Detailed comparison and review of Xiaomi Redmi 9A and ASUS ROG Phone 3. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS661KS | |
| Form Factor | Touch | Touch | |
| Height | 164.9 mm | 171 mm | ASUS ROG Phone 3 has greater height than Xiaomi Redmi 9A. |
| Width | 77.07 mm | 78 mm | ASUS ROG Phone 3 has greater width than Xiaomi Redmi 9A. |
| Depth | 9 mm | 9.85 mm | Xiaomi Redmi 9A is narrower than Xiaomi Redmi 9A. |
| Weight | 196 g | 240 g | Xiaomi Redmi 9A is lighter than Xiaomi Redmi 9A. |
| Body Colour | Sky blue | Granite grey | Black glare | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb) | - | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 6.53" | 6.59" | ASUS ROG Phone 3 has larger screen size than Xiaomi Redmi 9A. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2340 x 1080 pixels | ASUS ROG Phone 3 has better screen resolution than Xiaomi Redmi 9A. |
| Display Format | HD+ | - | |
| Aspect Ratio | 20:9 | 19.5:9 | |
| Max Brightness | 400 cd/m² | - | |
| Contrast Ratio | 1500:1 | - | |
| HDR | - | Yes | ASUS ROG Phone 3 has HDR. |
| Display Enhancement Technology | Blue light filter, Sunlight mode | - | |
| Display Refresh Rate | - | 144 Hz | |
| Display Features | Reading mode, Colour temperature adjustment, Dot Drop display | - |
| PROCESSOR | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Processor Type (CPU) | MediaTek Helio G25 | Qualcomm Snapdragon 865 | |
|---|---|---|---|
| Processor Number | - | SM8250 | |
| Clock Speed | 2 GHz | 2.84 GHz | ASUS ROG Phone 3 has higher clock speed than Xiaomi Redmi 9A. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | PowerVR GE8320 | Qualcomm ADRENO 650 |
| MEMORY | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| RAM | LPDDR4X SDRAM - 2 GB | LPDDR4X SDRAM - 8 GB | ASUS ROG Phone 3 has more RAM than Xiaomi Redmi 9A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | ASUS ROG Phone 3 has more internal memory than Xiaomi Redmi 9A. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | ASUS ROG Phone 3 has better camera resolution than Xiaomi Redmi 9A. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR, Kaleidoscope | - | |
| Camera Modes | AI portrait mode, AI Beautify 5.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9A has face detection. |
| Light Source | Single tone LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI scene detection | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 24 Megapixel | ASUS ROG Phone 3 has better front camera resolution than Xiaomi Redmi 9A. |
| Lens Aperture (Front) | F/2.2 | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, Portrait, AI Beautify 5.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 9A has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Self-timer, Palm shutter | - |
| BATTERY AND CHARGING | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 6000 mAh | ASUS ROG Phone 3 has larger battery capacity than Xiaomi Redmi 9A. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | ASUS ROG Phone 3 has fast charging technology. |
| Standby Time | 816 hours | - | |
| Talk Time | 2280 minutes | - | |
| Run Time Details | Standby: up to 816 hrs Playback (audio): up to 168 hrs Talk: up to 2280 min Playback (video): up to 19 hrs Gaming: up to 14 hrs |
- |
| CELLULAR | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Technology | WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | ASUS ROG Phone 3 has more advanced generation mobile network. |
| Operating System | - | Android 10 | |
| User Interface | - | ROG UI | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | |
|---|---|---|---|
| 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | 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 2600, TDD 2300, TDD 2500 | 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 802.11b/g/n | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| Bluetooth Profiles | - | HFP, OPP, PAN, A2DP, AVRCP, HID | |
| NFC | - | Yes | ASUS ROG Phone 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | Apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | - | |
| Sound Enhancements | 0.64cc Sound Chamber | - |
| FEATURES | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, ultrasonic sensor | |
| Security Devices | Face recognition | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | AI face unlock, HyperEngine technology | MIMO technology, Four microphones with Noise Reduction technology |
| OTHERS | Xiaomi Redmi 9A | ASUS ROG Phone 3 |
|---|
| Included Accessories | USB cable, SIM card removal tool, 10W charger | 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 |
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