Detailed comparison and review of Samsung Galaxy A21s and Samsung Galaxy A42 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A217F/DSN | SM-A426B/DS | |
| Form Factor | Touch | Touch | |
| Height | 163.7 mm | 164.4 mm | Samsung Galaxy A42 5G has greater height than Samsung Galaxy A21s. |
| Width | 75.3 mm | 75.9 mm | Samsung Galaxy A42 5G has greater width than Samsung Galaxy A21s. |
| Depth | 8.9 mm | 8.6 mm | Samsung Galaxy A42 5G is narrower than Samsung Galaxy A21s. |
| Weight | 192 g | 193 g | Samsung Galaxy A21s is lighter than Samsung Galaxy A21s. |
| Body Colour | White | Blue | Black | Prism dot black | Prism dot white | Prism dot grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | 1.334 W/kg (body), 1.154 W/kg (head) | |
| 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 | Samsung Galaxy A42 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS TFT | Super AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.6" | Samsung Galaxy A42 5G has larger screen size than Samsung Galaxy A21s. |
| 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 | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Infinity O display | Night mode, Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Clock Speed | 2 GHz | 2.2 GHz | Samsung Galaxy A42 5G has higher clock speed than Samsung Galaxy A21s. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| RAM | 3 GB | 4 GB | Samsung Galaxy A42 5G has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy A42 5G has more internal memory than Samsung Galaxy A21s. |
| User Memory | 19.5 GB | 106 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.8 | Samsung Galaxy A42 5G has better lens aperture than Samsung Galaxy A21s. |
| Field of View (FoV) | 80 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 10x | Samsung Galaxy A42 5G has better digital zoom than Samsung Galaxy A21s. |
| Special Effects | - | Bokeh effect | |
| Camera Modes | Live Focus mode | Live Focus mode | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Live Focus | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 5 Megapixel | Samsung Galaxy A42 5G has higher resolution third camera than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 5 Megapixel | Samsung Galaxy A42 5G has higher resolution fourth camera than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Camera Functions (4th Camera) | Depth camera | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 20 Megapixel | Samsung Galaxy A42 5G has better front camera resolution than Samsung Galaxy A21s. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | - | Live Focus mode | |
| Video Resolutions (Front) | - | 3840 x 2160 (4K) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | - | Adaptive Fast Charging | Samsung Galaxy A42 5G has fast charging technology. |
| Talk Time | 3240 minutes | 2160 minutes | Samsung Galaxy A21s has longer battery life when making calls than Samsung Galaxy A42 5G. |
| 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 |
Active online usage (LTE): up to 21 hrs Active online usage (Wi-Fi): up to 22 hrs Playback (audio): up to 130 hrs Talk (4G): up to 2160 min Playback (video): up to 34 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A42 5G has more advanced generation mobile network. |
| Operating System | - | Google Android | |
| User Interface | One UI | One UI | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 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 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n28, n41, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | 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 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| 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 | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, light sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Samsung KNOX, Virtual Light Sensing | Samsung KNOX, Game Booster |
| OTHERS | Samsung Galaxy A21s | Samsung Galaxy A42 5G |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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