Xiaomi MI 9 Lite vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 Lite and Samsung Galaxy A51 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 A51 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A516B/DS
Form Factor Touch Touch
Height 156.8 mm 158.9 mm Samsung Galaxy A51 5G has greater height than Xiaomi MI 9 Lite.
Width 74.5 mm 73.6 mm Xiaomi MI 9 Lite has greater width than Samsung Galaxy A51 5G.
Depth 8.67 mm 8.7 mm Xiaomi MI 9 Lite is narrower than Xiaomi MI 9 Lite.
Weight 179 g 187 g Xiaomi MI 9 Lite is lighter than Xiaomi MI 9 Lite.
Body Colour Aurora blue Prism cube black | Prism cube white
Waterproof (Water-resistant) - -
SAR Value 1.4 W/kg (body), 1.42 W/kg (head), 3.18 W/kg (limb) 1.555 W/kg (body), 0.496 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
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Display Type OLED display OLED display
Display Technology AMOLED Infinity-O Super AMOLED
Screen Size (Display Size) 6.39" 6.5" Samsung Galaxy A51 5G has larger screen size than Xiaomi MI 9 Lite.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 5G has better screen resolution than Xiaomi MI 9 Lite.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 -
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
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 Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Processor Type (CPU) Qualcomm Snapdragon 710 -
Clock Speed 2.2 GHz 2.2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY Xiaomi MI 9 Lite Samsung Galaxy A51 5G
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.
User Memory - 105.3 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 1 TB
CAMERA Xiaomi MI 9 Lite Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2" -
Lens Type Wide-angle lens -
Lens Aperture F/1.79 F/2.0 Xiaomi MI 9 Lite has better lens aperture than Xiaomi MI 9 Lite.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x 8x Xiaomi MI 9 Lite has better digital zoom than Samsung Galaxy A51 5G.
Special Effects HDR Bokeh effect
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 Slow motion video
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 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 480 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 Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy A51 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) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 5 Megapixel Samsung Galaxy A51 5G has higher resolution third camera than Xiaomi MI 9 Lite.
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) Depth camera Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 32 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi MI 9 Lite has better front lens aperture than Xiaomi MI 9 Lite.
Pixel Size (Front) 1.6 μm -
Focus Adjustment - Focus free
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 -
BATTERY AND CHARGING Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 4030 mAh 4500 mAh Samsung Galaxy A51 5G 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.
Talk Time - 1380 minutes
Run Time Details - Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A51 5G has more advanced generation mobile network.
Operating System Android 9.0 Pie -
User Interface MIUI 10 -
Intelligent Assistant - Bixby
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
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 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 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 4, Band 5, Band 7, Band 8, Band 12, 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band - N41, n78
5G NR Frequency - TDD TD 2500, TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 Lite Samsung Galaxy A51 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, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Fingerprint reader (under display)
Additional Phone Features HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, AI Engine, MI Turbo, GAME Turbo 2.0 Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS Xiaomi MI 9 Lite Samsung Galaxy A51 5G
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case Power adapter
Compliant Standards VDE -
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