In depth comparison and review of Xiaomi MI Max 3 and Samsung Galaxy A31. 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 MI Max 3 | Samsung Galaxy A31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A315G/DS | |
| Form Factor | Touch | Touch | |
| Height | 176.15 mm | 159.3 mm | Xiaomi MI Max 3 has greater height than Samsung Galaxy A31. |
| Width | 87.4 mm | 73.1 mm | Xiaomi MI Max 3 has greater width than Samsung Galaxy A31. |
| Depth | 7.99 mm | 8.6 mm | Xiaomi MI Max 3 is narrower than Xiaomi MI Max 3. |
| Weight | 221 g | 185 g | Samsung Galaxy A31 is lighter than Xiaomi MI Max 3. |
| Body Colour | - | Prism crush black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.417 W/kg (body), 1.584 W/kg (head) | 1.68 W/kg (body), 0.488 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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 | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 6.9" | 6.4" | Xiaomi MI Max 3 has larger screen size than Samsung Galaxy A31. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A31 has better screen resolution than Xiaomi MI Max 3. |
| Display Format | Full HD+ | Full HD+ | |
| Aspect Ratio | 18:9 | - | |
| Max Brightness | 520 cd/m² | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1500:1 | - | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Night mode, Edge-to-Edge screen, Infinity U Display |
| PROCESSOR | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 636 | - | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2 GHz | Samsung Galaxy A31 has higher clock speed than Xiaomi MI Max 3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi MI Max 3 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 509 | - |
| MEMORY | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 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 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A31 has better camera resolution than Xiaomi MI Max 3. |
| Lens Aperture | F/1.9 | F/2.0 | Xiaomi MI Max 3 has better lens aperture than Xiaomi MI Max 3. |
| Field of View (FoV) | - | 80 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, Panorama, AI portrait mode | Depth bokeh | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Max 3 has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Dual Pixel Autofocus technology, AI scene detection | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Samsung Galaxy A31 has better second camera resolution than Xiaomi MI Max 3. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 40 mm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd 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) | 8 Megapixel | 20 Megapixel | Samsung Galaxy A31 has better front camera resolution than Xiaomi MI Max 3. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Xiaomi MI Max 3 has better front lens aperture than Xiaomi MI Max 3. |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | AI portrait mode, AI Beautify | - | |
| Face Recognition (Face ID) | Face detection | - | Xiaomi MI Max 3 has face detection. |
| BATTERY AND CHARGING | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Battery Capacity (Battery Size) | 5500 mAh | 5000 mAh | Xiaomi MI Max 3 has larger battery capacity than Samsung Galaxy A31. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI Max 3 has fast charging technology. |
| Standby Time | 474 hours | - | |
| Talk Time | - | 1980 minutes | |
| Run Time Details | Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (audio): up to 233 hrs Standby: up to 474 hrs |
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 | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.1 Oreo | Android 10 | |
| User Interface | MIUI 10 | One UI | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 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 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41 | 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Samsung Galaxy A31 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG4-ASP | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| 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, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Face Unlock, infrared remote control, Split Screen | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing |
| OTHERS | Xiaomi MI Max 3 | Samsung Galaxy A31 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Power adapter |
|---|
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