Detailed comparison and review of Samsung Galaxy A20 and Samsung Galaxy A51 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 A20 | Samsung Galaxy A51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A205G/DS | SM-A516B/DS | |
| Form Factor | Touch | Touch | |
| Height | 158.4 mm | 158.9 mm | Samsung Galaxy A51 5G has greater height than Samsung Galaxy A20. |
| Width | 74.7 mm | 73.6 mm | Samsung Galaxy A20 has greater width than Samsung Galaxy A51 5G. |
| Depth | 7.8 mm | 8.7 mm | Samsung Galaxy A20 is narrower than Samsung Galaxy A20. |
| Weight | 169 g | 187 g | Samsung Galaxy A20 is lighter than Samsung Galaxy A20. |
| Body Colour | Red | Coral orange | Black | Prism cube black | Prism cube white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.46 W/kg (body), 0.32 W/kg (head) | 1.555 W/kg (body), 0.496 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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 A20 | Samsung Galaxy A51 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Infinity-O Super AMOLED | |
| Screen Size (Display Size) | 6.4" | 6.5" | Samsung Galaxy A51 5G has larger screen size than Samsung Galaxy A20. |
| Screen Resolution (Display Resolution) | 1560 x 720 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 5G has better screen resolution than Samsung Galaxy A20. |
| Display Format | HD+ | Full HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | Night mode, Infinity V Display | Edge-to-Edge screen |
| PROCESSOR | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| Clock Speed | 1.6 GHz | 2.2 GHz | Samsung Galaxy A51 5G has higher clock speed than Samsung Galaxy A20. |
|---|---|---|---|
| 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 A20 | Samsung Galaxy A51 5G |
|---|
| RAM | 3 GB | 6 GB | Samsung Galaxy A51 5G has more RAM than Samsung Galaxy A20. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy A51 5G has more internal memory than Samsung Galaxy A20. |
| User Memory | 21.7 GB | 105.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A51 5G has better camera resolution than Samsung Galaxy A20. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.9 | F/2.0 | Samsung Galaxy A20 has better lens aperture than Samsung Galaxy A20. |
| Field of View (FoV) | 76 degree(s) | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | Bokeh effect | |
| Camera Modes | - | Slow motion video | |
| Light Source | LED flash | LED 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, background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy A51 5G has better second camera resolution than Samsung Galaxy A20. |
|---|---|---|---|
| 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 | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.2 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than Samsung Galaxy A20. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A20 has better front lens aperture than Samsung Galaxy A20. |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | Selfie focus | - | |
| Light Source (Front) | Display flash | - |
| BATTERY AND CHARGING | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | Samsung Galaxy A51 5G has larger battery capacity than Samsung Galaxy A20. |
|---|---|---|---|
| Talk Time | 1560 minutes | 1380 minutes | Samsung Galaxy A20 has longer battery life when making calls than Samsung Galaxy A51 5G. |
| Run Time Details | Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 21 hrs Playback (audio): up to 82 hrs Talk (3G): up to 1560 min |
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 |
| CELLULAR | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| User Interface | Samsung One UI | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | 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 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 | |
| 5G NR Band | - | N41, n78 | |
| 5G NR Frequency | - | TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A20 | Samsung Galaxy A51 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 |
| FEATURES | Samsung Galaxy A20 | Samsung Galaxy A51 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, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Fast Charging | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing |
| OTHERS | Samsung Galaxy A20 | Samsung Galaxy A51 5G |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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