In depth comparison and review of Xiaomi MI 9 SE and LG K51S. 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.
DESIGN AND DIMENSIONS | Xiaomi MI 9 SE | LG K51S |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | LM-K510EMW | |
Form Factor | Touch | Touch | |
Height | 147.5 mm | 165.2 mm | LG K51S has greater height than Xiaomi MI 9 SE. |
Width | 70.5 mm | 76.7 mm | LG K51S has greater width than Xiaomi MI 9 SE. |
Depth | 7.45 mm | 8.26 mm | Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE. |
Weight | 155 g | 194 g | Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE. |
Body Colour | Ocean blue | Piano black | Pink | Titan | |
Body Material | Glass | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.385 W/kg (body), 1.385 W/kg (head) | 1.335 W/kg (body), 0.501 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 |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 9 SE | LG K51S |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | IPS | |
Screen Size (Display Size) | 5.97" | 6.55" | LG K51S has larger screen size than Xiaomi MI 9 SE. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi MI 9 SE has better screen resolution than LG K51S. |
Display Format | Full HD+ | HD+ | |
Pixel Density | 432 ppi | 268 ppi | Xiaomi MI 9 SE has better pixel density than LG K51S. |
Aspect Ratio | - | 20:9 | |
Max Brightness | 600 cd/m² | 400 cd/m² | Xiaomi MI 9 SE has better display brightness than LG K51S. |
Contrast Ratio | 60000:1 | - | |
HDR | Yes | - | Xiaomi MI 9 SE has HDR. |
HDR Technology | HDR10 | - | |
Display Enhancement Technology | Sunshine mode 2.0 | - | |
Display Features | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | Reading mode, FullVision display, night mode, hole in display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating | Tempered glass |
PROCESSOR | Xiaomi MI 9 SE | LG K51S |
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Processor Type (CPU) | Qualcomm Snapdragon 712 | MediaTek | |
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Processor Number | - | MT6765 | |
Clock Speed | 2.3 GHz | 2.3 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 616 | IMG PowerVR GE8320 |
MEMORY | Xiaomi MI 9 SE | LG K51S |
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RAM | LPDDR4X SDRAM - 6 GB | 3 GB | Xiaomi MI 9 SE has more RAM than LG K51S. |
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Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
User Memory | - | 50.2 GB | |
Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 2 TB |
CAMERA | Xiaomi MI 9 SE | LG K51S |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 4 | |
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Sensor Resolution | 48 Megapixel | 32 Megapixel | Xiaomi MI 9 SE has better camera resolution than LG K51S. |
Sensor Name | Sony Exmor RS IMX586 sensor | - | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.75 | F/1.8 | Xiaomi MI 9 SE has better lens aperture than Xiaomi MI 9 SE. |
Field of View (FoV) | - | 76.3 degree(s) | |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Minimum Focal Length (Focal Distance) | - | 24 mm | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | 8x | Xiaomi MI 9 SE has better digital zoom than LG K51S. |
Self-Timer Delay | - | Yes | |
Special Effects | HDR | HDR | |
Camera Modes | Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | |
Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
White Balance | - | Automatic | |
Light Source | Dual flash | LED flash | |
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) | Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, 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, Quick motion | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 13 Megapixel | 5 Megapixel | Xiaomi MI 9 SE has better second camera resolution than LG K51S. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | Super wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | LG K51S has better second camera lens aperture than Xiaomi MI 9 SE. |
Field of View (2nd Camera) | 123 degree(s) | 115 degree(s) | Xiaomi MI 9 SE has larger second camera lens field of view than LG K51S. |
Minimum Focal Length (2nd Camera) | - | 16 mm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi MI 9 SE has higher resolution third camera than LG K51S. |
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Lens Type (3rd Camera) | Telephoto lens | - | |
Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
Field of View (3rd Camera) | - | 88.9 degree(s) | |
Pixel Size (3rd Camera) | 1 μm | - | |
Camera Functions (3rd Camera) | - | Depth camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Field of View (4th Camera) | - | 88.6 degree(s) | |
Camera Functions (4th Camera) | - | Macro camera | |
Camera Features (4th Camera) | - | 4cm macro photography |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 13 Megapixel | Xiaomi MI 9 SE has better front camera resolution than LG K51S. |
Special Effects (Front) | HDR, Magic mirror | - | |
Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Gesture Shot, Selfie portrait | |
Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
Camera Features (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | 17 filters |
BATTERY AND CHARGING | Xiaomi MI 9 SE | LG K51S |
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Battery Capacity (Battery Size) | 3070 mAh | 4000 mAh | LG K51S has larger battery capacity than Xiaomi MI 9 SE. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 9 SE has fast charging technology. |
Standby Time | - | 100 hours | |
Talk Time | - | 480 minutes | |
Run Time Details | - | Talk: up to 480 min Standby: up to 100 hrs |
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Battery Technology | - | Lithium Ion |
CELLULAR | Xiaomi MI 9 SE | LG K51S |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | - | Android 9.0 Pie | |
User Interface | MIUI 10 | LG UX 9 | |
Intelligent Assistant | Google Assistant | Google Assistant | |
Payment Technology | Google Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS |
COMMUNICATIONS | Xiaomi MI 9 SE | LG K51S |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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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 | - | |
3G UMTS Frequency | 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 3, Band 7, Band 8, Band 20, Band 38 | |
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 2600, FDD 900, FDD 800 DD, TDD 2600 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 BLE | |
Bluetooth Profiles | - | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI 9 SE | LG K51S |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
Sound Enhancements | Qualcomm TrueWireless Stereo Plus | DTS: X 3D Surround Sound |
FEATURES | Xiaomi MI 9 SE | LG K51S |
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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 | |
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Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader | |
Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button |
OTHERS | Xiaomi MI 9 SE | LG K51S |
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Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | Power adapter, SIM card removal tool, USB-C cable | |
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Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | MIL-STD 810G |