Skip to content

Samsung Galaxy A21s (SM-A217F) vs Alcatel Idol 4 (6055K)

Side by side comparison between Samsung Galaxy A21s vs Alcatel Idol 4 phones, differences, pros, cons with full specifications. What's the better?

,
Compare Alcatel Idol 4 XSamsung Galaxy A21s (SM-A217F)17Points
Samsung Galaxy A21s (SM-A217F)
6.5"
PLS

720x1600

48
MP

13mp

3GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
Alcatel Idol 4 (6055K)
5.2"
IPS

1080x1920

13
MP

8mp

3GB
RAM

64bit Octa

2610
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21s (SM-A217F)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy A21s (SM-A217F)17 Advantages Samsung Galaxy A21s (SM-A217F)vsIdol 4 (6055K)10 Advantages Alcatel Idol 4 (6055K)
+2Ghz 64bit Octa-Core55%
More powerful processor, you can open your applications faster
vs1.5Ghz 64bit Octa-Core
+3GB LPDDR4XAdvantage
This RAM type is better and more efficient.
vs3GB LPDDR3
+32GB (19GB available)90%
More internal storage for applications and files
vs16GB (10GB available)
+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+6.5"25%
Larger screen
vs5.2"
+(quad camera) 48MP + 8MP + 2MP + 2MP4 times
Higher resolution main camera
vs(back) 13MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+1/2" inches50%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 6.0.1 Marshmallow
+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+5000 mAh92%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2610 mAh
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 a/b/g/n (2.4Ghz, 5Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
192 grams (6.72 ounces)vs+135 grams (4.73 ounces)42%
Lighter
8.9 millimeters (0.35 inches)vs+7.1 millimeters (0.28 inches)25%
Thinner
TFT PLSvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
720x1600 pixelsvs+1080x1920 pixels80%
Higher resolution screen
270 PPIvs+424 PPI57%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED on main camera and LED on front cameraAdvantage
The Dual-LED on main camera and LED on front camera helps in dark places or in low light
Not supportedvs+Ambient Light sensorAdvantage
Sensors help you use the device
15Wvs+18W20%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
It's more advantageous to have more than one phone operator in the same device
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely

25 Common items in both devices
eMMC 5.1
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
f/2.0 (aperture)
Full HD (1920x1080)
+18 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
ModelGalaxy A21s (SM-A217F)Idol 4 (6055K)
Other model namesGalaxy A21s SM-A217F Single-Sim (32GB + 3GB RAM)Alcatel IDOL 4 Dual-Sim 3GB RAM, Alcatel 6055K, OT-6055K
Country or region availableSouth AfricaAustraliaNew Zealand
South Africa, Australia, New Zealand
(Europe)
(Europe)
BrandSamsungAlcatel
Release dateJune, 2020March, 2016
Depth8.9 millimeters (0.35 inches)7.1 millimeters (0.28 inches)
Size (width x height)75.3 x 163.7 millimeters (2.96 x 6.44 in)72.5 x 147 millimeters (2.85 x 5.79 in)
Weight192 grams (6.72 ounces)135 grams (4.73 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Operating systemAndroid 10Android 6.0.1 Marshmallow
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Chipset64bit - Samsung Exynos 850 Octa (8nm)64bit - Qualcomm Snapdragon 617 MSM8952 (28nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
Octa-Core, 2 processors:
1.5Ghz Quad-Core ARM Cortex-A53
1.2Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G52 MP1Qualcomm Adreno 405 550Mhz
RAM memory3GB LPDDR4X3GB LPDDR3
Internal storage32GB (19GB available)
eMMC 5.1
16GB (10GB available)
eMMC 5.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplaySamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Display typeTFT PLSTFT IPS LCD
Screen size6.5" inches5.2" inches
Screen-to-body ratio~82.8% (screen-to-body ratio)~69.9% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)270 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Display features60Hzfeature not registered
Mobile networksSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload300/150 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
LTE Cat4 700/800/900/1800/2100/2600 (Bands 1,3,7,8,20,28)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (iTap), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawidef/2.21/4"1.12µm123º
2MP macrof/2.4
2MP depthf/2.4
13 megapixels
Main camera resolution8000x6000 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashDual-LED on main camera and LED on front camera
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/3" inches
Pixel size0.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
2ª cameraSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Front camera (secondary)13 megapixels8 megapixels
Front camera resolution4128x3096 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.2 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.1" inchesfeature not registered
Pixel size1.12µm pixel1.12µm pixel
MultimediaSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, AAC+
ConnectivitySamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n (2.4Ghz, 5Ghz)
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Other features- Colors: Black, White, Blue, Red
- One UI 2.0
- WiFi direct, hotspot
- Colors: Gold, Dark Gray, Silver, Rose Gold
- USB OTG On-The-Go
- LED notification (white light)
- Oleophobic coating
- Glass back panel
- JBL earphones
- Hi-Fi 3.6W dual-stereo
- Front camera: Wide Angle 84°
- Quick Charge 2.0
- Fast battery charging: 60% in 30min
- Reversible phone
- WiFi direct, hotspot
- VR goggles compatible
Power supplySamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity5000 mAh2610 mAh
Charger, watts15W (9V/1.67A) Fast battery charging18W Fast battery charging
Talk time autonomyfeature not registered900 minutes | 15 hours | 0.6 day
Standbyfeature not registered43200 minutes | 720 hours | 30 days
Radiation rateSamsung Galaxy A21s (SM-A217F)Alcatel Idol 4 (6055K)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.422W/kg (head) | 1.544W/kg (body)feature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.