LG K51S vs. Xiaomi 12

Phone Comparison, Reviews and Tests

Side by side comparison and review of LG K51S and Xiaomi 12. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

LG K51S vs. Xiaomi 12 Comparison Chart
DESIGN AND DIMENSIONS LG K51S Xiaomi 12
Product Type Smartphone Smartphone
Manufacturer Model Number LM-K510EMW -
Form Factor Touch Touch
Height 165.2 mm 152.7 mm LG K51S has greater height than Xiaomi 12.
Width 76.7 mm 69.9 mm LG K51S has greater width than Xiaomi 12.
Depth 8.26 mm 8.16 mm Xiaomi 12 is narrower than LG K51S.
Weight 194 g 180 g Xiaomi 12 is lighter than LG K51S.
Body Colour Pink | Titan Grey
Waterproof (Water-resistant) - -
SAR Value 1.335 W/kg (body), 0.501 W/kg (head) 0.596 W/kg (head), 0.998 W/kg (body), 1.972 W/kg (limb)
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY LG K51S Xiaomi 12
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 6.55" 6.28" LG K51S has larger screen size than Xiaomi 12.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels Xiaomi 12 has better screen resolution than LG K51S.
Display Format HD+ Full HD+
Pixel Density 268 ppi 419 ppi Xiaomi 12 has better pixel density than LG K51S.
Aspect Ratio 20:9 20:9
Max Brightness 400 cd/m² 1100 cd/m² Xiaomi 12 has better display brightness than LG K51S.
Colour Depth - 68 billion colours
Contrast Ratio - 5000000:1
HDR - Yes Xiaomi 12 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Dolby Vision, Sunlight mode, AdaptiveSync technology
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 480 Hz
Display Features Reading mode, FullVision display, night mode, hole in display Reading mode, DCI-P3 Wide colour gamut, Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment
Display Protection (Screen Protector) Tempered glass Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR LG K51S Xiaomi 12
Processor Type (CPU) MediaTek Qualcomm Snapdragon 8 Gen 1
Processor Number MT6765 -
Clock Speed 2.3 GHz 3 GHz Xiaomi 12 has higher clock speed than LG K51S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - LG K51S has 64-bit architecture.
Graphics System (GPU) IMG PowerVR GE8320 Qualcomm ADRENO
MEMORY LG K51S Xiaomi 12
RAM 3 GB LPDDR5 SDRAM - 8 GB Xiaomi 12 has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 64 GB 256 GB Xiaomi 12 has more internal memory than LG K51S.
User Memory 50.2 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA LG K51S Xiaomi 12
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 32 Megapixel 50 Megapixel Xiaomi 12 has better camera resolution than LG K51S.
Sensor Size - 1/1.56"
Sensor Name - Sony IMX766 sensor
Lens Type - Wide-angle lens
Lens Aperture F/1.8 F/1.88 LG K51S has better lens aperture than LG K51S.
Lens Construction - 6-element
Field of View (FoV) 76.3 degree(s) -
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Xiaomi 12 has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 24 mm -
Digital Zoom 8x -
Self-Timer Delay Yes -
Special Effects HDR Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails
Camera Modes Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape Night mode, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Dual video mode, Ultra Night Video, Pro Time-lapse, 50MP mode
Face Recognition (Face ID) Face detection - LG K51S has face detection.
White Balance Automatic -
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 13 Megapixel Xiaomi 12 has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Super wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.4 LG K51S has better second camera lens aperture than LG K51S.
Field of View (2nd Camera) 115 degree(s) 123 degree(s) Xiaomi 12 has larger second camera lens field of view than LG K51S.
Minimum Focal Length (2nd Camera) 16 mm -
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 5 Megapixel Xiaomi 12 has higher resolution third camera than LG K51S.
Lens Type (3rd Camera) - Tele-macro 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) -
Focal Length Equivalent to 35mm Camera - 50mm
Camera Functions (3rd Camera) Depth camera -
Camera Features (3rd Camera) - AF (3cm-7cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
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
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 32 Megapixel Xiaomi 12 has better front camera resolution than LG K51S.
Lens Aperture (Front) - F/2.45
Special Effects (Front) - HDR
Camera Modes (Front) Gesture Shot, Selfie portrait Panoramic selfies, AI Beautify, Timed burst, Selfie Night mode, Capture Dual, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video
Face Recognition (Face ID) Face detection - LG K51S has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Front) 17 filters 4-in-1 to 1.4μm Super Pixel, Video HDR
BATTERY AND CHARGING LG K51S Xiaomi 12
Battery Capacity (Battery Size) 4000 mAh 4500 mAh Xiaomi 12 has larger battery capacity than LG K51S.
Recharge Time (Charging Time) - 39 min
Wireless Charging - Yes Xiaomi 12 can be charged wirelessly.
Standby Time 100 hours -
Talk Time 480 minutes -
Run Time Details Talk: up to 480 min
Standby: up to 100 hrs
-
Battery Technology Lithium Ion -
CELLULAR LG K51S Xiaomi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi 12 has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 12
User Interface LG UX 9 MIUI 13
Intelligent Assistant Google Assistant -
Payment Technology - Google Pay
Navigation GPS GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC
COMMUNICATIONS LG K51S Xiaomi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency - 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 BLE Bluetooth 5.2
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 -
MEDIA LG K51S Xiaomi 12
Supported Digital Audio Standards WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis -
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 -
Sound Enhancements DTS: X 3D Surround Sound Harman Kardon Sound technology, Dolby Atmos sound technology
FEATURES LG K51S Xiaomi 12
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass Accelerometer, ambient light sensor, proximity sensor, digital compass, flicker sensor, gyroscope, 360° ambient light sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Security Technology - AI face unlock
Additional Phone Features DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button MIMO technology, linear motor, VC Liquid Cooling, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, Xiaomi AdaptiveCharge
OTHERS LG K51S Xiaomi 12
Included Accessories Power adapter, SIM card removal tool, USB-C cable SIM card removal tool, USB-C cable, protective case, 67W charger
Compliant Standards MIL-STD 810G SGS Low Blue Light Certification
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