Xiaomi MI 9 Lite vs. Samsung Galaxy S21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 Lite and Samsung Galaxy S21 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 9 Lite vs. Samsung Galaxy S21 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G991U1
Form Factor Touch Touch
Height 156.8 mm 151.7 mm Xiaomi MI 9 Lite has greater height than Samsung Galaxy S21 5G.
Width 74.5 mm 71.2 mm Xiaomi MI 9 Lite has greater width than Samsung Galaxy S21 5G.
Depth 8.67 mm 7.9 mm Samsung Galaxy S21 5G is narrower than Xiaomi MI 9 Lite.
Weight 179 g 171 g Samsung Galaxy S21 5G is lighter than Xiaomi MI 9 Lite.
Body Colour Aurora blue Phantom grey | Phantom white
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy S21 5G is waterproof.
IP rating - IP68
SAR Value 1.4 W/kg (body), 1.42 W/kg (head), 3.18 W/kg (limb) 1.58 W/kg (simultaneous), 1.11 W/kg (wireless router), 1.08 W/kg (body), 0.74 W/kg (head)
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, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Display Type OLED display OLED display
Display Technology AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.39" 6.2" Xiaomi MI 9 Lite has larger screen size than Samsung Galaxy S21 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy S21 5G has better screen resolution than Xiaomi MI 9 Lite.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi 421 ppi Samsung Galaxy S21 5G has better pixel density than Xiaomi MI 9 Lite.
Aspect Ratio 19.5:9 -
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
Contrast Ratio 60000:1 -
HDR Yes Yes Both phones have HDR.
HDR Technology HDR10 HDR10+
Display Enhancement Technology Sunshine mode 2.0 Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display AOD(Always On Display), Video Wallpaper
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Processor Type (CPU) Qualcomm Snapdragon 710 Qualcomm Snapdragon 888
Clock Speed 2.2 GHz 2.84 GHz Samsung Galaxy S21 5G 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 -
MEMORY Xiaomi MI 9 Lite Samsung Galaxy S21 5G
RAM LPDDR4X SDRAM - 6 GB LPDDR5 SDRAM - 8 GB Samsung Galaxy S21 5G has more RAM than Xiaomi MI 9 Lite.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory - 101.2 GB
CAMERA Xiaomi MI 9 Lite Samsung Galaxy S21 5G
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 12 Megapixel Xiaomi MI 9 Lite has better camera resolution than Samsung Galaxy S21 5G.
Sensor Size 1/2" 1/1.76" Xiaomi MI 9 Lite has better camera sensor size than Samsung Galaxy S21 5G.
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.79 F/1.8 Xiaomi MI 9 Lite has better lens aperture than Xiaomi MI 9 Lite.
Lens Construction 6-element -
Field of View (FoV) - 79 degree(s)
Pixel Size 0.8 μm 1.8 μm Samsung Galaxy S21 5G has larger camera pixel size than Xiaomi MI 9 Lite.
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes Yes
Optical Zoom 2x 3x Samsung Galaxy S21 5G has better optical zoom than Xiaomi MI 9 Lite.
Digital Zoom 10x 30x Samsung Galaxy S21 5G has better digital zoom than Xiaomi MI 9 Lite.
Self-Timer Delay - Yes
Special Effects HDR Face retouch, Grid Line
HDR Mode - Auto HDR mode
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, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Motion Photo, Mountain, Single Take, Pro Video, Portrait video, Director's View
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 Lite has face detection.
Light Source LED flash High CRI 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 60 fps, 1280 x 720 (720p) at 30 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, 7680 x 4320 (8K) at 24 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 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 Playback zoom, Motion photo, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Super Speed Dual Pixel AF, Quick Measure, Zoom-In Mic, HEIF image capture, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video, AR Doodle, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only)
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy S21 5G has better second camera resolution than Xiaomi MI 9 Lite.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) - 1.4 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 64 Megapixel Samsung Galaxy S21 5G has higher resolution third camera than Xiaomi MI 9 Lite.
Sensor Size (3rd Camera) - 1/1.72"
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.0
Field of View (3rd Camera) - 76 degree(s)
Pixel Size (3rd Camera) - 0.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 5G has optical stabilisation of the third camera.
Camera Functions (3rd Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 10 Megapixel Xiaomi MI 9 Lite has better front camera resolution than Samsung Galaxy S21 5G.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi MI 9 Lite has better front lens aperture than Xiaomi MI 9 Lite.
Field of View (Front) - 80 degree(s)
Pixel Size (Front) 1.6 μm 1.22 μm Xiaomi MI 9 Lite has larger front camera pixel size than Samsung Galaxy S21 5G.
Focus Adjustment - Automatic
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) Selfie panorama, AI portrait mode, AI Beautify, AI makeup -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 Lite has 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 Dual Pixel AF
BATTERY AND CHARGING Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Battery Capacity (Battery Size) 4030 mAh 4000 mAh Xiaomi MI 9 Lite has larger battery capacity than Samsung Galaxy S21 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Power Delivery 3.0 Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21 5G can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Talk Time - 1800 minutes
Run Time Details - Talk (LTE): up to 1800 min
Active online usage (LTE): up to 14 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (wireless video): up to 19 hrs
Playback (wireless audio): up to 72 hrs
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS)
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 5G has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 11
User Interface MIUI 10 -
Intelligent Assistant - Bixby
Payment Technology Google Pay Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, Galileo
COMMUNICATIONS Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1, 5G NR FR2
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
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 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, 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 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR Band - N41, n71, n260, n261
5G NR Frequency - TDD TD 2500, FDD 600, TDD 39GHz, TDD 28GHz
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Xiaomi MI 9 Lite Samsung Galaxy S21 5G
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, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Fingerprint reader (under display), face recognition
Additional Phone Features HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, AI Engine, MI Turbo, GAME Turbo 2.0 MIMO technology, Screen Write, notification flashlight, Smart Select, Fast Charging, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command
OTHERS Xiaomi MI 9 Lite Samsung Galaxy S21 5G
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case SIM card removal tool, USB-C to USB-C cable
Compliant Standards VDE VDE, IP68, HAC (Hearing Aid Compatible), SGS Eye Care Display Certification
Max Depth of Water Resistance - 1.5 m
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