In depth comparison and review of OPPO Reno2 Z 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 | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 161.8 mm | 161.89 mm | Motorola Moto G31 has greater height than OPPO Reno2 Z. |
| Width | 75.8 mm | 73.87 mm | OPPO Reno2 Z has greater width than Motorola Moto G31. |
| Depth | 8.7 mm | 8.55 mm | Motorola Moto G31 is narrower than OPPO Reno2 Z. |
| Weight | 195 g | 181 g | Motorola Moto G31 is lighter than OPPO Reno2 Z. |
| Body Colour | Luminous black | Sky white | Mineral grey | Baby blue | |
| Body Material | Corning Gorilla Glass 5 | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | 1.46 W/kg (body), 0.67 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Handset 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 | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | OLED | |
| Screen Size (Display Size) | 6.5" | 6.4" | OPPO Reno2 Z has larger screen size than Motorola Moto G31. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | Motorola Moto G31 has better screen resolution than OPPO Reno2 Z. |
| Display Format | - | Full HD+ | |
| Pixel Density | 394 ppi | 409 ppi | Motorola Moto G31 has better pixel density than OPPO Reno2 Z. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 430 cd/m² | - | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 60000:1 | - | |
| Display Enhancement Technology | OnCell technology | - | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | - | Max Vision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Processor Type (CPU) | MediaTek Helio P90 | MediaTek Helio G85 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | IMG 9XM-HP8 | ARM Mali-G52 MC2 |
| MEMORY | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| RAM | 8 GB | 4 GB | OPPO Reno2 Z has more RAM than Motorola Moto G31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OPPO Reno2 Z has more internal memory than Motorola Moto G31. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Motorola Moto G31 has better camera resolution than OPPO Reno2 Z. |
| Sensor Size | 1/2" | - | |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Aperture | F/1.7 | F/1.8 | OPPO Reno2 Z has better lens aperture than OPPO Reno2 Z. |
| Lens Construction | 6-element | - | |
| Pixel Size | 0.8 μm | 1.28 μm | Motorola Moto G31 has larger camera pixel size than OPPO Reno2 Z. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 10x | - | |
| Self-Timer Delay | - | Yes | |
| Special Effects | HDR | HDR, Spot Colour | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | 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 | 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), NPU Acceleration | 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 | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4.0" | - | |
| Lens Type (2nd Camera) | 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) | 119 degree(s) | 118 degree(s) | OPPO Reno2 Z has larger second camera lens field of view than Motorola Moto G31. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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 | 1.75 μm | Both phones have the same third camera pixel size. |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Bokeh lens | - | |
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | Pop-up | - | |
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | OPPO Reno2 Z has better front camera resolution than Motorola Moto G31. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO Reno2 Z has better front lens aperture than OPPO Reno2 Z. |
| Lens Element Qty (Front) | 5-element | - | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | Video bokeh effect | 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, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Video image stabilisation, RAW photo, Shot optimisation, Selfie animation, Assistive grid |
| BATTERY AND CHARGING | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Motorola Moto G31 has larger battery capacity than OPPO Reno2 Z. |
|---|---|---|---|
| Fast Charging Technology | VOOC Flash Charge technology 3.0 | - | OPPO Reno2 Z has fast charging technology. |
| Run Time Details | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
Standard usage: up to 36 hrs |
| CELLULAR | OPPO Reno2 Z | 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 | ColorOS 6.1 (based on Android 9) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | - | Dolby Atmos | |
|---|---|---|---|
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | - |
| FEATURES | OPPO Reno2 Z | 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, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, SAR sensor, gyroscope | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Fingerprint 3.0, SLA Dual Channel Network 2.0 | Dual microphones |
| OTHERS | OPPO Reno2 Z | Motorola Moto G31 |
|---|
| Included Accessories | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | Protective cover, USB cable, SIM card removal tool, 10W charger |
|---|
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