In depth comparison and review of Xiaomi MI A3 and OPPO Reno 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 Reno Z |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH1979 | |
| Form Factor | Touch | Touch | |
| Height | 153.48 mm | 157.3 mm | OPPO Reno Z has greater height than Xiaomi MI A3. |
| Width | 71.85 mm | 74.9 mm | OPPO Reno Z has greater width than Xiaomi MI A3. |
| Depth | 8.475 mm | 9.1 mm | Xiaomi MI A3 is narrower than Xiaomi MI A3. |
| Weight | 173.8 g | 186 g | Xiaomi MI A3 is lighter than Xiaomi MI A3. |
| Body Colour | Kind of grey | Jet black | Aurora purple | |
| Body Material | Corning Gorilla Glass 5 | 3D glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | 0.932 W/kg (head), 3.99 W/kg (limb), 1.175 W/kg (body) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C Headset 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 Reno Z |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.088" | 6.4" | OPPO Reno Z has larger screen size than Xiaomi MI A3. |
| Screen Resolution (Display Resolution) | 1560 x 720 pixels | 2340 x 1080 pixels | OPPO Reno Z has better screen resolution than Xiaomi MI A3. |
| Display Format | HD+ | - | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | 19.5:9 | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | - | |
| 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 Reno Z |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | MediaTek Helio P90 | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | OPPO Reno Z has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 610 | 9XM-HP8 |
| MEMORY | Xiaomi MI A3 | OPPO Reno Z |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO Reno Z has more internal memory than Xiaomi MI A3. |
| Supported Flash Memory Cards (Expandable Memory) | Up to 256 GB | - |
| CAMERA | Xiaomi MI A3 | OPPO Reno Z |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| 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 Reno Z has better lens aperture than Xiaomi MI A3. |
| Lens Construction | 6-element | - | |
| Pixel Size | 1.6 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | AI portrait mode | Time-lapse mode, Slow motion mode, Expert Mode, Backlit, Portrait, Pano mode, Dazzle Colour Mode, Ultra Night Mode 2.0 | |
| Light Source | Flash | 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, 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, 1280 x 720 (720p) at 60 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 | Noise reduction, EIS video stabilisation, 4-in-1 resolution focus technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 5 Megapixel | Xiaomi MI A3 has better second camera resolution than OPPO Reno Z. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Xiaomi MI A3 has better second camera lens aperture than Xiaomi MI A3. |
| Field of View (2nd Camera) | 118 degree(s) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Camera Functions (3rd Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 32 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | 5-element | - | |
| Field of View (Front) | 79 degree(s) | - | |
| Pixel Size (Front) | 1.6 μm | - | |
| Focus Adjustment | Focus free | - | |
| 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 | - | |
| 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 Reno Z |
|---|
| Battery Capacity (Battery Size) | 4030 mAh | 4035 mAh | OPPO Reno Z has larger battery capacity than Xiaomi MI A3. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | VOOC Flash Charge technology 3.0 | Both phones have fast charging technology. |
| CELLULAR | Xiaomi MI A3 | OPPO Reno 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 (based on Android 9) | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI A3 | OPPO Reno 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 | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | - | Yes | OPPO Reno Z has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI A3 | OPPO Reno 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 Surround Sound |
| FEATURES | Xiaomi MI A3 | OPPO Reno 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, gyro sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | AI face unlock | Protective O-Dot, Game Boost 2.0 |
| OTHERS | Xiaomi MI A3 | OPPO Reno Z |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | Headphones, power adapter, SIM card removal tool, cover, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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