In depth comparison and review of LG K51S and TCL 20SE. 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 | LG K51S | TCL 20SE |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | T671H | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 172.08 mm | TCL 20SE has greater height than LG K51S. |
| Width | 76.7 mm | 77.14 mm | TCL 20SE has greater width than LG K51S. |
| Depth | 8.26 mm | 9.1 mm | LG K51S is narrower than LG K51S. |
| Weight | 194 g | 206 g | LG K51S is lighter than LG K51S. |
| Body Colour | Pink | Titan | Nuit black | Aurora green | |
| Body Material | - | Polycarbonate, polymethyl methacrylate (PMMA) | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.43 W/kg (body), 0.81 W/kg (head), 3.12 W/kg (limb) | |
| Integrated Components | - | FM radio, LED flashlight | |
| 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | LG K51S | TCL 20SE |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 6.55" | 6.82" | TCL 20SE has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1640 x 720 pixels | TCL 20SE has better screen resolution than LG K51S. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 268 ppi | 263 ppi | LG K51S has better pixel density than TCL 20SE. |
| Aspect Ratio | 20:9 | 20.5:9 | |
| Max Brightness | 400 cd/m² | 450 cd/m² | TCL 20SE has better display brightness than LG K51S. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Eye comfort mode, SDR-to-HDR colour enhancement | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | 2.5D Glass, Sunlight Display, Reading mode, Dark mode, CinemaVision display, V-notch display, TCL NXTVISION | |
| Display Protection (Screen Protector) | Tempered glass | Fingerprint-resistant coating |
| PROCESSOR | LG K51S | TCL 20SE |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 460 | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 1.8 GHz | LG K51S has higher clock speed than TCL 20SE. |
| 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 | TCL 20SE |
|---|
| RAM | 3 GB | LPDDR3 SDRAM - 4 GB | TCL 20SE has more RAM than LG K51S. |
|---|---|---|---|
| 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 | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | LG K51S | TCL 20SE |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 16 Megapixel | LG K51S has better camera resolution than TCL 20SE. |
| Sensor Size | - | 1/2.77" | |
| 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) | 77 degree(s) | TCL 20SE has larger lens field of view than LG K51S. |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Digital Zoom | 8x | 4x | LG K51S has better digital zoom than TCL 20SE. |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | HDR, Bokeh effect | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Panorama, Slow motion mode, Pro mode, night mode, super resolution mode, portrait mode, Filter mode, low-light video, Light Trace Mode, Stop-Motion Video Mode, Super Macro Mode, AI colour portrait video, AI Sky Enhancement | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | Single tone dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | Snapshot in video recording, AI Quad camera, Audio zoom, scene detection 2.0 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Super wide-angle lens | Super 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) | - | 4-element | |
| Field of View (2nd Camera) | 115 degree(s) | 115 degree(s) | Both phones have the same second camera lens field of view. |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Camera Features (2nd Camera) | - | 4-piece lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| 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) | 83 degree(s) | LG K51S has larger third camera lens field of view than TCL 20SE. |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Depth camera | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same resolution of the fourth camera. |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Aperture (4th Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Lens Element Qty (4th Camera) | - | 3-element | |
| Field of View (4th Camera) | 88.6 degree(s) | 83 degree(s) | LG K51S has larger field of view for the fourth camera lens than TCL 20SE. |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | Macro camera | Macro camera | |
| Camera Features (4th Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 8 Megapixel | LG K51S has better front camera resolution than TCL 20SE. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 4-element | |
| Field of View (Front) | - | 80.6 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR, Face Beautification | |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | Portrait mode | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
| Light Source (Front) | - | Display flash | |
| 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 | TCL 20SE |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | TCL 20SE has larger battery capacity than LG K51S. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 4 hours | |
| Standby Time | 100 hours | 336 hours | TCL 20SE has longer standby time than LG K51S. |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Standby: up to 336 hrs Playback (video): up to 17 hrs Playback (audio): up to 60 hrs Active online usage (4G): up to 16 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | TCL 20SE |
|---|
| 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 11 | |
| User Interface | LG UX 9 | TCL UI | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | LG K51S | TCL 20SE |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSPA+, LTE, VoLTE, VoWiFi | |
|---|---|---|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 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 802.11b/g/n | |
| 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 | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | TCL 20SE |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | - | |
| Sound Enhancements | DTS: X 3D Surround Sound | Hi-Res audio |
| FEATURES | LG K51S | TCL 20SE |
|---|
| 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, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| 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 | HD Voice, dual microphones with noise cancellation, Face Key, Google Lens, Google Assistant Button, floating window multitasking |
| OTHERS | LG K51S | TCL 20SE |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Power adapter, SIM card removal tool, USB-C cable, TPU case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | HAC (Hearing Aid Compatible) |
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