Side by side comparison and review of Samsung Galaxy A31 and Xiaomi Redmi Note 9T. 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 | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 159.3 mm | 161.9 mm | Xiaomi Redmi Note 9T has greater height than Samsung Galaxy A31. |
| Width | 73.1 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than Samsung Galaxy A31. |
| Depth | 8.6 mm | 9.05 mm | Samsung Galaxy A31 is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 199 g | Samsung Galaxy A31 is lighter than Samsung Galaxy A31. |
| Body Colour | Prism crush black | Daybreak purple | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.68 W/kg (body), 0.488 W/kg (head) | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
| Connector Type | 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 |
| DISPLAY | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.4" | 6.53" | Xiaomi Redmi Note 9T has larger screen size than Samsung Galaxy A31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2340 x 1080 pixels | Samsung Galaxy A31 has better screen resolution than Xiaomi Redmi Note 9T. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | Reading mode, night mode, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Processor Type (CPU) | - | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.3 GHz | Xiaomi Redmi Note 9T has higher clock speed than Samsung Galaxy A31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Mali-G57 |
| MEMORY | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| User Memory | 46.2 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSD |
| CAMERA | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/2.0 | F/1.79 | Xiaomi Redmi Note 9T has better lens aperture than Samsung Galaxy A31. |
| Field of View (FoV) | 80 degree(s) | - | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Camera Modes | Depth bokeh | - | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 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 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Live Focus | 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | Samsung Galaxy A31 has better second camera resolution than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Samsung Galaxy A31 has better second camera lens aperture than Samsung Galaxy A31. |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Pixel Size (2nd Camera) | - | 1.75 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro camera | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A31 has higher resolution third camera than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Depth camera | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 13 Megapixel | Samsung Galaxy A31 has better front camera resolution than Xiaomi Redmi Note 9T. |
| Lens Aperture (Front) | F/2.2 | F/2.25 | Samsung Galaxy A31 has better front lens aperture than Samsung Galaxy A31. |
| Focus Adjustment | Focus free | - | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9T has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps |
| BATTERY AND CHARGING | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | 1980 minutes | - | |
| Run Time Details | Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
- |
| CELLULAR | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 9T has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | One UI | MIUI 12 | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 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 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42 | |
| 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, LDAC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
| OTHERS | Samsung Galaxy A31 | Xiaomi Redmi Note 9T |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
