In depth comparison and review of OnePlus 8 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 | OnePlus 8 | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 160.2 mm | 161.89 mm | Motorola Moto G31 has greater height than OnePlus 8. |
| Width | 72.9 mm | 73.87 mm | Motorola Moto G31 has greater width than OnePlus 8. |
| Depth | 8 mm | 8.55 mm | OnePlus 8 is narrower than OnePlus 8. |
| Weight | 180 g | 181 g | OnePlus 8 is lighter than OnePlus 8. |
| Body Colour | Black | Onyx black | Glacial green | Mineral grey | Baby blue | |
| Body Material | - | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.86 W/kg | 1.46 W/kg (body), 0.67 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | 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 | OnePlus 8 | Motorola Moto G31 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Fluid Amoled | OLED | |
| Screen Size (Display Size) | 6.55" | 6.4" | OnePlus 8 has larger screen size than Motorola Moto G31. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 402 ppi | 409 ppi | Motorola Moto G31 has better pixel density than OnePlus 8. |
| Aspect Ratio | 20:9 | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | OnePlus 8 has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | Reading mode, night mode, Wide colour display (P3), 90 Hz Fluid Display | Max Vision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3D (scratch resistant glass) | - |
| PROCESSOR | OnePlus 8 | Motorola Moto G31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2 GHz | OnePlus 8 has higher clock speed than Motorola Moto G31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OnePlus 8 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | ARM Mali-G52 MC2 |
| MEMORY | OnePlus 8 | Motorola Moto G31 |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 4 GB | OnePlus 8 has more RAM than Motorola Moto G31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OnePlus 8 has more internal memory than Motorola Moto G31. |
| User Memory | 100 GB | - | |
| Memory Interface | UFS 3.0 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OnePlus 8 | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Motorola Moto G31 has better camera resolution than OnePlus 8. |
| Sensor Size | 1/1.4" | - | |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Aperture | F/1.75 | F/1.8 | OnePlus 8 has better lens aperture than OnePlus 8. |
| Lens Construction | 6-element | - | |
| Pixel Size | 0.8 μm | 1.28 μm | Motorola Moto G31 has larger camera pixel size than OnePlus 8. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 8 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Self-Timer Delay | - | Yes | |
| Special Effects | Portrait, HDR, Studio | HDR, Spot Colour | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot | 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) | Face detection | Auto smile capture | Both phones have face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Noise reduction, GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, UltraShot engine | 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) | 2 Megapixel | 8 Megapixel | Motorola Moto G31 has better second camera resolution than OnePlus 8. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Motorola Moto G31 has better second camera lens aperture than OnePlus 8. |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | 1.75 μm | 1.12 μm | OnePlus 8 has larger second camera pixel size than Motorola Moto G31. |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 16 Megapixel | 2 Megapixel | OnePlus 8 has higher resolution third camera than Motorola Moto G31. |
|---|---|---|---|
| Lens Type (3rd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | OnePlus 8 has better third camera lens aperture than OnePlus 8. |
| Field of View (3rd Camera) | 116 degree(s) | - | |
| 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) | 16 Megapixel | 13 Megapixel | OnePlus 8 has better front camera resolution than Motorola Moto G31. |
| Sensor Name (Front) | Sony Exmor RX IMX471 sensor | - | |
| Lens Aperture (Front) | F/2.45 | F/2.2 | Motorola Moto G31 has better front lens aperture than OnePlus 8. |
| Pixel Size (Front) | 1 μm | 1.12 μm | Motorola Moto G31 has larger front camera pixel size than OnePlus 8. |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | HDR, face retouch | HDR, Spot Colour | |
| Camera Modes (Front) | Time-lapse mode | 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. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | Video image stabilisation, RAW photo, Shot optimisation, Selfie animation, Assistive grid |
| BATTERY AND CHARGING | OnePlus 8 | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 4300 mAh | 5000 mAh | Motorola Moto G31 has larger battery capacity than OnePlus 8. |
|---|---|---|---|
| Fast Charging Technology | Warp Charge 30 technology, Warp Charge 30T technology | - | OnePlus 8 has fast charging technology. |
| Talk Time | 1740 minutes | - | |
| Run Time Details | Talk: up to 1740 min Standby: up to 391 hrs |
Standard usage: up to 36 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | OnePlus 8 | Motorola Moto G31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | OnePlus 8 has more advanced generation mobile network. |
| Operating System | OxygenOS (based on Android 10) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | OnePlus 8 | Motorola Moto G31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900, 1700, 800 | - | |
| 4G LTE Band | 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 46, 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 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 5150, FDD 1700 - 2110 AWS-3 | - | |
| 5G NR Band | N1, n3, n7, n28, n78 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | Snapdragon X55 5G | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OnePlus 8 | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4 | Dolby Atmos | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | - | |
| Sound Enhancements | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound | - |
| FEATURES | OnePlus 8 | Motorola Moto G31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, SAR sensor, gyroscope | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider | Dual microphones |
| OTHERS | OnePlus 8 | Motorola Moto G31 |
|---|
| Included Accessories | SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter | Protective cover, USB cable, SIM card removal tool, 10W charger |
|---|
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