In depth comparison and review of Samsung Galaxy A90 5G and Realme C31. 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 | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A908B | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 164.8 mm | 164.7 mm | Samsung Galaxy A90 5G has greater height than Realme C31. |
| Width | 76.4 mm | 76.1 mm | Samsung Galaxy A90 5G has greater width than Realme C31. |
| Depth | 8.4 mm | 8.4 mm | Both phones are the same depth. |
| Weight | 206 g | 197 g | Realme C31 is lighter than Samsung Galaxy A90 5G. |
| Body Colour | White | Black | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.547 W/kg (body), 0.377 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.7" | 6.5" | Samsung Galaxy A90 5G has larger screen size than Realme C31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A90 5G has better screen resolution than Realme C31. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | Edge-to-Edge screen, Infinity U Display | Ultra-clear View |
| PROCESSOR | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Processor Type (CPU) | - | Unisoc | |
|---|---|---|---|
| Processor Number | - | T612 | |
| Clock Speed | 2.8 GHz | 1.82 GHz | Samsung Galaxy A90 5G has higher clock speed than Realme C31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A90 5G has 64-bit architecture. |
| Graphics System (GPU) | - | ARM Mali-G57 |
| MEMORY | Samsung Galaxy A90 5G | Realme C31 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Samsung Galaxy A90 5G has more RAM than Realme C31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy A90 5G has more internal memory than Realme C31. |
| User Memory | 106.4 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A90 5G | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | Samsung Galaxy A90 5G has better camera resolution than Realme C31. |
| Lens Aperture | F/2.0 | F/2.2 | Samsung Galaxy A90 5G has better lens aperture than Samsung Galaxy A90 5G. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR | |
| Camera Modes | - | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Live Focus, Super steady | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A90 5G has better second camera resolution than Realme C31. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A90 5G has better second camera lens aperture than Samsung Galaxy A90 5G. |
| Camera Functions (2nd Camera) | Depth camera | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 0.3 Megapixel | Samsung Galaxy A90 5G has higher resolution third camera than Realme C31. |
|---|---|---|---|
| Lens Type (3rd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.8 | Samsung Galaxy A90 5G has better third camera lens aperture than Samsung Galaxy A90 5G. |
| Field of View (3rd Camera) | 123 degree(s) | - | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 5 Megapixel | Samsung Galaxy A90 5G has better front camera resolution than Realme C31. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Samsung Galaxy A90 5G has better front lens aperture than Samsung Galaxy A90 5G. |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Selfie focus | Beauty mode, Filter mode | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Realme C31 has larger battery capacity than Samsung Galaxy A90 5G. |
|---|---|---|---|
| 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 |
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| CELLULAR | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy A90 5G has more advanced generation mobile network. |
| Operating System | Google Android | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 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 26, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 5, Band 7, Band 8, 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 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N78 | - | |
| 5G NR Frequency | TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Samsung Galaxy A90 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Supported Digital Audio Standards | 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 | - |
| FEATURES | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (side) | |
| Additional Phone Features | MIMO technology, Samsung KNOX, Samsung DeX support, Bixby Vision, Bixby Routines | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | Samsung Galaxy A90 5G | Realme C31 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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