Samsung Galaxy A21s vs. Realme 7 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A21s and Realme 7 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy A21s vs. Realme 7 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s Realme 7 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN -
Form Factor Touch Touch
Height 163.7 mm 162.2 mm Samsung Galaxy A21s has greater height than Realme 7 5G.
Width 75.3 mm 75.1 mm Samsung Galaxy A21s has greater width than Realme 7 5G.
Depth 8.9 mm 9.1 mm Samsung Galaxy A21s is narrower than Samsung Galaxy A21s.
Weight 192 g 195 g Samsung Galaxy A21s is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black Baltic blue
Waterproof (Water-resistant) - -
SAR Value 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy A21s Realme 7 5G
Display Type LCD display -
Display Technology PLS TFT -
Screen Size (Display Size) 6.5" 6.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels Realme 7 5G has better screen resolution than Samsung Galaxy A21s.
Display Format HD+ Full HD+
Pixel Density - 405 ppi
Aspect Ratio 20:9 -
Colour Depth 16.7 million colours -
Display Refresh Rate - 120 Hz
Display Features Infinity O display 180Hz sampling rate, 120Hz Ultra Smooth Display
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Samsung Galaxy A21s Realme 7 5G
Processor Type (CPU) - MediaTek Dimensity 800U
Clock Speed 2 GHz 2.4 GHz Realme 7 5G has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - Mali-G57
MEMORY Samsung Galaxy A21s Realme 7 5G
RAM 3 GB LPDDR4X SDRAM - 6 GB Realme 7 5G has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Realme 7 5G has more internal memory than Samsung Galaxy A21s.
User Memory 19.5 GB -
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSD
CAMERA Samsung Galaxy A21s Realme 7 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Lens Type Wide-angle lens -
Lens Aperture F/2.0 F/1.8 Realme 7 5G has better lens aperture than Samsung Galaxy A21s.
Lens Construction - 6-element
Field of View (FoV) 80 degree(s) -
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects - HDR, Bokeh effect
Camera Modes Live Focus mode Slow motion video, Panorama, Time-lapse mode, Expert Mode, portrait mode, AI Beauty, Ultra Macro Mode, Filter mode, Super nightscape, Ultra Wide Mode, 48MP mode
Light Source LED flash LED flash
Still Image Resolutions - 8000 x 6000
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) Live Focus AI scene recognition, AI Quad camera, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.3 Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s.
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) 123 degree(s) 119 degree(s) Samsung Galaxy A21s has larger second camera lens field of view than Realme 7 5G.
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel -
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 B&W Portait Lens
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.
Lens Element Qty (4th Camera) - 3-element
Camera Functions (4th Camera) Depth camera Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 16 Megapixel Realme 7 5G has better front camera resolution than Samsung Galaxy A21s.
Lens Aperture (Front) F/2.2 F/2.1 Realme 7 5G has better front lens aperture than Samsung Galaxy A21s.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 79.3 degree(s)
Focus Adjustment Focus free -
Special Effects (Front) - HDR, Bokeh effect
Camera Modes (Front) - Panorama, Time-lapse mode, selfie mode, Beauty mode, portrait mode, Nightscape capture mode
Face Recognition (Face ID) - Face recognition Realme 7 5G has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING Samsung Galaxy A21s Realme 7 5G
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology - Dart Charge Realme 7 5G has fast charging technology.
Recharge Time (Charging Time) - 65 min
Standby Time - 600 hours
Talk Time 3240 minutes 2100 minutes Samsung Galaxy A21s has longer battery life when making calls than Realme 7 5G.
Run Time Details Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Talk: up to 2100 min
Gaming (PUBG): up to 9 hrs
Playback (YouTube): up to 17 hrs
Standby: up to 600 hrs
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A21s Realme 7 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Realme 7 5G has more advanced generation mobile network.
Operating System - Android 10
User Interface One UI Realme UI
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A21s Realme 7 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 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
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 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
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A21s Realme 7 5G
Supported Digital Audio Standards 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 -
Sound Enhancements Dolby Atmos sound technology Dolby Atmos sound technology, Hi-Res audio
FEATURES Samsung Galaxy A21s Realme 7 5G
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, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (side)
Additional Phone Features Samsung KNOX, Virtual Light Sensing Dual microphones, Super power saving mode
OTHERS Samsung Galaxy A21s Realme 7 5G
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, protective film, 30W fast charger
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