Samsung Galaxy A42 5G vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A42 5G 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 A42 5G vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A42 5G Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A426B/DS V2050
Form Factor Touch Touch
Height 164.4 mm 159.68 mm Samsung Galaxy A42 5G has greater height than Vivo V21 5G.
Width 75.9 mm 73.9 mm Samsung Galaxy A42 5G has greater width than Vivo V21 5G.
Depth 8.6 mm 7.29 mm Vivo V21 5G is narrower than Samsung Galaxy A42 5G.
Weight 193 g 176 g Vivo V21 5G is lighter than Samsung Galaxy A42 5G.
Body Colour Prism dot black | Prism dot white | Prism dot grey Dusk blue | Sunset dazzle
Body Material - Matte glass
Waterproof (Water-resistant) - -
IP rating - IP52
SAR Value 1.334 W/kg (body), 1.154 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 Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy A42 5G Vivo V21 5G
Display Type OLED display OLED display
Display Technology Super AMOLED AMOLED
Screen Size (Display Size) 6.6" 6.44" Samsung Galaxy A42 5G 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 A42 5G.
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 Night mode, Edge-to-Edge screen, Infinity U Display -
PROCESSOR Samsung Galaxy A42 5G Vivo V21 5G
Processor Type (CPU) - MediaTek Dimensity 800U
Clock Speed 2.2 GHz 2.4 GHz Vivo V21 5G has higher clock speed than Samsung Galaxy A42 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
MEMORY Samsung Galaxy A42 5G Vivo V21 5G
RAM 4 GB 8 GB Vivo V21 5G has more RAM than Samsung Galaxy A42 5G.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory 106 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 A42 5G Vivo V21 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 64 Megapixel Vivo V21 5G has better camera resolution than Samsung Galaxy A42 5G.
Lens Aperture F/1.8 F/1.79 Vivo V21 5G has better lens aperture than Samsung Galaxy A42 5G.
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Vivo V21 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom 10x 10x Both phones have the same digital zoom.
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 Flash LED flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 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) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Ultra wide-angle lens Wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 123 degree(s) 120 degree(s) Samsung Galaxy A42 5G has larger second camera lens field of view than Vivo V21 5G.
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A42 5G has higher resolution third camera than Vivo V21 5G.
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) Macro camera Super macro camera
Camera Features (3rd Camera) - 4cm macro photography
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
Lens Aperture (4th Camera) F/2.4 -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 44 Megapixels Vivo V21 5G has better front camera resolution than Samsung Galaxy A42 5G.
Lens Aperture (Front) F/2.2 F/2.0 Vivo V21 5G has better front lens aperture than Samsung Galaxy A42 5G.
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) at 30 fps 3840 x 2160 (4K)
Camera Features (Front) - Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING Samsung Galaxy A42 5G Vivo V21 5G
Battery Capacity (Battery Size) 5000 mAh 4000 mAh Samsung Galaxy A42 5G has larger battery capacity than Vivo V21 5G.
Fast Charging Technology Adaptive Fast Charging - Samsung Galaxy A42 5G has fast charging technology.
Talk Time 2160 minutes -
Run Time Details Active online usage (LTE): up to 21 hrs
Active online usage (Wi-Fi): up to 22 hrs
Playback (audio): up to 130 hrs
Talk (4G): up to 2160 min
Playback (video): up to 34 hrs
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CELLULAR Samsung Galaxy A42 5G Vivo V21 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Google Android Funtouch OS 11.1 (based on Android 11)
User Interface One UI -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A42 5G Vivo V21 5G
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 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 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, 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, n5, n7, n8, n28, n41, n78, n40 N1, n3, n7, n8, n28, n41, n78, n40
5G NR Frequency FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Samsung Galaxy A42 5G 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 A42 5G 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, proximity sensor, gyro sensor, geomagnetic sensor, light sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features Samsung KNOX, Game Booster Fast Charging, 3 GB of external memory space for RAM
OTHERS Samsung Galaxy A42 5G Vivo V21 5G
Included Accessories Power adapter Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards - IP52
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