Side by side comparison and review of LG K51S and Nokia X20. 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.
| DESIGN AND DIMENSIONS | LG K51S | Nokia X20 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | - | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 168.94 mm | Nokia X20 has greater height than LG K51S. |
| Width | 76.7 mm | 79.7 mm | Nokia X20 has greater width than LG K51S. |
| Depth | 8.26 mm | 9.1 mm | LG K51S is narrower than LG K51S. |
| Weight | 194 g | 220 g | LG K51S is lighter than LG K51S. |
| Body Colour | Pink | Titan | Midnight sun | Nordic blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.29 W/kg (body), 0.51 W/kg (head) | |
| Integrated Components | - | FM radio | |
| 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 | Nokia X20 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 6.55" | 6.67" | Nokia X20 has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Nokia X20 has better screen resolution than LG K51S. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 268 ppi | - | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 400 cd/m² | - | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | Punch-hole display | |
| Display Protection (Screen Protector) | Tempered glass | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | LG K51S | Nokia X20 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 480 5G | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | LG K51S has 64-bit architecture. |
| Graphics System (GPU) | IMG PowerVR GE8320 | - |
| MEMORY | LG K51S | Nokia X20 |
|---|
| RAM | 3 GB | 6 GB | Nokia X20 has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Nokia X20 has more internal memory than LG K51S. |
| User Memory | 50.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | LG K51S | Nokia X20 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 64 Megapixel | Nokia X20 has better camera resolution than LG K51S. |
| Lens Aperture | F/1.8 | - | |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Watermark mode, Dual Sight multi-camera 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 | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | Carl Zeiss optic |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Super wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 115 degree(s) | - | |
| 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 | - | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| 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. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Field of View (4th Camera) | 88.6 degree(s) | - | |
| 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 | 32 Megapixel | Nokia X20 has better front camera resolution than LG K51S. |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | - | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | Nokia X20 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4470 mAh | Nokia X20 has larger battery capacity than LG K51S. |
|---|---|---|---|
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Mixed usage: up to 48 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | Nokia X20 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Nokia X20 has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Android 11 | |
| User Interface | LG UX 9 | - | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | LG K51S | Nokia X20 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 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 20, Band 28, Band 38, Band 39, Band 40, Band 41, 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 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n28, n38, n41, n66, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/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 | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | Nokia X20 |
|---|
| 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 | OZO Audio |
| FEATURES | LG K51S | Nokia X20 |
|---|
| 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, digital compass, distance sensor, light sensor, gyroscope | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | 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 | Face Unlock, Dual microphones, Google Assistant Button, 3 years of security and OS updates |
| OTHERS | LG K51S | Nokia X20 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Power adapter, SIM card removal tool, USB-C cable, screen protector (pre-applied), Eco Case | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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