Xiaomi MI Mix vs. OPPO Reno4 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix and OPPO Reno4 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 Mix vs. OPPO Reno4 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix OPPO Reno4 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - CPH2091
Form Factor Touch Touch
Height 158.8 mm 159.3 mm OPPO Reno4 5G has greater height than Xiaomi MI Mix.
Width 81.9 mm 74 mm Xiaomi MI Mix has greater width than OPPO Reno4 5G.
Depth 7.9 mm 7.8 mm OPPO Reno4 5G is narrower than Xiaomi MI Mix.
Weight 209 g 183 g OPPO Reno4 5G is lighter than Xiaomi MI Mix.
Body Colour Black Space black | Galactic blue
Body Material Ceramic -
Waterproof (Water-resistant) - -
IP rating - IP54
SAR Value - 0.886 W/kg (head), 1.155 W/kg (body), 2.165 W/kg (limb)
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
DISPLAY Xiaomi MI Mix OPPO Reno4 5G
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 6.4" 6.4" Both phones have the same screen size.
Screen Resolution (Display Resolution) 2040 x 1080 pixels 2400 x 1080 pixels OPPO Reno4 5G has better screen resolution than Xiaomi MI Mix.
Display Format - Full HD+
Pixel Density 362 ppi 409 ppi OPPO Reno4 5G has better pixel density than Xiaomi MI Mix.
Aspect Ratio - 20:9
Max Brightness 500 cd/m² 800 cd/m² OPPO Reno4 5G has better display brightness than Xiaomi MI Mix.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 1300:1 800000:1 OPPO Reno4 5G has better display contrast ratio than Xiaomi MI Mix.
Display Refresh Rate - 60 Hz
Display Features - DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Xiaomi MI Mix OPPO Reno4 5G
Processor Type (CPU) Qualcomm Snapdragon 821 Qualcomm Snapdragon 765G
Clock Speed 2.35 GHz 2.4 GHz OPPO Reno4 5G has higher clock speed than Xiaomi MI Mix.
Processor Core Qty - 8-core
64-bit Architecture Yes - Xiaomi MI Mix has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 Qualcomm ADRENO 620
MEMORY Xiaomi MI Mix OPPO Reno4 5G
RAM 4 GB LPDDR4X SDRAM - 8 GB OPPO Reno4 5G has more RAM than Xiaomi MI Mix.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 2.1
CAMERA Xiaomi MI Mix OPPO Reno4 5G
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 48 Megapixel OPPO Reno4 5G has better camera resolution than Xiaomi MI Mix.
Sensor Size - 1/2"
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Aperture F/2.0 F/1.7 OPPO Reno4 5G has better lens aperture than Xiaomi MI Mix.
Lens Construction - 6-element
Pixel Size - 0.8 μm
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Minimum Focal Length (Focal Distance) - 26 mm
Special Effects - HDR, Bokeh effect
HDR Mode Auto HDR mode -
Camera Modes Burst mode, Panorama, low-light shots Time-lapse mode, night mode, Expert Mode, Text, AI Beautify, AI Portait, Pano mode, Dazzle Colour Mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix has face detection.
Light Source Dual flash LED flash
Still Image Resolutions - 8000 x 6000
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, 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) Phase Detect Auto-Focus (PDAF), Colour Correlated Temperature (CCT) flash Noise reduction, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Closed loop processing, 4-in-1 Pixel technology, Ultra Steady Video, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF)
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
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) - 119 degree(s)
Minimum Focal Length (2nd Camera) - 16 mm
Camera Functions (2nd Camera) - Monochrome
Camera Modes (2nd Camera) - Ultra Night Mode 3.0
Camera Features (2nd Camera) - 5-piece lens, Ultra Steady Video Pro
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 5 Megapixel 32 Megapixel OPPO Reno4 5G has better front camera resolution than Xiaomi MI Mix.
Sensor Name (Front) - Sony Exmor RS IMX616 sensor
Lens Aperture (Front) - F/2.4
Lens Element Qty (Front) - 5-element
Pixel Size (Front) - 0.8 μm
Special Effects (Front) Smart beauty -
Camera Modes (Front) Real time beauty mode Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix has face detection.
Light Source (Front) - Display flash
Still Image Resolutions (Front) - 6560 x 4928
Video Resolutions (Front) 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Self-timer Electronic Image Stabiliser (EIS), 5P lens
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) - 2 Megapixel
Lens Aperture (2nd Front) - F/2.4
Pixel Size (2nd Front) - 1.75 μm
Camera Functions (2nd Front) - Portait camera
Camera Features (2nd Front) - 3-piece lens
BATTERY AND CHARGING Xiaomi MI Mix OPPO Reno4 5G
Battery Capacity (Battery Size) 4400 mAh 4020 mAh Xiaomi MI Mix has larger battery capacity than OPPO Reno4 5G.
Fast Charging Technology - SuperVOOC 2.0 Flash Charge OPPO Reno4 5G has fast charging technology.
Recharge Time (Charging Time) - 36 min
Standby Time 256 hours 390 hours OPPO Reno4 5G has longer standby time than Xiaomi MI Mix.
Talk Time - 1560 minutes
Run Time Details Standby: up to 256 hrs Standby: up to 390 hrs
Talk: up to 1560 min
Playback (Music): up to 37 hrs
Playback (video): up to 17.1 hrs
CELLULAR Xiaomi MI Mix OPPO Reno4 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OPPO Reno4 5G has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) ColorOS 7.2 (based on Android 10)
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Xiaomi MI Mix OPPO Reno4 5G
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band - 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 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, 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 32, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, 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, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
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
Bluetooth Bluetooth 4.2 Bluetooth 5.1
Bluetooth Profiles A2DP, HID -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI Mix OPPO Reno4 5G
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 MKV, FLV, AVI, MOV, WMV, 3GP, MP4
Sound Enhancements - Dolby Atmos sound technology
FEATURES Xiaomi MI Mix OPPO Reno4 5G
Phone Functions Speakerphone, voice control, call timer, conference call, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, digital compass, barometer, gyro sensor, hall sensor, ultrasonic distance sensor Accelerometer, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features MU-MIMO technology, Cantilever piezoelectric ceramic acoustic system MU-MIMO technology, Google Lens
OTHERS Xiaomi MI Mix OPPO Reno4 5G
Included Accessories Power adapter, leather case, SIM card removal tool, USB-C cable Headphones, power adapter, SIM card removal tool, USB-C cable, protective case
Compliant Standards - IP54, TUV Rheinland Certified Safe Fast-Charge System
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