Realme 8 Pro vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of Realme 8 Pro 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

Realme 8 Pro vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS Realme 8 Pro Realme C21
Product Type Smartphone Smartphone
Manufacturer Model Number RMX3081 -
Form Factor Touch Touch
Height 160.6 mm 165.2 mm Realme C21 has greater height than Realme 8 Pro.
Width 73.9 mm 76.4 mm Realme C21 has greater width than Realme 8 Pro.
Depth 8.1 mm 8.9 mm Realme 8 Pro is narrower than Realme 8 Pro.
Weight 176 g 190 g Realme 8 Pro is lighter than Realme 8 Pro.
Body Colour Punk black | Infinite blue | Infinite black Cross black | Cross blue
Waterproof (Water-resistant) - -
SAR Value 0.91 W/kg (head), 2.788 W/kg (limb), 1.107 W/kg (body) -
Connector Type USB Type-C - 24 pin USB-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 Realme 8 Pro Realme C21
Display Type OLED display LCD display
Display Technology Super AMOLED LCD
Screen Size (Display Size) 6.4" 6.5" Realme C21 has larger screen size than Realme 8 Pro.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels Realme 8 Pro has better screen resolution than Realme C21.
Display Format Full HD+ HD+
Pixel Density 409 ppi -
Aspect Ratio - 20:9
Max Brightness 1000 cd/m² 420 cd/m² Realme 8 Pro has better display brightness than Realme C21.
Display Features 180Hz sampling rate Mini-drop display
PROCESSOR Realme 8 Pro Realme C21
Processor Type (CPU) Qualcomm Snapdragon 720G MediaTek Helio G35
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 618 PowerVR GE8320
MEMORY Realme 8 Pro Realme C21
RAM LPDDR4X SDRAM - 8 GB LPDDR4X SDRAM - 3 GB Realme 8 Pro has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 128 GB 32 GB Realme 8 Pro has more internal memory than Realme C21.
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSD, microSDXC - up to 256 GB microSD
CAMERA Realme 8 Pro Realme C21
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 108 Megapixel 13 Megapixel Realme 8 Pro has better camera resolution than Realme C21.
Sensor Size 1/1.52" -
Sensor Name Samsung ISOCELL HM2 -
Lens Aperture F/1.88 F/2.2 Realme 8 Pro has better lens aperture than Realme 8 Pro.
Lens Construction 6-element 5-element
Focus Adjustment Automatic Automatic
Digital Zoom - 4x
Special Effects HDR, dynamic bokeh effect, Neon Portrait HDR
Camera Modes Expert Mode, portrait mode, Filter mode, Super nightscape, AI colour portrait video, Dual video mode, Panorama View, 108MP mode, Tilt-shift mode, Constellation Mode, Constellation Time Lapse Video 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
Still Image Resolutions 12000 x 9000 -
Video Resolutions 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, 1280 x 720 (720p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 480 fps, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Scene recognition, Phase Detect Auto-Focus (PDAF), Text scanner, AI Beautify, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation, 9-in-1 pixel binning, Smart ISO Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Realme 8 Pro has better second camera resolution than Realme C21.
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.25 F/2.4 Realme 8 Pro has better second camera lens aperture than Realme 8 Pro.
Lens Element Qty (2nd Camera) 5-element 3-element
Field of View (2nd Camera) 119 degree(s) -
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.
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
Camera Functions (3rd Camera) Macro camera Macro camera
Camera Features (3rd Camera) 4cm focal distance 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Aperture (4th Camera) F/2.4 -
Camera Functions (4th Camera) B&W lens -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 5 Megapixel Realme 8 Pro has better front camera resolution than Realme C21.
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.45 F/2.2 Realme C21 has better front lens aperture than Realme 8 Pro.
Lens Element Qty (Front) 5-element 3-element
Special Effects (Front) HDR, Bokeh effect HDR
Camera Modes (Front) Portrait mode, AI Beauty, Filter mode, Super nightscape, Panorama View Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps -
BATTERY AND CHARGING Realme 8 Pro Realme C21
Battery Capacity (Battery Size) 4500 mAh 5000 mAh Realme C21 has larger battery capacity than Realme 8 Pro.
Fast Charging Technology SuperDart Charge - Realme 8 Pro has fast charging technology.
Recharge Time (Charging Time) 47 min -
CELLULAR Realme 8 Pro Realme C21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 11 Android 10
User Interface Realme UI 2.0 Realme UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Realme 8 Pro Realme C21
Data Transmission 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 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 3, 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 1800+, 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 IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Realme 8 Pro has NFC reader for mobile payments.
MEDIA Realme 8 Pro Realme C21
Supported Digital Audio Standards AAC, apt-X, LDAC, apt-X HD -
FEATURES Realme 8 Pro 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, proximity sensor, magnetometer, gyro sensor, light sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features Dual microphones, Qualcomm 5th generation AI Engine Super power saving mode, HyperEngine technology, Reverse charging
OTHERS Realme 8 Pro Realme C21
Included Accessories SIM card removal tool, USB-C cable, protective case, protective film, 65W SuperDart Charger USB cable, power adapter, SIM card removal tool
Compliant Standards - TUV Rheinland
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