Side by side comparison and review of Samsung Galaxy A21s and CAT S53. 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 | Samsung Galaxy A21s | CAT S53 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 163.7 mm | 171 mm | CAT S53 has greater height than Samsung Galaxy A21s. |
| Width | 75.3 mm | 81 mm | CAT S53 has greater width than Samsung Galaxy A21s. |
| Depth | 8.9 mm | 16 mm | Samsung Galaxy A21s is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 320 g | Samsung Galaxy A21s is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | - | |
| Protection | - | Shockproof, dustproof, waterproof, sandproof, dirtproof, drop-proof, vibration-resistant, temperature protection, salt mist protection, bleach resistant | |
| Waterproof (Water-resistant) | - | Yes | CAT S53 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | - | |
| Integrated Components | - | LED flashlight | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C 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 |
| DISPLAY | Samsung Galaxy A21s | CAT S53 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | PLS TFT | - | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1600 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD+ | HD+ | |
| Aspect Ratio | 20:9 | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Super Bright Display | |
| Display Features | Infinity O display | Glove & Wet Touch | |
| Display Protection (Screen Protector) | - | Scratch-resistant glass, tempered glass |
| PROCESSOR | Samsung Galaxy A21s | CAT S53 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 480 5G | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy A21s | CAT S53 |
|---|
| RAM | 3 GB | 6 GB | CAT S53 has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | CAT S53 has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A21s | CAT S53 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.79 | CAT S53 has better lens aperture than Samsung Galaxy A21s. |
| Field of View (FoV) | 80 degree(s) | - | |
| Focus Adjustment | Automatic | - | |
| Digital Zoom | 8x | - | |
| Camera Modes | Live Focus mode | - | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | Live Focus | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Samsung Galaxy A21s has better second camera resolution than CAT S53. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| 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 | 16 Megapixel | CAT S53 has better front camera resolution than Samsung Galaxy A21s. |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | - |
| BATTERY AND CHARGING | Samsung Galaxy A21s | CAT S53 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5500 mAh | CAT S53 has larger battery capacity than Samsung Galaxy A21s. |
|---|---|---|---|
| Wireless Charging | - | Yes | CAT S53 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| 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 | Lithium polymer |
| CELLULAR | Samsung Galaxy A21s | CAT S53 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | CAT S53 has more advanced generation mobile network. |
| Operating System | - | Android 11 | |
| User Interface | One UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | - |
| COMMUNICATIONS | Samsung Galaxy A21s | CAT S53 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | LTE, VoLTE, 5G NR FR1 | |
|---|---|---|---|
| 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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 | 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n28, n41, n66, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | CAT S53 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy A21s | CAT S53 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | - | |
| Security Devices | Face recognition, fingerprint reader | - | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | Fast Charging, 2 years of Security Updates, programmable push-to-talk button, Android Enterprise Zero-touch enrollment |
| OTHERS | Samsung Galaxy A21s | CAT S53 |
|---|
| Included Accessories | Power adapter | - | |
|---|---|---|---|
| Compliant Standards | - | IP68, IP69K, MIL-STD-810H | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Height of Shock Resistance | - | 1.8 m | |
| Max Operating Temperature | - | 55 °C | |
| Min Operating Temperature | - | -25 °C |
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