In depth comparison and review of Xiaomi MI A3 and OPPO Reno2 Z. 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 A3 | OPPO Reno2 Z |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 153.48 mm | 161.8 mm | OPPO Reno2 Z has greater height than Xiaomi MI A3. |
| Width | 71.85 mm | 75.8 mm | OPPO Reno2 Z has greater width than Xiaomi MI A3. |
| Depth | 8.475 mm | 8.7 mm | Xiaomi MI A3 is narrower than Xiaomi MI A3. |
| Weight | 173.8 g | 195 g | Xiaomi MI A3 is lighter than Xiaomi MI A3. |
| Body Colour | Kind of grey | Luminous black | Sky white | |
| Body Material | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.088" | 6.5" | OPPO Reno2 Z has larger screen size than Xiaomi MI A3. |
| Screen Resolution (Display Resolution) | 1560 x 720 pixels | 2340 x 1080 pixels | OPPO Reno2 Z has better screen resolution than Xiaomi MI A3. |
| Display Format | HD+ | - | |
| Pixel Density | - | 394 ppi | |
| Aspect Ratio | 19.5:9 | - | |
| Max Brightness | - | 430 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | 60000:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | - | OnCell technology | |
| Display Features | 2.5D Glass, Dot Drop display | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | MediaTek Helio P90 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 610 | IMG 9XM-HP8 |
| MEMORY | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 8 GB | OPPO Reno2 Z has more RAM than Xiaomi MI A3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO Reno2 Z has more internal memory than Xiaomi MI A3. |
| Supported Flash Memory Cards (Expandable Memory) | Up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/2" | 1/2" | Both phones have the same camera sensor size. |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | F/1.79 | F/1.7 | OPPO Reno2 Z has better lens aperture than Xiaomi MI A3. |
| Lens Construction | 6-element | 6-element | |
| Pixel Size | 1.6 μm | 0.8 μm | Xiaomi MI A3 has larger camera pixel size than OPPO Reno2 Z. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR | |
| Camera Modes | AI portrait mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | |
| Light Source | 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, 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 | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes | Electronic Image Stabiliser (EIS), NPU Acceleration |
| 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) | Ultra wide-angle lens | 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) | 118 degree(s) | 119 degree(s) | OPPO Reno2 Z has larger second camera lens field of view than Xiaomi MI A3. |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| 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 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Depth camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Bokeh lens | |
| Lens Aperture (4th Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | - | Pop-up | |
| Sensor Resolution (Front) | 32 Megapixel | 16 Megapixel | Xiaomi MI A3 has better front camera resolution than OPPO Reno2 Z. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | 5-element | 5-element | |
| Field of View (Front) | 79 degree(s) | - | |
| Pixel Size (Front) | 1.6 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | Video bokeh effect | |
| Camera Modes (Front) | Selfie panorama, AI portrait mode, AI Beautify | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock | - |
| BATTERY AND CHARGING | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Battery Capacity (Battery Size) | 4030 mAh | 4000 mAh | Xiaomi MI A3 has larger battery capacity than OPPO Reno2 Z. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | VOOC Flash Charge technology 3.0 | Both phones have fast charging technology. |
| Run Time Details | - | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
| CELLULAR | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| 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) | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 20, Band 28, Band 38, Band 40 | 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 DD, FDD 700 APT, TDD 2600, TDD 2300 | 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 | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | OPPO Reno2 Z has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | - | |
| Sound Enhancements | - | Dolby Atmos sound technology, Hi-Res audio |
| FEATURES | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| 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, vibration sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | AI face unlock | Fingerprint 3.0, SLA Dual Channel Network 2.0 |
| OTHERS | Xiaomi MI A3 | OPPO Reno2 Z |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) |
|---|
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