Detailed comparison and review of LG K51S and Xiaomi Redmi Note 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 165.66 mm | Xiaomi Redmi Note 12 has greater height than LG K51S. |
| Width | 76.7 mm | 75.96 mm | LG K51S has greater width than Xiaomi Redmi Note 12. |
| Depth | 8.26 mm | 7.85 mm | Xiaomi Redmi Note 12 is narrower than LG K51S. |
| Weight | 194 g | 183.5 g | Xiaomi Redmi Note 12 is lighter than LG K51S. |
| Body Colour | Pink | Titan | Ice blue | Onyx grey | Mint green | |
| Protection | - | Dustproof, splashproof | |
| Waterproof (Water-resistant) | - | - | Xiaomi Redmi Note 12 is waterproof. |
| IP rating | - | IP53 | |
| Repairability Index | - | 7.5 (out of 10) | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 2.55 W/kg (limb), 0.9 W/kg (head), 0.995 W/kg (body) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 6.55" | 6.67" | Xiaomi Redmi Note 12 has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 12 has better screen resolution than LG K51S. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 268 ppi | 395 ppi | Xiaomi Redmi Note 12 has better pixel density than LG K51S. |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 400 cd/m² | 1200 cd/m² | Xiaomi Redmi Note 12 has better display brightness than LG K51S. |
| Contrast Ratio | - | 4500000:1 | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | Sunlight Display, Reading mode, DCI-P3 Wide colour gamut, DotDisplay, E2 Pro | |
| Display Protection (Screen Protector) | Tempered glass | - |
| PROCESSOR | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 685 | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.8 GHz | Xiaomi Redmi Note 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 610 |
| MEMORY | LG K51S | Xiaomi Redmi Note 12 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | Xiaomi Redmi Note 12 has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Xiaomi Redmi Note 12 has more internal memory than LG K51S. |
| User Memory | 50.2 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | LG K51S | Xiaomi Redmi Note 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 50 Megapixel | Xiaomi Redmi Note 12 has better camera resolution than LG K51S. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | - | Samsung ISOCELL JN1 | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Pixel Size | - | 0.64 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | Bokeh effect | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Portrait 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, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | 4-in-1 to 1.28μm pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi Redmi Note 12 has better second camera resolution than LG K51S. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Sensor Name (2nd Camera) | - | Omnivision OV08D sensor | |
| Lens Type (2nd Camera) | Super wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 115 degree(s) | 120 degree(s) | Xiaomi Redmi Note 12 has larger second camera lens field of view than LG K51S. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 16 mm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth camera | Macro camera |
| 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 | 13 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/3.0" | |
| Lens Aperture (Front) | - | F/2.45 | |
| Lens Element Qty (Front) | - | 5-element | |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | - | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Xiaomi Redmi Note 12 has larger battery capacity than LG K51S. |
|---|---|---|---|
| Fast Charging Technology | - | Mi-FC fast charging technology | Xiaomi Redmi Note 12 has fast charging technology. |
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | 1860 minutes | Xiaomi Redmi Note 12 has longer battery life when making calls than LG K51S. |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Talk: up to 1860 min Gaming: up to 9 hrs Playback (video): up to 21 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 13 | |
| User Interface | LG UX 9 | MIUI 14 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, GLONASS, Galileo |
| COMMUNICATIONS | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | - | |
| NFC | Yes | - | LG K51S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | Xiaomi Redmi Note 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 | - |
| FEATURES | LG K51S | Xiaomi Redmi Note 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, gyroscope | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| 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 | Graphite cooling, IR blaster, coin vibration motor |
| OTHERS | LG K51S | Xiaomi Redmi Note 12 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | 33W charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | IP53, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification, Netflix HD Certification |
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