ASUS ZenFone Zoom S (ZE553KL) vs. Samsung Galaxy A21s

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone Zoom S (ZE553KL) and Samsung Galaxy A21s. 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

ASUS ZenFone Zoom S (ZE553KL) vs. Samsung Galaxy A21s Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Product Type Smartphone Smartphone
Manufacturer Model Number ZE553KL SM-A217F/DSN
Form Factor Touch Touch
Height 154.3 mm 163.7 mm Samsung Galaxy A21s has greater height than ASUS ZenFone Zoom S (ZE553KL).
Width 77 mm 75.3 mm ASUS ZenFone Zoom S (ZE553KL) has greater width than Samsung Galaxy A21s.
Depth 7.99 mm 8.9 mm ASUS ZenFone Zoom S (ZE553KL) is narrower than ASUS ZenFone Zoom S (ZE553KL).
Weight 170 g 192 g ASUS ZenFone Zoom S (ZE553KL) is lighter than ASUS ZenFone Zoom S (ZE553KL).
Body Colour Navy black White | Blue | Black
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value - 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb)
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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
DISPLAY ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Display Type OLED display LCD display
Display Technology Full HD Super AMOLED PLS TFT
Screen Size (Display Size) 5.5" 6.5" Samsung Galaxy A21s has larger screen size than ASUS ZenFone Zoom S (ZE553KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels ASUS ZenFone Zoom S (ZE553KL) has better screen resolution than Samsung Galaxy A21s.
Display Format Full HD HD+
Aspect Ratio - 20:9
Max Brightness 500 cd/m² -
Colour Depth - 16.7 million colours
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features 2.5D Glass Infinity O display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Processor Type (CPU) Qualcomm Snapdragon 625 -
Processor Number MSM8953 -
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - ASUS ZenFone Zoom S (ZE553KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 -
MEMORY ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
RAM 4 GB 3 GB ASUS ZenFone Zoom S (ZE553KL) has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 64 GB 32 GB ASUS ZenFone Zoom S (ZE553KL) has more internal memory than Samsung Galaxy A21s.
User Memory - 19.5 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 512 GB
CAMERA ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A21s has better camera resolution than ASUS ZenFone Zoom S (ZE553KL).
Sensor Size 1/2.55" -
Sensor Name Sony Exmor RS IMX362 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/2.0 ASUS ZenFone Zoom S (ZE553KL) has better lens aperture than ASUS ZenFone Zoom S (ZE553KL).
Lens Construction 6-element -
Field of View (FoV) - 80 degree(s)
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone Zoom S (ZE553KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 25 mm -
Digital Zoom - 8x
Special Effects Depth of field -
HDR Mode HDR Pro -
Camera Modes Panorama, Time-lapse mode, night mode, manual mode, super resolution mode, All Smiles mode, Mini mode, Children mode, Beautification mode, GIF animation function Live Focus mode
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 24 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) GIF animation function, QR-code scanner, ZenMotion, Smart Remove, MiniMovie, Time Rewind, PixelMaster 3.0 camera, 3-axis electronic image stabilisation, Dual Phase Detect Auto-Focus (PDAF), RAW image capture, ASUS SuperPixel technology, Corning Gorilla Glass (protective lens glass), Subject-Tracking Auto-Focus, ASUS TriTech+ technology Live Focus
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel ASUS ZenFone Zoom S (ZE553KL) has better second camera resolution than Samsung Galaxy A21s.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
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 1
Sensor Resolution (Front) 13 Megapixel 13 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) 1/3.06" -
Sensor Name (Front) Sony Exmor RS IMX214 sensor -
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone Zoom S (ZE553KL) has better front lens aperture than ASUS ZenFone Zoom S (ZE553KL).
Focus Adjustment - Focus free
HDR Mode (Front) HDR Pro -
Camera Modes (Front) Time-lapse mode, Slow motion mode, night mode, Auto mode, low-light shots, selfie panorama, Beautification mode, GIF animation function -
Light Source (Front) Display flash -
Camera Features (Front) ASUS SuperPixel technology -
BATTERY AND CHARGING ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
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
Battery Technology Lithium polymer Lithium Ion
CELLULAR ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.1.1 Nougat -
User Interface - One UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSDPA, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 2, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD 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
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
NFC - Yes Samsung Galaxy A21s has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
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 DTS Headphone:X 7.1, ASUS SonicMaster technology Dolby Atmos sound technology
FEATURES ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
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, digital compass, gyro sensor, hall sensor, RGB sensor, colour correction sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), power bank function, NXP Smart AMP technology, ASUS Noise Reduction technology Samsung KNOX, Virtual Light Sensing
OTHERS ASUS ZenFone Zoom S (ZE553KL) Samsung Galaxy A21s
Included Accessories Power adapter, SIM card removal tool, ASUS ZenEar with Mic, OTG cable (Type C to A 2.0), USB-C cable Power adapter
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