Samsung Galaxy A12 vs. Realme C21

Phone Comparison, Reviews and Tests

Phone Specifications Comparison

Samsung Galaxy A12 vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A12 Realme C21
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A127F/DSN SM-A127F/DSN
Form Factor Touch Touch
Height 164 mm 165.2 mm Realme C21 has greater height than Samsung Galaxy A12.
Width 75.8 mm 76.4 mm Realme C21 has greater width than Samsung Galaxy A12.
Depth 8.9 mm 8.9 mm Both phones are the same depth.
Weight 205 g 190 g Realme C21 is lighter than Samsung Galaxy A12.
Body Colour Black | Blue Cross black | Cross blue
Waterproof (Water-resistant) - -
Repairability Index 8.3 (out of 10) 8.3 (out of 10)
SAR Value 0.419 W/kg (head), 1.513 W/kg (body) 0.419 W/kg (head), 1.513 W/kg (body)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A12 Realme C21
Display Type LCD display LCD display
Display Technology PLS TFT LCD
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+ HD+
Aspect Ratio - 20:9
Max Brightness - 420 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Infinity V Display Mini-drop display
PROCESSOR Samsung Galaxy A12 Realme C21
Processor Type (CPU) - MediaTek Helio G35
Clock Speed 2 GHz 2.3 GHz Realme C21 has higher clock speed than Samsung Galaxy A12.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - PowerVR GE8320
MEMORY Samsung Galaxy A12 Realme C21
RAM 3 GB LPDDR4X SDRAM - 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 19.5 GB 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSD, microSDXC - up to 1 TB microSD
CAMERA Samsung Galaxy A12 Realme C21
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 13 Megapixel Samsung Galaxy A12 has better camera resolution than Realme C21.
Lens Aperture F/2.0 F/2.2 Samsung Galaxy A12 has better lens aperture than Samsung Galaxy A12.
Lens Construction - 5-element
Focus Adjustment Automatic Automatic
Digital Zoom 10x 4x Samsung Galaxy A12 has better digital zoom than Realme C21.
Special Effects - HDR
Camera Modes - 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 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A12 has better second camera resolution than Realme C21.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy A12 has better second camera lens aperture than Samsung Galaxy A12.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
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 macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 2 Megapixel Both phones have the same resolution of the fourth camera.
Lens Aperture (4th Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the fourth camera.
Camera Functions (4th Camera) Depth camera Depth camera
Camera Features (4th Camera) Live Focus Live Focus
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel Samsung Galaxy A12 has better front camera resolution than Realme C21.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 3-element
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.
Camera Features (Front) Live Focus Live Focus
BATTERY AND CHARGING Samsung Galaxy A12 Realme C21
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology Adaptive Fast Charging Adaptive Fast Charging Both phones have fast charging technology.
Talk Time 3420 minutes 3420 minutes Both phones have the same battery life when making calls.
Run Time Details Talk: up to 3420 min
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 104 hrs
Talk: up to 3420 min
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 104 hrs
CELLULAR Samsung Galaxy A12 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 10
User Interface - Realme UI
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Samsung Galaxy A12 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 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Samsung Galaxy A12 Realme C21
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy A12 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 Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader Fingerprint reader
Additional Phone Features Samsung KNOX, Samsung Smart Switch, Virtual Light Sensing, Virtual Proximity Sensing Super power saving mode, HyperEngine technology, Reverse charging
OTHERS Samsung Galaxy A12 Realme C21
Included Accessories - USB cable, power adapter, SIM card removal tool
Compliant Standards - TUV Rheinland