Xiaomi MI 4i vs. OnePlus 6

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and OnePlus 6. 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 4i vs. OnePlus 6 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i OnePlus 6
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 155.7 mm OnePlus 6 has greater height than Xiaomi MI 4i.
Width 69.6 mm 75.4 mm OnePlus 6 has greater width than Xiaomi MI 4i.
Depth 7.8 mm 7.75 mm OnePlus 6 is narrower than Xiaomi MI 4i.
Weight 130 g 177 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Mirror black
Body Material - Glass
Waterproof (Water-resistant) - -
SAR Value 1.29 W/kg 1.38 W/kg (body), 1.33 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 4i OnePlus 6
Display Type LCD display OLED display
Display Technology IPS Optic AMOLED
Screen Size (Display Size) 5" 6.28" OnePlus 6 has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2280 x 1080 pixels OnePlus 6 has better screen resolution than Xiaomi MI 4i.
Display Format Full HD -
Pixel Density 441 ppi -
Aspect Ratio - 19:9
Colour Depth 16.7 million colours -
Display Features - 2.5D Glass, Reading mode, night mode
Display Protection (Screen Protector) Corning Concore Glass Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI 4i OnePlus 6
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm Snapdragon 845
Clock Speed 1.7 GHz 2.8 GHz OnePlus 6 has higher clock speed than Xiaomi MI 4i.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 Qualcomm ADRENO 630
MEMORY Xiaomi MI 4i OnePlus 6
RAM 2 GB LPDDR4X SDRAM - 6 GB OnePlus 6 has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 64 GB OnePlus 6 has more internal memory than Xiaomi MI 4i.
CAMERA Xiaomi MI 4i OnePlus 6
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 16 Megapixel OnePlus 6 has better camera resolution than Xiaomi MI 4i.
Sensor Name - Sony Exmor RS IMX519 sensor
Lens Aperture F/2.0 F/1.7 OnePlus 6 has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) OnePlus 6 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects - Portrait, HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode Panorama, Time-lapse mode, Pro mode, portrait mode
Face Recognition (Face ID) Face detection, smile detection - Xiaomi MI 4i has face detection.
Light Source Dual LED flash Dual LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 480 fps
Camera Features (Functions) - Electronic Image Stabiliser (EIS), RAW image capture, Detect Contrast Auto-Focus (DCAF), Dynamic Denoise, Clear Image
SECOND CAMERA
Sensor Resolution (2nd Camera) - 20 Megapixel
Sensor Name (2nd Camera) - Sony Exmor RS IMX376K sensor
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) - F/1.7
Camera Features (2nd Camera) - Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel OnePlus 6 has better front camera resolution than Xiaomi MI 4i.
Sensor Name (Front) - Sony Exmor RS IMX371 sensor
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 F/2.0 Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i.
Lens Element Qty (Front) 5-element -
Focus Adjustment - Focus free
Special Effects (Front) - HDR
Camera Modes (Front) - Time-lapse mode, Face Beauty
Face Recognition (Face ID) - Smile Capture OnePlus 6 has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - Electronic Image Stabiliser (EIS)
BATTERY AND CHARGING Xiaomi MI 4i OnePlus 6
Battery Capacity (Battery Size) 3120 mAh 3300 mAh OnePlus 6 has larger battery capacity than Xiaomi MI 4i.
Talk Time 2100 minutes -
Run Time Details Talk (WCDMA): up to 2100 min -
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 4i OnePlus 6
Technology TD-SCDMA / WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) OxygenOS (based on Android Oreo)
User Interface MIUI V6 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI 4i OnePlus 6
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency - 2100, 1900, 1700, 850, 900, 1700, 800
4G LTE Band Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71
4G LTE Frequency FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles A2DP, HID -
NFC - Yes OnePlus 6 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i OnePlus 6
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, WMA, AAC, MP3, FLAC, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, IMY, MID, AMR-WB, AMR-NB, apt-X HD
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 MKV, FLV, AVI, MOV, MPEG-4, WMV, 3GP, TS, WebM, HEVC, H.265
Sound Enhancements - Dirac Power Sound technology, Dirac HD Sound
FEATURES Xiaomi MI 4i OnePlus 6
Phone Functions Speakerphone, call timer, conference call, flight mode, 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, hall sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor
Security Devices - Face recognition, fingerprint reader
Additional Phone Features MIMO technology, Active noise-cancellation Noise Cancellation Technology, MIMO technology, Android Sensor Hub, RGB LED notification light
OTHERS Xiaomi MI 4i OnePlus 6
Included Accessories Power adapter SIM card removal tool, screen protector (pre-applied), translucent case, fast charge USB-C cable, fast charge power adapter
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