Xiaomi MI 4i vs. OPPO Reno8 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and OPPO Reno8 5G. 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. OPPO Reno8 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i OPPO Reno8 5G
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 160 mm OPPO Reno8 5G has greater height than Xiaomi MI 4i.
Width 69.6 mm 73.4 mm OPPO Reno8 5G has greater width than Xiaomi MI 4i.
Depth 7.8 mm 7.67 mm OPPO Reno8 5G is narrower than Xiaomi MI 4i.
Weight 130 g 179 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Shimmer black | Gold shimmer
Waterproof (Water-resistant) - - OPPO Reno8 5G is waterproof.
SAR Value 1.29 W/kg 0.96 W/kg (head), 1.288 W/kg (body), 2.756 W/kg (limb)
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 OPPO Reno8 5G
Display Type LCD display OLED display
Display Technology IPS Rigid AMOLED
Screen Size (Display Size) 5" 6.4" OPPO Reno8 5G has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels OPPO Reno8 5G has better screen resolution than Xiaomi MI 4i.
Display Format Full HD Full HD
Pixel Density 441 ppi 409 ppi Xiaomi MI 4i has better pixel density than OPPO Reno8 5G.
Max Brightness - 800 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR - Yes OPPO Reno8 5G has HDR.
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 180 Hz
Display Features - O1 Ultra Vision Engine, Eye Care, 97% NTSC, 95% DCI-P3
Display Protection (Screen Protector) Corning Concore Glass Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI 4i OPPO Reno8 5G
Processor Type (CPU) Qualcomm Snapdragon 615 MediaTek Dimensity 1300
Clock Speed 1.7 GHz 3 GHz OPPO Reno8 5G 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 ARM Mali-G77 MC9
MEMORY Xiaomi MI 4i OPPO Reno8 5G
RAM 2 GB LPDDR4X SDRAM - 8 GB OPPO Reno8 5G has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 256 GB OPPO Reno8 5G has more internal memory than Xiaomi MI 4i.
Memory Interface - UFS 3.1
CAMERA Xiaomi MI 4i OPPO Reno8 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 50 Megapixel OPPO Reno8 5G has better camera resolution than Xiaomi MI 4i.
Sensor Size - 1/1.56"
Sensor Name - Sony Exmor RS IMX766 sensor
Lens Aperture F/2.0 F/1.8 OPPO Reno8 5G has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element 7-element
Field of View (FoV) - 86 degree(s)
Focus Adjustment Automatic Automatic
Special Effects - Stickers, DOL-HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode Panorama, Time-lapse mode, Slow motion mode, Pro mode, HYPERLAPSE, Portrait, Night, Macro slow-motion video, Dual-View Video, Extra HD, Text scanner
Face Recognition (Face ID) Face detection, smile detection - Xiaomi MI 4i has face detection.
Light Source 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 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) - AI Portrait, All Pixel OmniDirectional PDAF
SECOND CAMERA
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) - 112 degree(s)
THIRD CAMERA
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 89 degree(s)
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 32 Megapixel OPPO Reno8 5G has better front camera resolution than Xiaomi MI 4i.
Sensor Size (Front) - 1/2.74"
Sensor Name (Front) - Sony IMX709 sensor
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 F/2.4 Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i.
Lens Element Qty (Front) 5-element 5-element
Field of View (Front) - 85 degree(s)
Special Effects (Front) - RGB, Stickers, DOL-HDR
Camera Modes (Front) - Panorama, Time-lapse mode, night mode, Portrait, Dual-View Video
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - AI portrait retouching
BATTERY AND CHARGING Xiaomi MI 4i OPPO Reno8 5G
Battery Capacity (Battery Size) 3120 mAh 4500 mAh OPPO Reno8 5G has larger battery capacity than Xiaomi MI 4i.
Fast Charging Technology - Qualcomm Quick Charge, VOOC Flash Charge technology, SuperVOOC Flash Charge technology, Power Delivery OPPO Reno8 5G has fast charging technology.
Talk Time 2100 minutes -
Run Time Details Talk (WCDMA): up to 2100 min -
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 4i OPPO Reno8 5G
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OPPO Reno8 5G has more advanced generation mobile network.
Operating System Android 5.0.2 (Lollipop) ColorOS 12.1 (based on Android 12)
User Interface MIUI V6 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI 4i OPPO Reno8 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency - 2100, 1900, 1700, 850, 800, 900, 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 26, Band 28, 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 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.3 BLE
Bluetooth Profiles A2DP, HID -
NFC - Yes OPPO Reno8 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 4i OPPO Reno8 5G
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ AAC, LDAC, SBC, apt-X HD
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 -
FEATURES Xiaomi MI 4i OPPO Reno8 5G
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor Accelerometer, proximity sensor, geomagnetic sensor, gravity sensor, optical sensor, light sensor, gyroscope
Security Devices - Fingerprint reader (under display), face recognition
Additional Phone Features MIMO technology, Active noise-cancellation MIMO technology, Air Gesture, MU-MIMO technology, Step counter, AI System Booster, Battery Health Engine, Super-Conductive VC Liquid Cooling System
OTHERS Xiaomi MI 4i OPPO Reno8 5G
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - TUV SUD, SGS Eye Care Display Certification, Netflix HD Certification, Amazon Prime Video HD Certification
Other projects: