Detailed comparison and review of Samsung Galaxy A51 5G 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 A51 5G | Samsung Galaxy A42 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A516B/DS | SM-A426B/DS | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 164.4 mm | Samsung Galaxy A42 5G has greater height than Samsung Galaxy A51 5G. |
| Width | 73.6 mm | 75.9 mm | Samsung Galaxy A42 5G has greater width than Samsung Galaxy A51 5G. |
| Depth | 8.7 mm | 8.6 mm | Samsung Galaxy A42 5G is narrower than Samsung Galaxy A51 5G. |
| Weight | 187 g | 193 g | Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G. |
| Body Colour | Prism cube black | Prism cube white | Prism dot black | Prism dot white | Prism dot grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.555 W/kg (body), 0.496 W/kg (head) | 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 | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.6" | Samsung Galaxy A42 5G has larger screen size than Samsung Galaxy A51 5G. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A51 5G has better screen resolution than Samsung Galaxy A42 5G. |
| Display Format | Full HD+ | HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Edge-to-Edge screen | Night mode, Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| Clock Speed | 2.2 GHz | 2.2 GHz | Both phones have the same clock speed. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A51 5G has 64-bit architecture. |
| MEMORY | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| RAM | 6 GB | 4 GB | Samsung Galaxy A51 5G has more RAM than Samsung Galaxy A42 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 105.3 GB | 106 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A51 5G | 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 Aperture | F/2.0 | F/1.8 | Samsung Galaxy A42 5G has better lens aperture than Samsung Galaxy A51 5G. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 10x | Samsung Galaxy A42 5G has better digital zoom than Samsung Galaxy A51 5G. |
| Special Effects | Bokeh effect | Bokeh effect | |
| Camera Modes | Slow motion video | Live Focus mode | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 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 | 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, background blur | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 5G has better second camera resolution than Samsung Galaxy A42 5G. |
|---|---|---|---|
| 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) | 5 Megapixel | 5 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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 |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same resolution of the fourth camera. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.2 | F/2.4 | Samsung Galaxy A51 5G has better fourth camera lens aperture than Samsung Galaxy A51 5G. |
| Camera Functions (4th Camera) | Depth camera | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 20 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than Samsung Galaxy A42 5G. |
| 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 A51 5G | Samsung Galaxy A42 5G |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Samsung Galaxy A42 5G has larger battery capacity than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Adaptive Fast Charging | Samsung Galaxy A42 5G has fast charging technology. |
| Talk Time | 1380 minutes | 2160 minutes | Samsung Galaxy A42 5G has longer battery life when making calls than Samsung Galaxy A51 5G. |
| Run Time Details | Talk (4G): up to 1380 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 19 hrs Playback (audio): up to 86 hrs |
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 |
| CELLULAR | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | - | Google Android | |
| User Interface | - | One UI | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 3, Band 4, Band 5, Band 7, Band 8, Band 12, 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, 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 | N41, n78 | N1, n3, n5, n7, n8, n28, n41, n78, n40 | |
| 5G NR Frequency | TDD TD 2500, TDD TD 3500 | 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, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
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| 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 |
| FEATURES | Samsung Galaxy A51 5G | 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, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, light sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing | Samsung KNOX, Game Booster |
| OTHERS | Samsung Galaxy A51 5G | Samsung Galaxy A42 5G |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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