Xiaomi MI A1 vs. OnePlus 8

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI A1 and OnePlus 8. 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

Xiaomi MI A1 vs. OnePlus 8 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI A1 OnePlus 8
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 155.4 mm 160.2 mm OnePlus 8 has greater height than Xiaomi MI A1.
Width 75.8 mm 72.9 mm Xiaomi MI A1 has greater width than OnePlus 8.
Depth 7.3 mm 8 mm Xiaomi MI A1 is narrower than Xiaomi MI A1.
Weight 165 g 180 g Xiaomi MI A1 is lighter than Xiaomi MI A1.
Body Colour Black Black | Onyx black | Glacial green
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.76 W/kg (body), 1.75 W/kg (head) 0.86 W/kg
Integrated Components FM radio -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Xiaomi MI A1 OnePlus 8
Display Type LCD display OLED display
Display Technology LTPS IPS Fluid Amoled
Screen Size (Display Size) 5.5" 6.55" OnePlus 8 has larger screen size than Xiaomi MI A1.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels OnePlus 8 has better screen resolution than Xiaomi MI A1.
Display Format Full HD QHD+
Pixel Density 403 ppi 402 ppi Xiaomi MI A1 has better pixel density than OnePlus 8.
Aspect Ratio - 20:9
Max Brightness 450 cd/m² -
Colour Depth - 16.7 million colours
HDR - Yes OnePlus 8 has HDR.
HDR Technology - HDR10+
Display Features 2.5D curved glass Reading mode, night mode, Wide colour display (P3), 90 Hz Fluid Display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 3D (scratch resistant glass)
PROCESSOR Xiaomi MI A1 OnePlus 8
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 865
Clock Speed 2 GHz 2.84 GHz OnePlus 8 has higher clock speed than Xiaomi MI A1.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes OnePlus 8 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 650
MEMORY Xiaomi MI A1 OnePlus 8
RAM 4 GB LPDDR4X SDRAM - 8 GB OnePlus 8 has more RAM than Xiaomi MI A1.
Internal Memory Size (Storage Capacity) 32 GB 128 GB OnePlus 8 has more internal memory than Xiaomi MI A1.
User Memory - 100 GB
Memory Interface - UFS 3.0
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA Xiaomi MI A1 OnePlus 8
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 48 Megapixel OnePlus 8 has better camera resolution than Xiaomi MI A1.
Sensor Size - 1/1.4"
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Type Wide-angle lens -
Lens Aperture F/2.2 F/1.75 OnePlus 8 has better lens aperture than Xiaomi MI A1.
Lens Construction 5-element 6-element
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) OnePlus 8 has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR, Beautify 3.0 Portrait, HDR, Studio
Camera Modes Panorama, Continuous shot, low-light shots Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot
Face Recognition (Face ID) Face recognition Face detection Both phones have face detection.
Light Source Dual LED flash Dual LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash Noise reduction, GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, UltraShot engine
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Xiaomi MI A1 has better second camera resolution than OnePlus 8.
Lens Type (2nd Camera) Telephoto lens -
Lens Aperture (2nd Camera) F/2.6 F/2.4 OnePlus 8 has better second camera lens aperture than Xiaomi MI A1.
Pixel Size (2nd Camera) - 1.75 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 16 Megapixel
Lens Type (3rd Camera) - Ultra wide-angle lens
Lens Aperture (3rd Camera) - F/2.2
Field of View (3rd Camera) - 116 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel OnePlus 8 has better front camera resolution than Xiaomi MI A1.
Sensor Name (Front) - Sony Exmor RX IMX471 sensor
Lens Aperture (Front) - F/2.45
Pixel Size (Front) - 1 μm
Focus Adjustment - Focus free
Special Effects (Front) - HDR, face retouch
Camera Modes (Front) Beautify with 36 smart beauty profiles Time-lapse mode
Face Recognition (Face ID) Face recognition - Xiaomi MI A1 has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps
Camera Features (Front) Self-timer Electronic Image Stabiliser (EIS)
BATTERY AND CHARGING Xiaomi MI A1 OnePlus 8
Battery Capacity (Battery Size) 3080 mAh 4300 mAh OnePlus 8 has larger battery capacity than Xiaomi MI A1.
Fast Charging Technology - Warp Charge 30 technology, Warp Charge 30T technology OnePlus 8 has fast charging technology.
Talk Time - 1740 minutes
Run Time Details - Talk: up to 1740 min
Standby: up to 391 hrs
Battery Technology Lithium Ion Lithium Ion
CELLULAR Xiaomi MI A1 OnePlus 8
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OnePlus 8 has more advanced generation mobile network.
Operating System Google Android OxygenOS (based on Android 10)
Intelligent Assistant Google Assistant -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI A1 OnePlus 8
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1
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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900, 1700, 800
4G LTE Band Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n7, n28, n78
5G NR Frequency - FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.2 Bluetooth 5.1
Bluetooth Profiles HID -
NFC - Yes OnePlus 8 has NFC reader for mobile payments.
Modem - Snapdragon X55 5G
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI A1 OnePlus 8
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4
Supported Digital Video Standards MKV, XviD, MPEG-4, M4V MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4
Sound Enhancements Dirac HD Sound Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound
FEATURES Xiaomi MI A1 OnePlus 8
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, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Noise suppression by Fortemedia Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider
OTHERS Xiaomi MI A1 OnePlus 8
Included Accessories Power adapter SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter
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