Xiaomi MI Mix 2 vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 2 and Realme C21. 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 2 vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 2 Realme C21
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 151.8 mm 165.2 mm Realme C21 has greater height than Xiaomi MI Mix 2.
Width 75.5 mm 76.4 mm Realme C21 has greater width than Xiaomi MI Mix 2.
Depth 7.7 mm 8.9 mm Xiaomi MI Mix 2 is narrower than Xiaomi MI Mix 2.
Weight 185 g 190 g Xiaomi MI Mix 2 is lighter than Xiaomi MI Mix 2.
Body Colour Black Cross black | Cross blue
Body Material Ceramic, aerospace-grade aluminium alloy frame -
Waterproof (Water-resistant) - -
SAR Value 1.77 W/kg (body), 0.39 W/kg (head) -
Connector Type USB Type-C - 24 pin USB-C Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI Mix 2 Realme C21
Display Type - LCD display
Display Technology - LCD
Screen Size (Display Size) 5.99" 6.5" Realme C21 has larger screen size than Xiaomi MI Mix 2.
Screen Resolution (Display Resolution) 2160 x 1080 pixels 1600 x 720 pixels Xiaomi MI Mix 2 has better screen resolution than Realme C21.
Display Format - HD+
Pixel Density 403 ppi -
Aspect Ratio 18:9 20:9
Max Brightness - 420 cd/m²
Contrast Ratio 1500:1 -
Display Features Night Display, Sunlight Display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut Mini-drop display
PROCESSOR Xiaomi MI Mix 2 Realme C21
Processor Type (CPU) Qualcomm Snapdragon 835 MediaTek Helio G35
Clock Speed 2.45 GHz 2.3 GHz Xiaomi MI Mix 2 has higher clock speed than Realme C21.
Processor Core Qty - 8-core
64-bit Architecture Yes - Xiaomi MI Mix 2 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 540 PowerVR GE8320
MEMORY Xiaomi MI Mix 2 Realme C21
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 3 GB Xiaomi MI Mix 2 has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 64 GB 32 GB Xiaomi MI Mix 2 has more internal memory than Realme C21.
Supported Flash Memory Cards (Expandable Memory) - microSD
CAMERA Xiaomi MI Mix 2 Realme C21
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 12 Megapixel 13 Megapixel Realme C21 has better camera resolution than Xiaomi MI Mix 2.
Sensor Name Sony Exmor RX IMX386 sensor -
Lens Aperture F/2.0 F/2.2 Xiaomi MI Mix 2 has better lens aperture than Xiaomi MI Mix 2.
Lens Construction 5-element 5-element
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI Mix 2 has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 4x
Special Effects HDR HDR
Camera Modes Burst mode, Panorama, low-light shots Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 2 has face detection.
Light Source Dual flash LED flash
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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Two-tone flash Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Lens Element Qty (2nd Camera) - 3-element
Camera Functions (2nd Camera) - B&W lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) - F/2.2
Lens Element Qty (Front) - 3-element
Special Effects (Front) Mirror HDR
Camera Modes (Front) Beautify with 36 smart beauty profiles, realtime Beautify Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Selfie countdown -
BATTERY AND CHARGING Xiaomi MI Mix 2 Realme C21
Battery Capacity (Battery Size) 3400 mAh 5000 mAh Realme C21 has larger battery capacity than Xiaomi MI Mix 2.
Fast Charging Technology Qualcomm Quick Charge 3.0 - Xiaomi MI Mix 2 has fast charging technology.
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI Mix 2 Realme C21
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - Android 10
User Interface - Realme UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI Mix 2 Realme C21
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Xiaomi MI Mix 2 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI Mix 2 Realme C21
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB -
Supported Digital Video Standards MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP -
Sound Enhancements Dual ADC HD voice recording -
FEATURES Xiaomi MI Mix 2 Realme C21
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 proximity sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader Fingerprint reader
Additional Phone Features MU-MIMO technology, Chip-On-Film technology Super power saving mode, HyperEngine technology, Reverse charging
OTHERS Xiaomi MI Mix 2 Realme C21
Included Accessories Power adapter, SIM card removal tool, USB-C cable, Mi MIX 2 protective cover, Type-C to audio converter USB cable, power adapter, SIM card removal tool
Compliant Standards - TUV Rheinland
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