OnePlus One vs. Xiaomi MI A3

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus One 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

OnePlus One vs. Xiaomi MI A3 Comparison Chart
DESIGN AND DIMENSIONS OnePlus One Xiaomi MI A3
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 152.9 mm 153.48 mm Xiaomi MI A3 has greater height than OnePlus One.
Width 75.9 mm 71.85 mm OnePlus One has greater width than Xiaomi MI A3.
Depth 8.9 mm 8.475 mm Xiaomi MI A3 is narrower than OnePlus One.
Weight 162 g 173.8 g OnePlus One is lighter than OnePlus One.
Body Colour Bamboo Kind of grey
Body Material - Corning Gorilla Glass 5
Waterproof (Water-resistant) - -
SAR Value 0.75 W/kg (body), 0.62 W/kg (head) 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY OnePlus One Xiaomi MI A3
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 5.5" 6.088" Xiaomi MI A3 has larger screen size than OnePlus One.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1560 x 720 pixels OnePlus One has better screen resolution than Xiaomi MI A3.
Display Format Full HD HD+
Pixel Density 401 ppi -
Aspect Ratio - 19.5:9
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
Display Features - 2.5D Glass, Dot Drop display
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR OnePlus One Xiaomi MI A3
Processor Type (CPU) Qualcomm Snapdragon 801 Qualcomm Snapdragon 665
Clock Speed 2.5 GHz 2 GHz OnePlus One has higher clock speed than Xiaomi MI A3.
Processor Core Qty Quad-core 8-core Xiaomi MI A3 has higher processor core quantity than OnePlus One.
Graphics System (GPU) Qualcomm ADRENO 330 Qualcomm ADRENO 610
MEMORY OnePlus One Xiaomi MI A3
RAM 3 GB LPDDR4X SDRAM - 4 GB Xiaomi MI A3 has more RAM than OnePlus One.
Internal Memory Size (Storage Capacity) 16 GB 64 GB Xiaomi MI A3 has more internal memory than OnePlus One.
Supported Flash Memory Cards (Expandable Memory) - Up to 256 GB
CAMERA OnePlus One Xiaomi MI A3
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 48 Megapixel Xiaomi MI A3 has better camera resolution than OnePlus One.
Sensor Size - 1/2"
Sensor Name Sony Exmor RS IMX214 sensor -
Lens Aperture F/2.0 F/1.79 Xiaomi MI A3 has better lens aperture than OnePlus One.
Lens Construction 6-element 6-element
Pixel Size - 1.6 μm
Focus Adjustment - Automatic
HDR Mode Auto HDR mode -
Camera Modes Panorama AI portrait mode
Face Recognition (Face ID) Face detection - OnePlus One has face detection.
Light Source Dual LED flash Flash
Video Resolutions 1280 x 720 (720p), 3840 x 2160 (4K) 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) - 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) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
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) 5 Megapixel 32 Megapixel Xiaomi MI A3 has better front camera resolution than OnePlus One.
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) 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 OnePlus One Xiaomi MI A3
Battery Capacity (Battery Size) 3100 mAh 4030 mAh Xiaomi MI A3 has larger battery capacity than OnePlus One.
Fast Charging Technology - Qualcomm Quick Charge 3.0 Xiaomi MI A3 has fast charging technology.
Battery Technology Lithium polymer -
CELLULAR OnePlus One 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 CyanogenMod 13 -
Intelligent Assistant - Google Assistant
Navigation GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OnePlus One Xiaomi MI A3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 4, Band 7, Band 17, Band 38, Band 40 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 1700 - 2110 AWS, FDD 2600, FDD 700b, TDD 2600, TDD 2300 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 IEEE 802.11b/g/n/ac Infrared (IrDA), IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes - OnePlus One has NFC reader for mobile payments.
Communication Features Mobile Email client, Internet browser -
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus One Xiaomi MI A3
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, MIDI, APE (Monkey's Audio), M4A WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB
Supported Digital Video Standards RMVB, FLV, MPEG-4, H.264, H.263 MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4
FEATURES OnePlus One Xiaomi MI A3
Phone Functions Speakerphone, call timer, conference call, 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 Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor
Security Devices - Fingerprint reader (under display)
Personal Information Management Calendar, synchronization with PC, calculator, reminder, alarm clock -
Additional Phone Features DLNA Certified, multitasking, sharing media via DLNA, Noise Cancellation Technology, notification LED, Three microphones AI face unlock
OTHERS OnePlus One Xiaomi MI A3
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable, soft case
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