Xiaomi MI 4i vs. Vivo Nex

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and Vivo Nex. 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. Vivo Nex Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i Vivo Nex
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 162 mm Vivo Nex has greater height than Xiaomi MI 4i.
Width 69.6 mm 77 mm Vivo Nex has greater width than Xiaomi MI 4i.
Depth 7.8 mm 7.98 mm Xiaomi MI 4i is narrower than Xiaomi MI 4i.
Weight 130 g 199 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Black
Waterproof (Water-resistant) - -
SAR Value 1.29 W/kg 0.296 W/kg (body), 0.106 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
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 Vivo Nex
Display Type LCD display OLED display
Display Technology IPS Super AMOLED
Screen Size (Display Size) 5" 6.59" Vivo Nex has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2316 x 1080 pixels Vivo Nex has better screen resolution than Xiaomi MI 4i.
Display Format Full HD Full HD+
Pixel Density 441 ppi -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - FullView Display
Display Protection (Screen Protector) Corning Concore Glass -
PROCESSOR Xiaomi MI 4i Vivo Nex
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm Snapdragon 845
Clock Speed 1.7 GHz 2.8 GHz Vivo Nex 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 - Xiaomi MI 4i has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 -
MEMORY Xiaomi MI 4i Vivo Nex
RAM 2 GB 8 GB Vivo Nex has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 128 GB Vivo Nex has more internal memory than Xiaomi MI 4i.
CAMERA Xiaomi MI 4i Vivo Nex
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 12 Megapixel Xiaomi MI 4i has better camera resolution than Vivo Nex.
Lens Aperture F/2.0 F/1.8 Vivo Nex has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Vivo Nex has optical stabilisation.
Focus Adjustment Automatic Automatic
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode Panorama, Slow motion mode, Face Beauty, Bokeh Mode
Face Recognition (Face ID) Face detection, smile detection - Xiaomi MI 4i has face detection.
Light Source Dual LED flash Dual tone LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p), 1280 x 720 (720p), 3840 x 2160 (4K)
Camera Features (Functions) - Live Photo
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Aperture (2nd Camera) - F/2.4
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 8 Megapixel Vivo Nex has better front camera resolution than Xiaomi MI 4i.
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 -
Camera Modes (Front) - Panorama, Face Beauty, Bokeh Mode
BATTERY AND CHARGING Xiaomi MI 4i Vivo Nex
Battery Capacity (Battery Size) 3120 mAh 4000 mAh Vivo Nex 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 Lithium Ion
CELLULAR Xiaomi MI 4i Vivo Nex
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) Funtouch OS 4.0 (based on Android Oreo 8.1)
User Interface MIUI V6 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS
COMMUNICATIONS Xiaomi MI 4i Vivo Nex
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
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 34, Band 38, Band 39, Band 40, Band 41
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, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles A2DP, HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i Vivo Nex
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ -
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 AVI, MPEG-4, 3GP
Sound Enhancements - Hi-Fi Sound support
FEATURES Xiaomi MI 4i Vivo Nex
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
Security Devices - Fingerprint reader (under display)
Additional Phone Features MIMO technology, Active noise-cancellation Fast Charging
OTHERS Xiaomi MI 4i Vivo Nex
Included Accessories Power adapter Headphones, protective cover, USB cable, power adapter, SIM card removal tool
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