Xiaomi MI 9 Lite vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 Lite 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 9 Lite vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Lite Realme C21
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 156.8 mm 165.2 mm Realme C21 has greater height than Xiaomi MI 9 Lite.
Width 74.5 mm 76.4 mm Realme C21 has greater width than Xiaomi MI 9 Lite.
Depth 8.67 mm 8.9 mm Xiaomi MI 9 Lite is narrower than Xiaomi MI 9 Lite.
Weight 179 g 190 g Xiaomi MI 9 Lite is lighter than Xiaomi MI 9 Lite.
Body Colour Aurora blue Cross black | Cross blue
Waterproof (Water-resistant) - -
SAR Value 1.4 W/kg (body), 1.42 W/kg (head), 3.18 W/kg (limb) -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
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 9 Lite Realme C21
Display Type OLED display LCD display
Display Technology AMOLED LCD
Screen Size (Display Size) 6.39" 6.5" Realme C21 has larger screen size than Xiaomi MI 9 Lite.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi MI 9 Lite has better screen resolution than Realme C21.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 20:9
Max Brightness 600 cd/m² 420 cd/m² Xiaomi MI 9 Lite has better display brightness than Realme C21.
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI 9 Lite has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Features Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display Mini-drop display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI 9 Lite Realme C21
Processor Type (CPU) Qualcomm Snapdragon 710 MediaTek Helio G35
Clock Speed 2.2 GHz 2.3 GHz Realme C21 has higher clock speed than Xiaomi MI 9 Lite.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9 Lite has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 PowerVR GE8320
MEMORY Xiaomi MI 9 Lite Realme C21
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 3 GB Xiaomi MI 9 Lite has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 128 GB 32 GB Xiaomi MI 9 Lite has more internal memory than Realme C21.
Supported Flash Memory Cards (Expandable Memory) - microSD
CAMERA Xiaomi MI 9 Lite Realme C21
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 13 Megapixel Xiaomi MI 9 Lite has better camera resolution than Realme C21.
Sensor Size 1/2" -
Lens Type Wide-angle lens -
Lens Aperture F/1.79 F/2.2 Xiaomi MI 9 Lite has better lens aperture than Xiaomi MI 9 Lite.
Lens Construction 6-element 5-element
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x 4x Xiaomi MI 9 Lite has better digital zoom than Realme C21.
Special Effects HDR HDR
Camera Modes Burst mode, Panorama, Pro mode, AI Beautify, Smart ultra-wide angle mode, Photo timer, Custom watermark, Full body portrait mode, Baby Beautify, AI smart slimming 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 9 Lite has face detection.
Light Source LED flash LED flash
Still Image Resolutions 8000 x 6000 -
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, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), video stabilisation, 4-in-1 Super Pixel, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Xiaomi MI 9 Lite has better second camera resolution than Realme C21.
Lens Type (2nd Camera) Ultra wide-angle lens -
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 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Camera Functions (3rd Camera) Depth camera Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 5 Megapixel Xiaomi MI 9 Lite has better front camera resolution than Realme C21.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi MI 9 Lite has better front lens aperture than Xiaomi MI 9 Lite.
Lens Element Qty (Front) - 3-element
Pixel Size (Front) 1.6 μm -
Special Effects (Front) HDR, Magic mirror HDR
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify, AI makeup 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) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) Self-timer, age recognition, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, sapphire crystal lens cover, ambient bulb, Palm shutter, AI silhouette detection, wide-angle distortion correction, camera display brightness correction -
BATTERY AND CHARGING Xiaomi MI 9 Lite Realme C21
Battery Capacity (Battery Size) 4030 mAh 5000 mAh Realme C21 has larger battery capacity than Xiaomi MI 9 Lite.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 9 Lite has fast charging technology.
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 9 Lite Realme C21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie Android 10
User Interface MIUI 10 Realme UI
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 9 Lite Realme C21
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
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 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300 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 9 Lite has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Lite Realme C21
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 -
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 Lite Realme C21
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, digital compass, gyro sensor, distance sensor, In-screen ambient light sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, AI Engine, MI Turbo, GAME Turbo 2.0 Super power saving mode, HyperEngine technology, Reverse charging
OTHERS Xiaomi MI 9 Lite Realme C21
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case USB cable, power adapter, SIM card removal tool
Compliant Standards VDE TUV Rheinland
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