ASUS ZenFone Zoom (ZX551ML) vs. Alcatel 1S (2021)

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Alcatel 1S (2021). 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

ASUS ZenFone Zoom (ZX551ML) vs. Alcatel 1S (2021) Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML -
Form Factor Touch Touch
Height 158.9 mm 165.64 mm Alcatel 1S (2021) has greater height than ASUS ZenFone Zoom (ZX551ML).
Width 78.8 mm 75.59 mm ASUS ZenFone Zoom (ZX551ML) has greater width than Alcatel 1S (2021).
Depth 12 mm 8.8 mm Alcatel 1S (2021) is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 190 g ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML).
Body Colour Ceramic white | Pure black -
Waterproof (Water-resistant) - -
SAR Value 0.432 W/kg (body), 0.343 W/kg (head) 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 5.5" 6.52" Alcatel 1S (2021) has larger screen size than ASUS ZenFone Zoom (ZX551ML).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels ASUS ZenFone Zoom (ZX551ML) has better screen resolution than Alcatel 1S (2021).
Display Format Full HD HD+
Pixel Density 401 ppi -
Aspect Ratio - 20:9
Colour Depth 16.7 million colours -
Display Features - 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Processor Type (CPU) Intel Atom MediaTek
Processor Number Z3590 MTK6762D
Clock Speed 2.5 GHz 1.8 GHz ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Alcatel 1S (2021).
Processor Core Qty Quad-core 8-core Alcatel 1S (2021) has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML).
Graphics System (GPU) PowerVR G6430 IMG GE8320
MEMORY ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
RAM 4 GB 3 GB ASUS ZenFone Zoom (ZX551ML) has more RAM than Alcatel 1S (2021).
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory - 17 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/3.06"
Lens Aperture F/2.7-4.8 F/2.0 Alcatel 1S (2021) has better lens aperture than ASUS ZenFone Zoom (ZX551ML).
Lens Construction - 5-element
Field of View (FoV) - 77.1 degree(s)
Pixel Size - 1.12 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - ASUS ZenFone Zoom (ZX551ML) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom 3x -
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace
Face Recognition (Face ID) Face detection Face tracking Both phones have face detection.
Light Source Dual LED flash Single tone LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI scene detection, AI Composition, AI Filter, Smart Album
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Sensor Size (2nd Camera) - 1/5"
Lens Aperture (2nd Camera) - F/2.4
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) - 87.3 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
Camera Functions (2nd Camera) - Depth camera
Camera Features (2nd Camera) - 3-piece lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Sensor Size (3rd Camera) - 1/5"
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 84 degree(s)
Pixel Size (3rd Camera) - 1.65 μm
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) - 1/5"
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML).
Field of View (Front) - 76 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment - Focus free
Special Effects (Front) - Face Beautification
Camera Modes (Front) - Night mode, Bokeh Mode
Face Recognition (Face ID) - Face tracking Alcatel 1S (2021) has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps
BATTERY AND CHARGING ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Alcatel 1S (2021) has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
Recharge Time (Charging Time) - 150 min
Standby Time - 512 hours
Talk Time - 1920 minutes
Run Time Details - Standby (2G): up to 512 hrs
Standby (3G): up to 488 hrs
Standby (4G): up to 392 hrs
Talk (4G): up to 1200 min
Talk (2G): up to 1920 min
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0 (Lollipop) Android 11
User Interface ASUS ZenUI 2.0 -
Intelligent Assistant - Google Assistant
Navigation A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSPA+, LTE
2G Band 850 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 9, Band 18, Band 19, Band 28 Band 1, 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes - ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Supported Digital Audio Standards - AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis
Supported Digital Video Standards - MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC
FEATURES ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Phone Functions Speakerphone, call timer, conference call, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, proximity sensor, digital compass, light sensor
Security Devices - Face recognition, fingerprint reader
Security Technology - Face Key
Additional Phone Features Multitasking Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button
OTHERS ASUS ZenFone Zoom (ZX551ML) Alcatel 1S (2021)
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool, LCD sticker
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