In depth comparison and review of Xiaomi Redmi 7A and Samsung Galaxy A90 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A908B | |
| Form Factor | Touch | Touch | |
| Height | 146.3 mm | 164.8 mm | Samsung Galaxy A90 5G has greater height than Xiaomi Redmi 7A. |
| Width | 70.41 mm | 76.4 mm | Samsung Galaxy A90 5G has greater width than Xiaomi Redmi 7A. |
| Depth | 9.55 mm | 8.4 mm | Samsung Galaxy A90 5G is narrower than Xiaomi Redmi 7A. |
| Weight | 165 g | 206 g | Xiaomi Redmi 7A is lighter than Xiaomi Redmi 7A. |
| Body Colour | Matte black | White | Black | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | 1.547 W/kg (body), 0.377 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB 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 | Single-SIM |
| DISPLAY | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | Super AMOLED | |
| Screen Size (Display Size) | 5.45" | 6.7" | Samsung Galaxy A90 5G has larger screen size than Xiaomi Redmi 7A. |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2400 x 1080 pixels | Samsung Galaxy A90 5G has better screen resolution than Xiaomi Redmi 7A. |
| Display Format | HD+ | Full 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 | Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 439 | - | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.8 GHz | Samsung Galaxy A90 5G has higher clock speed than Xiaomi Redmi 7A. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | - |
| MEMORY | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| RAM | 2 GB | 6 GB | Samsung Galaxy A90 5G has more RAM than Xiaomi Redmi 7A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Samsung Galaxy A90 5G has more internal memory than Xiaomi Redmi 7A. |
| User Memory | - | 106.4 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 A90 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A90 5G has better camera resolution than Xiaomi Redmi 7A. |
| Lens Aperture | F/2.2 | F/2.0 | Samsung Galaxy A90 5G has better lens aperture than Xiaomi Redmi 7A. |
| Pixel Size | 1.25 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| 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 | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Live Focus, Super steady |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 | |
| Field of View (3rd Camera) | - | 123 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Samsung Galaxy A90 5G 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 | - | |
| Camera Features (Front) | Selfie countdown | - |
| BATTERY AND CHARGING | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | Samsung Galaxy A90 5G has larger battery capacity than Xiaomi Redmi 7A. |
|---|---|---|---|
| Fast Charging Technology | - | Samsung Super Fast Charging | Samsung Galaxy A90 5G has fast charging technology. |
| Talk Time | - | 3240 minutes | |
| Run Time Details | - | Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (wireless video): up to 25 hrs Playback (wireless audio): up to 101 hrs Talk (LTE): up to 3240 min |
| CELLULAR | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy A90 5G has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Google Android | |
| User Interface | MIUI 9 | - | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 26, 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 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N78 | |
| 5G NR Frequency | - | TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| NFC | - | Yes | Samsung Galaxy A90 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| 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 A90 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, proximity sensor, digital compass | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | Face recognition | Fingerprint reader (under display) | |
| Security Technology | A.I. face recognition | - | |
| Additional Phone Features | AI face unlock | MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines |
| OTHERS | Xiaomi Redmi 7A | Samsung Galaxy A90 5G |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter | |
|---|---|---|---|
| Compliant Standards | TÜV Rheinland Certified Eye-Care | - |
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