Xiaomi MI 9 Lite vs. Vivo X51 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 Lite and Vivo X51 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. Vivo X51 5G Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Lite Vivo X51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - V2006
Form Factor Touch Touch
Height 156.8 mm 158.46 mm Vivo X51 5G has greater height than Xiaomi MI 9 Lite.
Width 74.5 mm 72.8 mm Xiaomi MI 9 Lite has greater width than Vivo X51 5G.
Depth 8.67 mm 8.04 mm Vivo X51 5G is narrower than Xiaomi MI 9 Lite.
Weight 179 g 181.5 g Xiaomi MI 9 Lite is lighter than Xiaomi MI 9 Lite.
Body Colour Aurora blue Alpha grey
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 1.4 W/kg (body), 1.42 W/kg (head), 3.18 W/kg (limb) 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb)
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
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 9 Lite Vivo X51 5G
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Screen Size (Display Size) 6.39" 6.56" Vivo X51 5G has larger screen size than Xiaomi MI 9 Lite.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2376 x 1080 pixels Vivo X51 5G has better screen resolution than Xiaomi MI 9 Lite.
Display Format Full HD+ -
Pixel Density 403 ppi 398 ppi Xiaomi MI 9 Lite has better pixel density than Vivo X51 5G.
Aspect Ratio 19.5:9 19.8:9
Max Brightness 600 cd/m² 500 cd/m² Xiaomi MI 9 Lite has better display brightness than Vivo X51 5G.
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 -
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Xiaomi MI 9 Lite Vivo X51 5G
Processor Type (CPU) Qualcomm Snapdragon 710 Qualcomm Snapdragon 765G
Clock Speed 2.2 GHz 2.4 GHz Vivo X51 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 Vivo X51 5G
RAM LPDDR4X SDRAM - 6 GB 8 GB Vivo X51 5G has more RAM than Xiaomi MI 9 Lite.
Internal Memory Size (Storage Capacity) 128 GB 256 GB Vivo X51 5G has more internal memory than Xiaomi MI 9 Lite.
CAMERA Xiaomi MI 9 Lite Vivo X51 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/1.6 Vivo X51 5G 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 Yes
Optical Zoom 2x -
Digital Zoom 10x -
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, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode
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 -
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 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 13 Megapixel Vivo X51 5G has better second camera resolution than Xiaomi MI 9 Lite.
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) - F/2.46
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 8 Megapixel Vivo X51 5G has higher resolution third camera than Xiaomi MI 9 Lite.
Lens Type (3rd Camera) - Wide-angle lens
Lens Aperture (3rd Camera) - F/2.2
Camera Functions (3rd Camera) Depth camera -
FOURTH CAMERA
Sensor Resolution (4th Camera) - 8 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/3.4
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/2.45 Xiaomi MI 9 Lite has better front lens aperture than Xiaomi MI 9 Lite.
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 Live Photos, Portrait
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 2 x digital zoom
BATTERY AND CHARGING Xiaomi MI 9 Lite Vivo X51 5G
Battery Capacity (Battery Size) 4030 mAh 4315 mAh Vivo X51 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.
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 9 Lite Vivo X51 5G
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS)
Mobile Broadband Generation 4G 5G Vivo X51 5G has more advanced generation mobile network.
Operating System Android 9.0 Pie Funtouch OS 10 (based on Android 10)
User Interface MIUI 10 -
Payment Technology Google Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI 9 Lite Vivo X51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE 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, 800 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66
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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n7, n8, n28, n38, n41, n77, n78
5G NR Frequency - FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Lite Vivo X51 5G
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 MKV, AVI, 3GP, TS, MP4
Sound Enhancements Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus -
Audio Amplifier - AK4377A
FEATURES Xiaomi MI 9 Lite Vivo X51 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, digital compass
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 -
OTHERS Xiaomi MI 9 Lite Vivo X51 5G
Included Accessories Power adapter, SIM card removal tool, USB-C cable, soft case Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film
Compliant Standards VDE IP53
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