In depth comparison and review of Lenovo B and Motorola Moto G31. 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 | Lenovo B | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 132.5 mm | 161.89 mm | Motorola Moto G31 has greater height than Lenovo B. |
| Width | 66 mm | 73.87 mm | Motorola Moto G31 has greater width than Lenovo B. |
| Depth | 9.9 mm | 8.55 mm | Motorola Moto G31 is narrower than Lenovo B. |
| Weight | 144 g | 181 g | Lenovo B is lighter than Lenovo B. |
| Body Colour | Matte black | Matt white | Mineral grey | Baby blue | |
| Body Material | - | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.714 W/kg (body), 1.557 W/kg (head) | 1.46 W/kg (body), 0.67 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Lenovo B | Motorola Moto G31 |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | OLED | |
| Screen Size (Display Size) | 4.5" | 6.4" | Motorola Moto G31 has larger screen size than Lenovo B. |
| Screen Resolution (Display Resolution) | 800 x 480 pixels | 2400 x 1080 pixels | Motorola Moto G31 has better screen resolution than Lenovo B. |
| Display Format | - | Full HD+ | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | - | 20:9 | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | - | Max Vision display |
| PROCESSOR | Lenovo B | Motorola Moto G31 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Helio G85 | |
|---|---|---|---|
| Processor Number | MTK6735 | - | |
| Clock Speed | 1 GHz | 2 GHz | Motorola Moto G31 has higher clock speed than Lenovo B. |
| Processor Core Qty | Quad-core | 8-core | Motorola Moto G31 has higher processor core quantity than Lenovo B. |
| 64-bit Architecture | Yes | - | Lenovo B has 64-bit architecture. |
| Graphics System (GPU) | - | ARM Mali-G52 MC2 |
| MEMORY | Lenovo B | Motorola Moto G31 |
|---|
| RAM | 1 GB | 4 GB | Motorola Moto G31 has more RAM than Lenovo B. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 64 GB | Motorola Moto G31 has more internal memory than Lenovo B. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Lenovo B | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 5 Megapixel | 50 Megapixel | Motorola Moto G31 has better camera resolution than Lenovo B. |
| Lens Aperture | - | F/1.8 | |
| Pixel Size | - | 1.28 μm | |
| Focus Adjustment | Focus free | Automatic | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Spot Colour | |
| Camera Modes | - | Panorama, Pro mode, Timer mode, BurstShot, Watermark mode, Active photos, Cinemagraph, Portrait, Night Vision, AR stickers, Levelling, Macro Vision, Long exposure mode, Live filter, Capture Dual | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), Barcode Scanner, Cutout, Quad Pixel technology, smart composition, RAW photo output, shot optimisation, Google Lens, High-res digital zoom (up to 8x), Assistive Grid |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
|---|---|---|---|
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 2 Megapixel | 13 Megapixel | Motorola Moto G31 has better front camera resolution than Lenovo B. |
| Lens Aperture (Front) | - | F/2.2 | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, Spot Colour | |
| Camera Modes (Front) | - | Slow motion video, Pro mode, Timer mode, BurstShot, HYPERLAPSE, Watermark mode, portrait mode, Face Beauty, Timelapse video, Active photos, Cinemagraph, Portrait, Night Vision, Levelling, Gesture selfie, Group selfie, Long exposure mode, Live filter, Low Light AI Selfie, Capture Dual, Gesture Capture | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola Moto G31 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Video image stabilisation, RAW photo, Shot optimisation, Selfie animation, Assistive grid |
| BATTERY AND CHARGING | Lenovo B | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 5000 mAh | Motorola Moto G31 has larger battery capacity than Lenovo B. |
|---|---|---|---|
| Standby Time | 175.5 hours | - | |
| Talk Time | 678 minutes | - | |
| Run Time Details | Talk (LTE): up to 678 hrs Standby (LTE): up to 175.5 hrs |
Standard usage: up to 36 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Lenovo B | Motorola Moto G31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | Lenovo B | Motorola Moto G31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Motorola Moto G31 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Lenovo B | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | - | Dolby Atmos |
|---|
| FEATURES | Lenovo B | Motorola Moto G31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Gravity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, SAR sensor, gyroscope | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | - | Dual microphones |
| OTHERS | Lenovo B | Motorola Moto G31 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, SIM card removal tool, 10W charger |
|---|
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