Side by side comparison and review of Xiaomi Redmi 7A and Samsung Galaxy A20. 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 | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A205G/DS | |
| Form Factor | Touch | Touch | |
| Height | 146.3 mm | 158.4 mm | Samsung Galaxy A20 has greater height than Xiaomi Redmi 7A. |
| Width | 70.41 mm | 74.7 mm | Samsung Galaxy A20 has greater width than Xiaomi Redmi 7A. |
| Depth | 9.55 mm | 7.8 mm | Samsung Galaxy A20 is narrower than Xiaomi Redmi 7A. |
| Weight | 165 g | 169 g | Xiaomi Redmi 7A is lighter than Xiaomi Redmi 7A. |
| Body Colour | Matte black | Red | Coral orange | Black | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | 0.46 W/kg (body), 0.32 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | Super AMOLED | |
| Screen Size (Display Size) | 5.45" | 6.4" | Samsung Galaxy A20 has larger screen size than Xiaomi Redmi 7A. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 1560 x 720 pixels | Samsung Galaxy A20 has better screen resolution than Xiaomi Redmi 7A. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 295 ppi | - | |
| Aspect Ratio | 18:9 | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1000:1 | - | |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Features | Reading mode, Colour temperature adjustment, night mode | Night mode, Infinity V Display |
| PROCESSOR | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 439 | - | |
|---|---|---|---|
| Clock Speed | 2 GHz | 1.6 GHz | Xiaomi Redmi 7A 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 | - | Xiaomi Redmi 7A has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | - |
| MEMORY | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| RAM | 2 GB | 3 GB | Samsung Galaxy A20 has more RAM than Xiaomi Redmi 7A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Samsung Galaxy A20 has more internal memory than Xiaomi Redmi 7A. |
| User Memory | - | 21.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Samsung Galaxy A20 has better camera resolution than Xiaomi Redmi 7A. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.9 | Samsung Galaxy A20 has better lens aperture than Xiaomi Redmi 7A. |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | 1.25 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | AI portrait mode, AI Beautify 4.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Samsung Galaxy A20 has better front camera resolution than Xiaomi Redmi 7A. |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 4.0 | Selfie focus | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7A has face detection. |
| Light Source (Front) | Display flash | Display flash | |
| Camera Features (Front) | Selfie countdown | - |
| BATTERY AND CHARGING | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | - | 1560 minutes | |
| 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 |
| CELLULAR | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | MIUI 9 | Samsung One UI | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 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 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | 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 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A20 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Supported Digital Audio Standards | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| 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, proximity sensor, digital compass | Accelerometer, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader | |
| Security Technology | A.I. face recognition | - | |
| Additional Phone Features | AI face unlock | Fast Charging |
| OTHERS | Xiaomi Redmi 7A | Samsung Galaxy A20 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter | |
|---|---|---|---|
| Compliant Standards | TÜV Rheinland Certified Eye-Care | - |
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