In depth comparison and review of Samsung Galaxy A31 and Motorola RAZR 40 Ultra. 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 A31 | Motorola RAZR 40 Ultra |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A315G/DS | - | |
| Form Factor | Touch | Folder (flip) - touch screen, dual screen | |
| Height | 159.3 mm | 170.83 mm | Motorola RAZR 40 Ultra has greater height than Samsung Galaxy A31. |
| Width | 73.1 mm | 73.95 mm | Motorola RAZR 40 Ultra has greater width than Samsung Galaxy A31. |
| Depth | 8.6 mm | 6.99 mm | Motorola RAZR 40 Ultra is narrower than Samsung Galaxy A31. |
| Weight | 185 g | 184.5 g | Motorola RAZR 40 Ultra is lighter than Samsung Galaxy A31. |
| Dimensions Details | - | Unfolded - 73.95 mm x 6.99 mm x 170.83 mm Folded - 73.95 mm x 15.1 mm x 88.42 mm |
|
| Body Colour | Prism crush black | Glacier blue | Infinite black | Viva magenta | |
| Body Material | - | Vegan leather, 7000 Series aluminium, Corning Gorilla Glass Victus | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | Motorola RAZR 40 Ultra is waterproof. |
| IP rating | - | IP52 | |
| SAR Value | 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 | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| Display Type | OLED display | pOLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Foldable AMOLED (LTPO) | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 6.4" | 6.9" | Motorola RAZR 40 Ultra has larger screen size than Samsung Galaxy A31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2640 x 1080 pixels | Motorola RAZR 40 Ultra has better screen resolution than Samsung Galaxy A31. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 413 ppi | |
| Aspect Ratio | - | 22:9 | |
| Max Brightness | - | 1400 cd/m² | |
| Colour Depth | 16.7 million colours | 1.07 billion colours | Motorola RAZR 40 Ultra has better colour depth than Samsung Galaxy A31. |
| HDR | - | Yes | Motorola RAZR 40 Ultra has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 165 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | Night mode, Edge-to-Edge screen, Infinity U Display | Attentive display, Dark mode, Peak Display, 120% DCI-P3, secondary screen: 1100 nits max brightness | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | pOLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 3.6" | |
| Second Display Resolution | - | 1066 x 1056 pixels | |
| Second Display Colour Depth | - | 1.07 billion colours |
| PROCESSOR | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 8+ Gen 1 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - |
| MEMORY | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| RAM | 4 GB | LPDDR5 SDRAM - 8 GB | Motorola RAZR 40 Ultra has more RAM than Samsung Galaxy A31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | Motorola RAZR 40 Ultra has more internal memory than Samsung Galaxy A31. |
| User Memory | 46.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 12 Megapixel | Samsung Galaxy A31 has better camera resolution than Motorola RAZR 40 Ultra. |
| Lens Aperture | F/2.0 | F/1.5 | Motorola RAZR 40 Ultra has better lens aperture than Samsung Galaxy A31. |
| Field of View (FoV) | 80 degree(s) | - | |
| Pixel Size | - | 1.4 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola RAZR 40 Ultra has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR, Spot Colour | |
| HDR Mode | - | HDR10+ video | |
| Camera Modes | Depth bokeh | Panorama, Pro mode, BurstShot, super resolution mode, Super slow motion, Active photos, Portrait, Night Vision, Portrait video, Hyperlapse video, Live filter, Capture Dual, Auto night vision | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 Ultra has face detection. |
| Light Source | LED flash | Single LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Live Focus | Smart composition, shot optimisation, Google Lens, horizon lock |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 13 Megapixel | Motorola RAZR 40 Ultra has better second camera resolution than Samsung Galaxy A31. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 108 degree(s) | Samsung Galaxy A31 has larger second camera lens field of view than Motorola RAZR 40 Ultra. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 40 mm | - | |
| Camera Functions (2nd Camera) | Macro 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) | 20 Megapixel | 32 Megapixel | Motorola RAZR 40 Ultra has better front camera resolution than Samsung Galaxy A31. |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy A31 has better front lens aperture than Samsung Galaxy A31. |
| Pixel Size (Front) | - | 0.7 μm | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, photo booth, Spot Colour | |
| Camera Modes (Front) | - | BurstShot, Face Beauty, Timelapse video, Active photos, Selfie Mirror, Portrait video, Gesture selfie, Hyperlapse video, Live filter, Capture Dual, Portrait mode beauty, Auto night vision | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 Ultra has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | - | Quad Pixel technology for 1.4 µm, Selfie animation |
| BATTERY AND CHARGING | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 3800 mAh | Samsung Galaxy A31 has larger battery capacity than Motorola RAZR 40 Ultra. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola RAZR 40 Ultra has fast charging technology. |
| Wireless Charging | - | Yes | Motorola RAZR 40 Ultra can be charged wirelessly. |
| 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 | Motorola RAZR 40 Ultra |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola RAZR 40 Ultra has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | One UI | My UX | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, LTEPP, SUPL |
| COMMUNICATIONS | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | EDGE, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66 | |
| 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, 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, FDD AWS-3, 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/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | - | Dolby Atmos sound technology, Spatial audio, Qualcomm Snapdragon Sound |
| FEATURES | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| 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, hall sensor, light sensor, gyroscope, eCompass | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing | Three microphones, Game mode, dual stereo speakers |
| OTHERS | Samsung Galaxy A31 | Motorola RAZR 40 Ultra |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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