Samsung Galaxy A21s vs. ASUS ZenFone 7 Pro

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A21s and ASUS ZenFone 7 Pro. 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 A21s vs. ASUS ZenFone 7 Pro Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s ASUS ZenFone 7 Pro
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN ZS671KS
Form Factor Touch Touch
Height 163.7 mm 165.08 mm ASUS ZenFone 7 Pro has greater height than Samsung Galaxy A21s.
Width 75.3 mm 77.28 mm ASUS ZenFone 7 Pro has greater width than Samsung Galaxy A21s.
Depth 8.9 mm 9.6 mm Samsung Galaxy A21s is narrower than Samsung Galaxy A21s.
Weight 192 g 230 g Samsung Galaxy A21s is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black Aurora black
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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A21s ASUS ZenFone 7 Pro
Display Type LCD display OLED display
Display Technology PLS TFT AMOLED
Screen Size (Display Size) 6.5" 6.67" ASUS ZenFone 7 Pro has larger screen size than Samsung Galaxy A21s.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels ASUS ZenFone 7 Pro has better screen resolution than Samsung Galaxy A21s.
Display Format HD+ -
Aspect Ratio 20:9 20:9
Max Brightness - 700 cd/m²
Colour Depth 16.7 million colours -
HDR - Yes ASUS ZenFone 7 Pro has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - DC Dimming
Display Refresh Rate - 90 Hz
Display Features Infinity O display DCI-P3 Wide colour gamut, 1ms response time, Glove Touch, Delta-E < 1, NanoEdge display
Display Protection (Screen Protector) - Corning Gorilla Glass 6 (scratch resistant glass)
PROCESSOR Samsung Galaxy A21s ASUS ZenFone 7 Pro
Processor Type (CPU) - Qualcomm Snapdragon 865+
Processor Number - SM8250
Clock Speed 2 GHz 3.1 GHz ASUS ZenFone 7 Pro has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes ASUS ZenFone 7 Pro has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 650
MEMORY Samsung Galaxy A21s ASUS ZenFone 7 Pro
RAM 3 GB LPDDR5 SDRAM - 8 GB ASUS ZenFone 7 Pro has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 32 GB 256 GB ASUS ZenFone 7 Pro has more internal memory than Samsung Galaxy A21s.
User Memory 19.5 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 2 TB
CAMERA Samsung Galaxy A21s ASUS ZenFone 7 Pro
MAIN CAMERA
Number of Main Cameras 4 3
Rear Camera Design - Flip
Sensor Resolution 48 Megapixel 64 Megapixel ASUS ZenFone 7 Pro has better camera resolution than Samsung Galaxy A21s.
Sensor Size - 1/1.73"
Sensor Name - Sony Exmor RS IMX686 sensor
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/2.0 F/1.8 ASUS ZenFone 7 Pro has better lens aperture than Samsung Galaxy A21s.
Lens Construction - 6-element
Field of View (FoV) 80 degree(s) 78.3 degree(s) Samsung Galaxy A21s has larger lens field of view than ASUS ZenFone 7 Pro.
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 26.6 mm
Digital Zoom 8x -
Special Effects - HDR
Camera Modes Live Focus mode Slow motion video, Panorama, Time-lapse mode, Pro mode, Portrait, Night, Auto, 4K Timelapse, Pro Video, Auto Panorama
Light Source LED flash Dual LED flash
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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, Motion Tracking 3840 x 2160 (4K) at 60 fps, Slo-mo video 3840 x 2160 (4K) at 120 fps
Camera Features (Functions) Live Focus 3-axis electronic image stabilisation, RAW image capture, Wind Noise Filter, 4-axis optical image stabilisation, Instant cameras switching, 2x1 On-chip-lens phase detection autofocus, Quad Bayer technology - 16MP (1.6 µm effective pixel size), take still photos while playing 8K video, HyperSteady, Free Zoom, Mic Focus, Motion Tracking 2.0
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel ASUS ZenFone 7 Pro has better second camera resolution than Samsung Galaxy A21s.
Sensor Size (2nd Camera) - 1/2.55"
Sensor Name (2nd Camera) - Sony Exmor RS IMX363 sensor
Lens Type (2nd Camera) Ultra wide-angle lens Super 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) -
Pixel Size (2nd Camera) - 1.4 μm
Minimum Focal Length (2nd Camera) - 14.3 mm
Camera Features (2nd Camera) - Real-time distortion correction, Dual Pixel image sensor, supports 4 cm macro
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 8 Megapixel ASUS ZenFone 7 Pro has higher resolution third camera than Samsung Galaxy A21s.
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) F/2.4 -
Minimum Focal Length (3rd Camera) - 80 mm
Optical Zoom - 3x
Camera Functions (3rd Camera) Macro camera -
Camera Features (3rd Camera) 4cm macro photography 12x total zoom, 4-axis, optical image stabilisation
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Aperture (4th Camera) F/2.4 -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 0
Sensor Resolution (Front) 13 Megapixel -
Lens Aperture (Front) F/2.2 -
Focus Adjustment Focus free -
BATTERY AND CHARGING Samsung Galaxy A21s ASUS ZenFone 7 Pro
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology - Qualcomm Quick Charge 4.0, Power Delivery 3.0 ASUS ZenFone 7 Pro has fast charging technology.
Talk Time 3240 minutes -
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
Continuous browsing (5G): up to 6.2 hrs
Playback (video): up to 24 hrs
Mixed usage: up to 48 hrs
Battery Technology Lithium Ion Lithium polymer
CELLULAR Samsung Galaxy A21s ASUS ZenFone 7 Pro
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G ASUS ZenFone 7 Pro has more advanced generation mobile network.
Operating System - Android 10
User Interface One UI ASUS ZenUI 7
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
COMMUNICATIONS Samsung Galaxy A21s ASUS ZenFone 7 Pro
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSDPA, 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 3, Band 4, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1800, 1700, 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 29, Band 38, Band 39, Band 40, Band 41
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, FDD 700d, TDD 2600, TDD 1900, TDD 2300, TDD 2500
5G NR Band - N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 3700, TDD TD 3500, n12
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 LE Bluetooth 5.1
Bluetooth Profiles - HFP, OPP, PAN, A2DP, AVRCP, HID
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A21s ASUS ZenFone 7 Pro
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 Qualcomm aptX audio
Audio Amplifier - NXP 9874 smart amplifier
FEATURES Samsung Galaxy A21s ASUS ZenFone 7 Pro
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, digital compass, gyro sensor, hall sensor, angle sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Additional Phone Features Samsung KNOX, Virtual Light Sensing MIMO technology, Smart Key, Triple internal microphones with ASUS Noise Reduction Technology
OTHERS Samsung Galaxy A21s ASUS ZenFone 7 Pro
Included Accessories Power adapter SIM card removal tool, USB-C to USB-C cable, transparent case, 30W fast charger, active case
Compliant Standards - SGS
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