Side by side comparison and review of ASUS ROG Phone 3 and Xiaomi POCO X3 NFC. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS661KS | - | |
| Form Factor | Touch | Touch | |
| Height | 171 mm | 165.3 mm | ASUS ROG Phone 3 has greater height than Xiaomi POCO X3 NFC. |
| Width | 78 mm | 76.8 mm | ASUS ROG Phone 3 has greater width than Xiaomi POCO X3 NFC. |
| Depth | 9.85 mm | 9.4 mm | Xiaomi POCO X3 NFC is narrower than ASUS ROG Phone 3. |
| Weight | 240 g | 215 g | Xiaomi POCO X3 NFC is lighter than ASUS ROG Phone 3. |
| Body Colour | Black glare | Cobalt blue | Shadow grey | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | - | 0.558 W/kg (head), 0.986 W/kg (body), 1.997 W/kg (limb) | |
| 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 | Xiaomi POCO X3 NFC |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6.59" | 6.67" | Xiaomi POCO X3 NFC has larger screen size than ASUS ROG Phone 3. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | Xiaomi POCO X3 NFC has better screen resolution than ASUS ROG Phone 3. |
| Display Format | - | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Contrast Ratio | - | 1500:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | - | HDR10 | |
| Display Refresh Rate | 144 Hz | 120 Hz | ASUS ROG Phone 3 has better refresh rate than Xiaomi POCO X3 NFC. |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | - | Dark mode, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | Qualcomm Snapdragon 732G | |
|---|---|---|---|
| Processor Number | SM8250 | - | |
| Clock Speed | 2.84 GHz | 2.3 GHz | ASUS ROG Phone 3 has higher clock speed than Xiaomi POCO X3 NFC. |
| 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) | Qualcomm ADRENO 650 | Qualcomm ADRENO 618 |
| MEMORY | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | LPDDR4X SDRAM - 6 GB | ASUS ROG Phone 3 has more RAM than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | ASUS ROG Phone 3 has more internal memory than Xiaomi POCO X3 NFC. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 256 GB |
| CAMERA | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 64 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/1.73" | |
| Sensor Name | - | Sony Exmor RS IMX682 sensor | |
| Lens Aperture | - | F/1.89 | |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | Kaleidoscope | |
| Camera Modes | - | Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0 | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | - | 4-in-1 Super Pixel, AI scene detection, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 13 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) |
| 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 | |
| Camera Features (3rd Camera) | - | FF (4cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| 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 | 20 Megapixel | ASUS ROG Phone 3 has better front camera resolution than Xiaomi POCO X3 NFC. |
| Lens Aperture (Front) | - | F/2.2 | |
| Pixel Size (Front) | - | 1.6 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Selfie panorama, portrait mode, AI Beautify, Short video mode | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | - | Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter |
| BATTERY AND CHARGING | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| Battery Capacity (Battery Size) | 6000 mAh | 5160 mAh | ASUS ROG Phone 3 has larger battery capacity than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | - | ASUS ROG Phone 3 has fast charging technology. |
| Run Time Details | - | Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (Music): up to 153 hrs |
| CELLULAR | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| 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 10 | |
| User Interface | ROG UI | POCO Launcher 2.0 (MIUI12) | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, 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 | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | Wi-Fi | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.1 | |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| Supported Digital Audio Standards | Apt-X, apt-X HD | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Hi-Res audio |
| FEATURES | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| 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, proximity sensor, digital compass, gyro sensor, hall sensor, ultrasonic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | MIMO technology, Four microphones with Noise Reduction technology | Infrared remote control, MIMO technology, AI face unlock, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0 |
| OTHERS | ASUS ROG Phone 3 | Xiaomi POCO X3 NFC |
|---|
| 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 | SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector | |
|---|---|---|---|
| Compliant Standards | - | IP53, TUV Rheinland Low Blue Light Certification |
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