Alcatel Idol 4S vs. Samsung Galaxy A20

Phone Comparison, Reviews and Tests

In depth comparison and review of Alcatel Idol 4S and Samsung Galaxy A20. 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

Alcatel Idol 4S vs. Samsung Galaxy A20 Comparison Chart
DESIGN AND DIMENSIONS Alcatel Idol 4S Samsung Galaxy A20
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A205G/DS
Form Factor Touch Touch
Height 153.9 mm 158.4 mm Samsung Galaxy A20 has greater height than Alcatel Idol 4S.
Width 75.4 mm 74.7 mm Alcatel Idol 4S has greater width than Samsung Galaxy A20.
Depth 7 mm 7.8 mm Alcatel Idol 4S is narrower than Alcatel Idol 4S.
Weight 149 g 169 g Alcatel Idol 4S is lighter than Alcatel Idol 4S.
Body Colour Dark grey Red | Coral orange | Black
Waterproof (Water-resistant) - -
SAR Value - 0.46 W/kg (body), 0.32 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
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 (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Alcatel Idol 4S Samsung Galaxy A20
Display Type OLED display OLED display
Display Technology AMOLED Super AMOLED
Screen Size (Display Size) 5.5" 6.4" Samsung Galaxy A20 has larger screen size than Alcatel Idol 4S.
Screen Resolution (Display Resolution) 2560 x 1440 pixels 1560 x 720 pixels Alcatel Idol 4S has better screen resolution than Samsung Galaxy A20.
Display Format QHD HD+
Pixel Density 534 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Night mode, Infinity V Display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass), 2.5D Arc Glass -
PROCESSOR Alcatel Idol 4S Samsung Galaxy A20
Processor Type (CPU) Qualcomm Snapdragon 652 -
Processor Number MSM8976 -
Clock Speed 1.8 GHz 1.6 GHz Alcatel Idol 4S has higher clock speed than Samsung Galaxy A20.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 510 -
MEMORY Alcatel Idol 4S Samsung Galaxy A20
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory - 21.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Alcatel Idol 4S Samsung Galaxy A20
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 13 Megapixel Alcatel Idol 4S has better camera resolution than Samsung Galaxy A20.
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.9 Samsung Galaxy A20 has better lens aperture than Alcatel Idol 4S.
Field of View (FoV) - 76 degree(s)
Focus Adjustment Automatic Automatic
HDR Mode Auto HDR mode -
Camera Modes Panorama -
Light Source Dual LED flash LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) -
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.4 F/2.0 Samsung Galaxy A20 has better front lens aperture than Alcatel Idol 4S.
Focus Adjustment - Focus free
Camera Modes (Front) - Selfie focus
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
BATTERY AND CHARGING Alcatel Idol 4S Samsung Galaxy A20
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Samsung Galaxy A20 has larger battery capacity than Alcatel Idol 4S.
Recharge Time (Charging Time) 100 min -
Standby Time 420 hours -
Talk Time 780 minutes 1560 minutes Samsung Galaxy A20 has longer battery life when making calls than Alcatel Idol 4S.
Run Time Details Talk: up to 780 min
Standby: up to 420 hrs
Active online usage (3G): up to 12 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 82 hrs
Talk (3G): up to 1560 min
Battery Technology Lithium Ion -
CELLULAR Alcatel Idol 4S Samsung Galaxy A20
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0.1 (Marshmallow) -
User Interface - Samsung One UI
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Alcatel Idol 4S Samsung Galaxy A20
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 8
3G UMTS Frequency - 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 13, Band 17, Band 20, Band 28, Band 38, 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 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Alcatel Idol 4S Samsung Galaxy A20
Supported Digital Audio Standards WAV, WMA, MP3, AAC + WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards XviD, MPEG-4, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Hi-Fi Sound support -
FEATURES Alcatel Idol 4S Samsung Galaxy A20
Phone Functions Speakerphone, call timer, conference call, flight mode, 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, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Face recognition, fingerprint reader
Additional Phone Features Radio Data Service (RDS), HD Voice, Dual noise reduction microphones Fast Charging
OTHERS Alcatel Idol 4S Samsung Galaxy A20
Included Accessories Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles Power adapter
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