Samsung Galaxy A02s vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A02s and Vivo V21 5G. 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

Samsung Galaxy A02s vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A02s Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A025G/DSN V2050
Form Factor Touch Touch
Height 166.5 mm 159.68 mm Samsung Galaxy A02s has greater height than Vivo V21 5G.
Width 75.9 mm 73.9 mm Samsung Galaxy A02s has greater width than Vivo V21 5G.
Depth 9.2 mm 7.29 mm Vivo V21 5G is narrower than Samsung Galaxy A02s.
Weight 198 g 176 g Vivo V21 5G is lighter than Samsung Galaxy A02s.
Body Colour White | Black Dusk blue | Sunset dazzle
Body Material - Matte glass
Waterproof (Water-resistant) - -
IP rating - IP52
SAR Value 0.78 W/kg (body), 0.55 W/kg (head) 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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 A02s Vivo V21 5G
Display Type LCD display OLED display
Display Technology PLS TFT AMOLED
Screen Size (Display Size) 6.5" 6.44" Samsung Galaxy A02s has larger screen size than Vivo V21 5G.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2404 x 1080 pixels Vivo V21 5G has better screen resolution than Samsung Galaxy A02s.
Display Format HD+ Full HD+
Aspect Ratio - 20:9
Max Brightness - 800 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 6000000:1
HDR - Yes Vivo V21 5G has HDR.
HDR Technology - HDR10+
Display Refresh Rate - 90 Hz
Display Features Infinity V Display, Dark mode -
PROCESSOR Samsung Galaxy A02s Vivo V21 5G
Processor Type (CPU) - MediaTek Dimensity 800U
Clock Speed 1.8 GHz 2.4 GHz Vivo V21 5G has higher clock speed than Samsung Galaxy A02s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
MEMORY Samsung Galaxy A02s Vivo V21 5G
RAM 3 GB 8 GB Vivo V21 5G has more RAM than Samsung Galaxy A02s.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Vivo V21 5G has more internal memory than Samsung Galaxy A02s.
User Memory 20.6 GB -
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSD, microSDXC - up to 1 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy A02s Vivo V21 5G
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 13 Megapixel 64 Megapixel Vivo V21 5G has better camera resolution than Samsung Galaxy A02s.
Lens Aperture F/2.2 F/1.79 Vivo V21 5G has better lens aperture than Samsung Galaxy A02s.
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Vivo V21 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 8x 10x Vivo V21 5G has better digital zoom than Samsung Galaxy A02s.
Special Effects Bokeh effect Bokeh effect
Camera Modes Live Focus mode Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) - Eye Autofocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel 8 Megapixel Vivo V21 5G has better second camera resolution than Samsung Galaxy A02s.
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Vivo V21 5G has better second camera lens aperture than Samsung Galaxy A02s.
Field of View (2nd Camera) - 120 degree(s)
Camera Functions (2nd Camera) Macro camera -
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.
Camera Functions (3rd Camera) Depth camera Super macro camera
Camera Features (3rd Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 44 Megapixels Vivo V21 5G has better front camera resolution than Samsung Galaxy A02s.
Lens Aperture (Front) F/2.2 F/2.0 Vivo V21 5G has better front lens aperture than Samsung Galaxy A02s.
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) Live Focus mode Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait
Light Source (Front) - Dual LED flash
Video Resolutions (Front) - 3840 x 2160 (4K)
Camera Features (Front) - Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING Samsung Galaxy A02s Vivo V21 5G
Battery Capacity (Battery Size) 5000 mAh 4000 mAh Samsung Galaxy A02s has larger battery capacity than Vivo V21 5G.
Fast Charging Technology Adaptive Fast Charging - Samsung Galaxy A02s has fast charging technology.
CELLULAR Samsung Galaxy A02s Vivo V21 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Vivo V21 5G has more advanced generation mobile network.
Operating System - Funtouch OS 11.1 (based on Android 11)
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A02s Vivo V21 5G
Data Transmission 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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 850, 900 2100, 1900, 1700, 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 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 32, Band 38, Band 39, Band 40, Band 41, Band 66
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 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, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n7, n8, n28, n41, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11b/g/n Wi-Fi
Bluetooth Bluetooth 4.2 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Samsung Galaxy A02s Vivo V21 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, 3GP, MP4
FEATURES Samsung Galaxy A02s Vivo V21 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, ambient light sensor, proximity sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices - Fingerprint reader (under display)
Additional Phone Features - Fast Charging, 3 GB of external memory space for RAM
OTHERS Samsung Galaxy A02s Vivo V21 5G
Included Accessories - Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards IEC 61960 IP52
Other projects: