer, G-sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader (side) Fingerprint reader
Additional Phone Features Fast Charging, HyperBoost, Smart Sidebar Super power saving mode, HyperEngine technology, Reverse charging
OTHERS OPPO A72 Realme C21
Included Accessories Headset, screen protection film, USB cable, power adapter, cover USB cable, power adapter, SIM card removal tool
Compliant Standards TUV Rheinland Eye Comfort Certification TUV Rheinland
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