In depth comparison and review of ASUS ROG Phone 3 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 | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS661KS | - | |
| Form Factor | Touch | Touch | |
| Height | 171 mm | 161.89 mm | ASUS ROG Phone 3 has greater height than Motorola Moto G31. |
| Width | 78 mm | 73.87 mm | ASUS ROG Phone 3 has greater width than Motorola Moto G31. |
| Depth | 9.85 mm | 8.55 mm | Motorola Moto G31 is narrower than ASUS ROG Phone 3. |
| Weight | 240 g | 181 g | Motorola Moto G31 is lighter than ASUS ROG Phone 3. |
| Body Colour | Black glare | Mineral grey | Baby blue | |
| Body Material | - | Plastic | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.46 W/kg (body), 0.67 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-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 | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | OLED | |
| Screen Size (Display Size) | 6.59" | 6.4" | ASUS ROG Phone 3 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 ASUS ROG Phone 3. |
| Display Format | - | Full HD+ | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| HDR | Yes | - | ASUS ROG Phone 3 has HDR. |
| Display Refresh Rate | 144 Hz | 60 Hz | ASUS ROG Phone 3 has better refresh rate than Motorola Moto G31. |
| Display Features | - | Max Vision display |
| PROCESSOR | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | MediaTek Helio G85 | |
|---|---|---|---|
| Processor Number | SM8250 | - | |
| Clock Speed | 2.84 GHz | 2 GHz | ASUS ROG Phone 3 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 | - | ASUS ROG Phone 3 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | ARM Mali-G52 MC2 |
| MEMORY | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 4 GB | ASUS ROG Phone 3 has more RAM than Motorola Moto G31. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | ASUS ROG Phone 3 has more internal memory than Motorola Moto G31. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 50 Megapixel | ASUS ROG Phone 3 has better camera resolution than Motorola Moto G31. |
| Lens Aperture | - | F/1.8 | |
| Pixel Size | - | 1.28 μm | |
| Focus Adjustment | Automatic | 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 | Dual LED flash | 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) | 13 Megapixel | 8 Megapixel | ASUS ROG Phone 3 has better second camera resolution than Motorola Moto G31. |
|---|---|---|---|
| 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) | 24 Megapixel | 13 Megapixel | ASUS ROG Phone 3 has better front camera resolution than Motorola Moto G31. |
| Lens Aperture (Front) | - | F/2.2 | |
| Pixel Size (Front) | - | 1.12 μm | |
| 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 | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Battery Capacity (Battery Size) | 6000 mAh | 5000 mAh | ASUS ROG Phone 3 has larger battery capacity than Motorola Moto G31. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | - | ASUS ROG Phone 3 has fast charging technology. |
| Run Time Details | - | Standard usage: up to 36 hrs |
| CELLULAR | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | ASUS ROG Phone 3 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | ROG UI | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, 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 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| 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 | |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Supported Digital Audio Standards | Apt-X, apt-X HD | Dolby Atmos |
|---|
| FEATURES | ASUS ROG Phone 3 | 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, ultrasonic 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 | MIMO technology, Four microphones with Noise Reduction technology | Dual microphones |
| OTHERS | ASUS ROG Phone 3 | Motorola Moto G31 |
|---|
| Included Accessories | SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, protective case, 30W fast charger, AeroCooler 3 Fan with USB-C and 3.5mm audio jack | Protective cover, USB cable, SIM card removal tool, 10W charger |
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