Side by side comparison and review of Alcatel POP 4 5051X and Samsung Galaxy A21s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A217F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 140.7 mm | 163.7 mm | Samsung Galaxy A21s has greater height than Alcatel POP 4 5051X. |
| Width | 71.4 mm | 75.3 mm | Samsung Galaxy A21s has greater width than Alcatel POP 4 5051X. |
| Depth | 7.99 mm | 8.9 mm | Alcatel POP 4 5051X is narrower than Alcatel POP 4 5051X. |
| Weight | 134 g | 192 g | Alcatel POP 4 5051X is lighter than Alcatel POP 4 5051X. |
| Body Colour | Dark grey | White | Blue | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.83 W/kg (body), 0.901 W/kg (head) | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | PLS TFT | |
| Screen Size (Display Size) | 5" | 6.5" | Samsung Galaxy A21s has larger screen size than Alcatel POP 4 5051X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Samsung Galaxy A21s has better screen resolution than Alcatel POP 4 5051X. |
| Display Format | HD | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Full Lamination | Infinity O display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | - | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 2 GHz | Samsung Galaxy A21s has higher clock speed than Alcatel POP 4 5051X. |
| Processor Core Qty | Quad-core | 8-core | Samsung Galaxy A21s has higher processor core quantity than Alcatel POP 4 5051X. |
| MEMORY | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| RAM | 1 GB | 3 GB | Samsung Galaxy A21s has more RAM than Alcatel POP 4 5051X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 32 GB | Samsung Galaxy A21s has more internal memory than Alcatel POP 4 5051X. |
| User Memory | - | 19.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than Alcatel POP 4 5051X. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | - | F/2.0 | |
| Field of View (FoV) | - | 80 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | - | Live Focus mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1280 x 720 (720p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | QR-code scanner | Live Focus |
| 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) | 5 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than Alcatel POP 4 5051X. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | - | F/2.2 | |
| Focus Adjustment | - | Focus free | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 5000 mAh | Samsung Galaxy A21s has larger battery capacity than Alcatel POP 4 5051X. |
|---|---|---|---|
| Recharge Time (Charging Time) | 4 hour(s) | - | |
| Standby Time | 420 hours | - | |
| Talk Time | 720 minutes | 3240 minutes | Samsung Galaxy A21s has longer battery life when making calls than Alcatel POP 4 5051X. |
| Run Time Details | Talk (GSM): up to 720 min Talk (WCDMA): up to 540 min Talk (LTE): up to 300 min Standby (GSM): up to 420 hrs Standby (WCDMA): up to 420 hrs Standby (LTE): up to 400 hrs |
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 | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| 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 (Marshmallow) | - | |
| User Interface | - | One UI | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 28 | 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 1800+, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT | 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 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A21s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Supported Digital Audio Standards | AAC | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, G-sensor, hall sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | HD Voice | Samsung KNOX, Virtual Light Sensing |
| OTHERS | Alcatel POP 4 5051X | Samsung Galaxy A21s |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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