OPPO Reno vs. Xiaomi MI A3

Phone Comparison, Reviews and Tests

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.

Phone Specifications Comparison

OPPO Reno vs. Xiaomi MI A3 Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno Xiaomi MI A3
Product Type Smartphone Smartphone
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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO Reno Xiaomi MI A3
Display Type OLED display OLED display
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
Processor Type (CPU) Qualcomm Snapdragon 710 Qualcomm Snapdragon 665
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
RAM 8 GB LPDDR4X SDRAM - 4 GB OPPO Reno has more RAM than Xiaomi MI A3.
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
MAIN CAMERA
Number of Main Cameras 2 3
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
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel Xiaomi MI A3 has better second camera resolution than OPPO Reno.
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
Sensor Resolution (3rd Camera) - 2 Megapixel
Camera Functions (3rd Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
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
Battery Capacity (Battery Size) 3765 mAh 4030 mAh Xiaomi MI A3 has larger battery capacity than OPPO Reno.
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
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 GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OPPO Reno Xiaomi MI A3
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 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
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 -
FEATURES OPPO Reno 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, 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
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
Compliant Standards TUV Rheinland Low Blue Light Certification -
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