Xiaomi MI Mix 3 5G vs. Nokia XR21

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 3 5G and Nokia XR21. 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 3 5G vs. Nokia XR21 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 5G Nokia XR21
Product Type Smartphone Smartphone
Manufacturer Model Number - TA-1486
Form Factor Touch slider Touch - Rugged
Height 157.89 mm 168 mm Nokia XR21 has greater height than Xiaomi MI Mix 3 5G.
Width 74.69 mm 78.58 mm Nokia XR21 has greater width than Xiaomi MI Mix 3 5G.
Depth 8.46 mm 10.45 mm Xiaomi MI Mix 3 5G is narrower than Xiaomi MI Mix 3 5G.
Weight 225 g 231 g Xiaomi MI Mix 3 5G is lighter than Xiaomi MI Mix 3 5G.
Body Colour Sapphire blue | Onyx black Midnight black | Pine green
Body Material - Polycarbonate, thermoplastic polyurethane (TPU)
Protection - Dustproof, drop-proof, water-resistant
Waterproof (Water-resistant) - Yes Nokia XR21 is waterproof.
IP rating - IP68, IP69K, IP69
SAR Value 1.577 W/kg (body), 1.557 W/kg (head) 1.16 W/kg (body), 1.1 W/kg (head)
Integrated Components - LED flashlight
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) - Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Xiaomi MI Mix 3 5G Nokia XR21
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.39" 6.49" Nokia XR21 has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Nokia XR21 has better screen resolution than Xiaomi MI Mix 3 5G.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 20:9
Max Brightness 600 cd/m² 550 cd/m² Xiaomi MI Mix 3 5G has better display brightness than Nokia XR21.
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI Mix 3 5G has HDR.
Display Enhancement Technology Sunlight mode -
Display Refresh Rate - 120 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode Glove & Wet Touch, 82% NTSC
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Xiaomi MI Mix 3 5G Nokia XR21
Processor Type (CPU) Qualcomm Snapdragon 855 Qualcomm Snapdragon 695 5G
Processor Number - SM6375
Clock Speed 2.84 GHz 2.2 GHz Xiaomi MI Mix 3 5G has higher clock speed than Nokia XR21.
Processor Core Qty - 8-core
64-bit Architecture Yes - Xiaomi MI Mix 3 5G has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 Qualcomm ADRENO 619
MEMORY Xiaomi MI Mix 3 5G Nokia XR21
RAM LPDDR4X SDRAM - 6 GB 6 GB Both phones have the same RAM size.
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 3 5G Nokia XR21
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 64 Megapixel Nokia XR21 has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 -
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI Mix 3 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, Nightscape capture mode, Personalized AI Beautify AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Light Source Flash Dual LED flash
Video Resolutions 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, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps -
Camera Features (Functions) AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Xiaomi MI Mix 3 5G has better second camera resolution than Nokia XR21.
Sensor Name (2nd Camera) Samsung S5K3M3+ -
Lens Type (2nd Camera) - Ultra wide-angle lens
Pixel Size (2nd Camera) 1 μm -
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 24 Megapixel 16 Megapixel Xiaomi MI Mix 3 5G has better front camera resolution than Nokia XR21.
Sensor Name (Front) Sony Exmor RS IMX576 sensor -
Pixel Size (Front) 1.8 μm -
Special Effects (Front) Magic mirror -
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Camera Features (Front) AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Sensor Name (2nd Front) OC0A10 -
Pixel Size (2nd Front) 1.75 μm -
BATTERY AND CHARGING Xiaomi MI Mix 3 5G Nokia XR21
Battery Capacity (Battery Size) 3800 mAh 4800 mAh Nokia XR21 has larger battery capacity than Xiaomi MI Mix 3 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Qualcomm Quick Charge 3.0, Power Delivery 2.0 Both phones have fast charging technology.
Run Time Details - Mixed usage: up to 48 hrs
CELLULAR Xiaomi MI Mix 3 5G Nokia XR21
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System - Android 12
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS
COMMUNICATIONS Xiaomi MI Mix 3 5G Nokia XR21
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 LTE, 5G NR
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, 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 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66, Band 71
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, 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 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR Band N78 N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25
5G NR Frequency TDD TD 3500 FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem - Snapdragon X51 5G
Messaging Services SMS, MMS -
MEDIA Xiaomi MI Mix 3 5G Nokia XR21
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP -
Sound Enhancements - OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode
FEATURES Xiaomi MI Mix 3 5G Nokia XR21
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features MIMO technology, MU-MIMO technology Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function
OTHERS Xiaomi MI Mix 3 5G Nokia XR21
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable SIM card removal tool, USB-C cable
Compliant Standards - IP68, IP69K, MIL-STD-810H
Product Recycled Content - 100 % - aluminium inner chassis
Max Height of Shock Resistance - 1.8 m
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