In depth comparison and review of Xiaomi MI Mix 3 5G and Xiaomi MI A3. 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 | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch slider | Touch | |
| Height | 157.89 mm | 153.48 mm | Xiaomi MI Mix 3 5G has greater height than Xiaomi MI A3. |
| Width | 74.69 mm | 71.85 mm | Xiaomi MI Mix 3 5G has greater width than Xiaomi MI A3. |
| Depth | 8.46 mm | 8.475 mm | Xiaomi MI Mix 3 5G is narrower than Xiaomi MI Mix 3 5G. |
| Weight | 225 g | 173.8 g | Xiaomi MI A3 is lighter than Xiaomi MI Mix 3 5G. |
| Body Colour | Sapphire blue | Onyx black | Kind of grey | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.577 W/kg (body), 1.557 W/kg (head) | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 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 | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.39" | 6.088" | Xiaomi MI Mix 3 5G has larger screen size than Xiaomi MI A3. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1560 x 720 pixels | Xiaomi MI Mix 3 5G has better screen resolution than Xiaomi MI A3. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 403 ppi | - | |
| Aspect Ratio | 19.5:9 | 19.5:9 | |
| Max Brightness | 600 cd/m² | - | |
| Contrast Ratio | 60000:1 | 60000:1 | Both phones have the same display contrast ratio. |
| HDR | Yes | - | Xiaomi MI Mix 3 5G has HDR. |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2 GHz | Xiaomi MI Mix 3 5G has higher clock speed than Xiaomi MI A3. |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Xiaomi MI Mix 3 5G has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | Qualcomm ADRENO 610 |
| MEMORY | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI Mix 3 5G has more RAM than Xiaomi MI A3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Xiaomi MI Mix 3 5G has more internal memory than Xiaomi MI A3. |
| Memory Interface | UFS 2.1 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | Up to 256 GB |
| CAMERA | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than Xiaomi MI Mix 3 5G. |
| Sensor Size | - | 1/2" | |
| Sensor Name | Sony Exmor RS IMX363 sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.79 | Xiaomi MI A3 has better lens aperture than Xiaomi MI Mix 3 5G. |
| Lens Construction | - | 6-element | |
| Pixel Size | 1.4 μm | 1.6 μm | Xiaomi MI A3 has larger camera pixel size than Xiaomi MI Mix 3 5G. |
| Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | - | Xiaomi MI Mix 3 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Nightscape capture mode, Personalized AI Beautify | AI portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix 3 5G has face detection. |
| Light Source | Flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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 | |
| Camera Features (Functions) | AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Xiaomi MI Mix 3 5G has better second camera resolution than Xiaomi MI A3. |
|---|---|---|---|
| Sensor Name (2nd Camera) | Samsung S5K3M3+ | - | |
| 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 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 24 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than Xiaomi MI Mix 3 5G. |
| Sensor Name (Front) | Sony Exmor RS IMX576 sensor | - | |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | 1.8 μm | 1.6 μm | Xiaomi MI Mix 3 5G has larger front camera pixel size than Xiaomi MI A3. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Magic mirror | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Bokeh Mode, AI Beautify, AI makeup | Selfie panorama, AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix 3 5G has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Name (2nd Front) | OC0A10 | - | |
| Pixel Size (2nd Front) | 1.75 μm | - |
| BATTERY AND CHARGING | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 3800 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than Xiaomi MI Mix 3 5G. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | Qualcomm Quick Charge 3.0 | Both phones have fast charging technology. |
| CELLULAR | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Xiaomi MI Mix 3 5G has more advanced generation mobile network. |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 | |
| 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 | |
| 5G NR Band | N78 | - | |
| 5G NR Frequency | TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Xiaomi MI Mix 3 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 |
| FEATURES | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| 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, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | MIMO technology, MU-MIMO technology | AI face unlock |
| OTHERS | Xiaomi MI Mix 3 5G | Xiaomi MI A3 |
|---|
| Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | Power adapter, SIM card removal tool, USB-C cable, soft case |
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