In depth comparison and review of OPPO Reno 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 | OPPO Reno | Xiaomi MI A3 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 156.6 mm | 153.48 mm | OPPO Reno has greater height than Xiaomi MI A3. |
Width | 74.3 mm | 71.85 mm | OPPO Reno has greater width than Xiaomi MI A3. |
Depth | 9 mm | 8.475 mm | Xiaomi MI A3 is narrower than OPPO Reno. |
Weight | 185 g | 173.8 g | Xiaomi MI A3 is lighter than OPPO Reno. |
Body Colour | Jet black | Kind of grey | |
Body Material | - | Corning Gorilla Glass 5 | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.1 W/kg (body), 1.11 W/kg (head), 3.3 W/kg (limb) | 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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | OPPO Reno | Xiaomi MI A3 |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | AMOLED | |
Screen Size (Display Size) | 6.4" | 6.088" | OPPO Reno has larger screen size than Xiaomi MI A3. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1560 x 720 pixels | OPPO Reno 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 Features | DCI-P3 Wide colour gamut | 2.5D Glass, Dot Drop display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | OPPO Reno | Xiaomi MI A3 |
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Processor Type (CPU) | Qualcomm Snapdragon 710 | Qualcomm Snapdragon 665 | |
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Clock Speed | 2.2 GHz | 2 GHz | OPPO Reno has higher clock speed than Xiaomi MI A3. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | OPPO Reno has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 616 | Qualcomm ADRENO 610 |
MEMORY | OPPO Reno | Xiaomi MI A3 |
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RAM | 8 GB | LPDDR4X SDRAM - 4 GB | OPPO Reno has more RAM than Xiaomi MI A3. |
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Internal Memory Size (Storage Capacity) | 256 GB | 64 GB | OPPO Reno has more internal memory than Xiaomi MI A3. |
Supported Flash Memory Cards (Expandable Memory) | - | Up to 256 GB |
CAMERA | OPPO Reno | Xiaomi MI A3 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 3 | |
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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/1.7 | F/1.79 | OPPO Reno has better lens aperture than OPPO Reno. |
Lens Construction | 6-element | 6-element | |
Pixel Size | - | 1.6 μm | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | HDR | - | |
Camera Modes | Time-lapse mode, night mode, Expert Mode, AI Portait, Pano mode, Dazzle Colour Mode | AI portrait mode | |
Light Source | LED 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, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 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) | Noise reduction, Phase Detect Auto-Focus (PDAF) | 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 |
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Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi MI A3 has better second camera resolution than OPPO Reno. |
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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Xiaomi MI A3 has better second camera lens aperture than OPPO Reno. |
Field of View (2nd Camera) | - | 118 degree(s) |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Camera Functions (3rd Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Front Camera Design | Pop-up | - | |
Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than OPPO Reno. |
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 | |
Camera Modes (Front) | AI Beauty | 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 | OPPO Reno | Xiaomi MI A3 |
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Battery Capacity (Battery Size) | 3765 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than OPPO Reno. |
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Fast Charging Technology | VOOC Flash Charge technology | Qualcomm Quick Charge 3.0 | Both phones have fast charging technology. |
Battery Technology | Lithium Ion | - |
CELLULAR | OPPO Reno | Xiaomi MI A3 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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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 | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | OPPO Reno | Xiaomi MI A3 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 3, 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 38, Band 40 | |
4G LTE Frequency | FDD 2100, FDD 1800+, 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 2600, TDD 2300 | |
Wireless Interface | Wi-Fi | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | Yes | - | OPPO Reno has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | OPPO Reno | Xiaomi MI A3 |
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Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
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Supported Digital Video Standards | - | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | |
Sound Enhancements | Dolby Atmos sound technology | - |
FEATURES | OPPO Reno | Xiaomi MI A3 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
Additional Phone Features | Protective O-Dot, Game Boost 2.0 | AI face unlock |
OTHERS | OPPO Reno | Xiaomi MI A3 |
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Included Accessories | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, protective film | Power adapter, SIM card removal tool, USB-C cable, soft case | |
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Compliant Standards | TUV Rheinland Low Blue Light Certification | - |