In depth comparison and review of Samsung Galaxy A21s and Alcatel U3 2019. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | 4034L | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 121.3 mm | Samsung Galaxy A21s has greater height than Alcatel U3 2019. |
| Width | 75.3 mm | 64.4 mm | Samsung Galaxy A21s has greater width than Alcatel U3 2019. |
| Depth | 8.9 mm | 9.7 mm | Samsung Galaxy A21s is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 110 g | Alcatel U3 2019 is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 1.48 W/kg (body), 1.08 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | PLS TFT | - | |
| Screen Size (Display Size) | 6.5" | 4" | Samsung Galaxy A21s has larger screen size than Alcatel U3 2019. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 800 x 480 pixels | Samsung Galaxy A21s has better screen resolution than Alcatel U3 2019. |
| Display Format | HD+ | WVGA | |
| Aspect Ratio | 20:9 | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Infinity O display | - |
| PROCESSOR | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580M | |
| Clock Speed | 2 GHz | 1.3 GHz | Samsung Galaxy A21s has higher clock speed than Alcatel U3 2019. |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy A21s has higher processor core quantity than Alcatel U3 2019. |
| MEMORY | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| RAM | 3 GB | 512 MB | Samsung Galaxy A21s has more RAM than Alcatel U3 2019. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 4 GB | Samsung Galaxy A21s has more internal memory than Alcatel U3 2019. |
| User Memory | 19.5 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 3 Megapixel | Samsung Galaxy A21s has better camera resolution than Alcatel U3 2019. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | - | |
| Field of View (FoV) | 80 degree(s) | - | |
| Focus Adjustment | Automatic | - | |
| Digital Zoom | 8x | - | |
| Camera Modes | Live Focus mode | - | |
| Light Source | LED flash | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | Live Focus | Interpolated to 3MP |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | - | |
|---|---|---|---|
| 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 | 1.3 Megapixel | Samsung Galaxy A21s has better front camera resolution than Alcatel U3 2019. |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | - | |
| Camera Features (Front) | - | Interpolated to 1.3MP |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 1500 mAh | Samsung Galaxy A21s has larger battery capacity than Alcatel U3 2019. |
|---|---|---|---|
| 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 Ion | - |
| CELLULAR | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | Samsung Galaxy A21s has more advanced generation mobile network. |
| Operating System | - | Android 8.0 Oreo (Go edition) | |
| User Interface | One UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE | |
|---|---|---|---|
| 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | 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 700 APT, TDD 2600, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.0 | |
| NFC | Yes | - | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, AAC +, MIDI, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | G-sensor | |
| Security Devices | Face recognition, fingerprint reader | - | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | - |
| OTHERS | Samsung Galaxy A21s | Alcatel U3 2019 |
|---|
| Included Accessories | Power adapter | - |
|---|
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