Samsung Galaxy A51 5G vs. Alcatel 1S (2021)

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A51 5G 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

Samsung Galaxy A51 5G vs. Alcatel 1S (2021) Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 5G Alcatel 1S (2021)
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A516B/DS -
Form Factor Touch Touch
Height 158.9 mm 165.64 mm Alcatel 1S (2021) has greater height than Samsung Galaxy A51 5G.
Width 73.6 mm 75.59 mm Alcatel 1S (2021) has greater width than Samsung Galaxy A51 5G.
Depth 8.7 mm 8.8 mm Samsung Galaxy A51 5G is narrower than Samsung Galaxy A51 5G.
Weight 187 g 190 g Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G.
Body Colour Prism cube black | Prism cube white -
Waterproof (Water-resistant) - -
SAR Value 1.555 W/kg (body), 0.496 W/kg (head) 2.99 W/kg (limb), 1.42 W/kg (body), 0.42 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
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 A51 5G Alcatel 1S (2021)
Display Type OLED display LCD display
Display Technology Infinity-O Super AMOLED IPS
Screen Size (Display Size) 6.5" 6.52" Alcatel 1S (2021) has larger screen size than Samsung Galaxy A51 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels Samsung Galaxy A51 5G has better screen resolution than Alcatel 1S (2021).
Display Format Full HD+ HD+
Aspect Ratio - 20:9
Colour Depth 16.7 million colours -
Display Features Edge-to-Edge screen 2.5D Glass, Reading mode, Dark mode, Vast Display, One-handed Mode
PROCESSOR Samsung Galaxy A51 5G Alcatel 1S (2021)
Processor Type (CPU) - MediaTek
Processor Number - MTK6762D
Clock Speed 2.2 GHz 1.8 GHz Samsung Galaxy A51 5G has higher clock speed than Alcatel 1S (2021).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy A51 5G has 64-bit architecture.
Graphics System (GPU) - IMG GE8320
MEMORY Samsung Galaxy A51 5G Alcatel 1S (2021)
RAM 6 GB 3 GB Samsung Galaxy A51 5G has more RAM than Alcatel 1S (2021).
Internal Memory Size (Storage Capacity) 128 GB 32 GB Samsung Galaxy A51 5G has more internal memory than Alcatel 1S (2021).
User Memory 105.3 GB 17 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 1 TB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA Samsung Galaxy A51 5G Alcatel 1S (2021)
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 13 Megapixel Samsung Galaxy A51 5G has better camera resolution than Alcatel 1S (2021).
Sensor Size - 1/3.06"
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Lens Construction - 5-element
Field of View (FoV) - 77.1 degree(s)
Pixel Size - 1.12 μm
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects Bokeh effect HDR
Camera Modes Slow motion video Panorama, Pro mode, Best Shot, Bokeh Mode, Light Trace
Face Recognition (Face ID) - Face tracking Alcatel 1S (2021) has face detection.
Light Source LED flash Single tone 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 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Live Focus, background blur Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI scene detection, AI Composition, AI Filter, Smart Album
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy A51 5G has better second camera resolution than Alcatel 1S (2021).
Sensor Size (2nd Camera) - 1/5"
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy A51 5G has better second camera lens aperture than Samsung Galaxy A51 5G.
Lens Element Qty (2nd Camera) - 3-element
Field of View (2nd Camera) 123 degree(s) 87.3 degree(s) Samsung Galaxy A51 5G has larger second camera lens field of view than Alcatel 1S (2021).
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) 5 Megapixel 2 Megapixel Samsung Galaxy A51 5G has higher resolution third camera than Alcatel 1S (2021).
Sensor Size (3rd Camera) - 1/5"
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
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 Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
Lens Aperture (4th Camera) F/2.2 -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 5 Megapixel Samsung Galaxy A51 5G has better front camera resolution than Alcatel 1S (2021).
Sensor Size (Front) - 1/5"
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Field of View (Front) - 76 degree(s)
Pixel Size (Front) - 1.12 μm
Focus Adjustment Focus free 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 Samsung Galaxy A51 5G Alcatel 1S (2021)
Battery Capacity (Battery Size) 4500 mAh 4000 mAh Samsung Galaxy A51 5G has larger battery capacity than Alcatel 1S (2021).
Recharge Time (Charging Time) - 150 min
Standby Time - 512 hours
Talk Time 1380 minutes 1920 minutes Alcatel 1S (2021) has longer battery life when making calls than Samsung Galaxy A51 5G.
Run Time Details Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
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
CELLULAR Samsung Galaxy A51 5G Alcatel 1S (2021)
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Samsung Galaxy A51 5G has more advanced generation mobile network.
Operating System - Android 11
Intelligent Assistant Bixby Google Assistant
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A51 5G Alcatel 1S (2021)
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSPA+, 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 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band N41, n78 -
5G NR Frequency TDD TD 2500, TDD TD 3500 -
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Samsung Galaxy A51 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 5G Alcatel 1S (2021)
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC
FEATURES Samsung Galaxy A51 5G Alcatel 1S (2021)
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, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, proximity sensor, digital compass, light sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader
Security Technology - Face Key
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing Multitasking, HD Voice, dual microphones with noise cancellation, Google Lens, Google Assistant Button
OTHERS Samsung Galaxy A51 5G Alcatel 1S (2021)
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool, LCD sticker
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