Side by side comparison and review of LG K51S and Nokia XR21. 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 XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | TA-1486 | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 165.2 mm | 168 mm | Nokia XR21 has greater height than LG K51S. |
| Width | 76.7 mm | 78.58 mm | Nokia XR21 has greater width than LG K51S. |
| Depth | 8.26 mm | 10.45 mm | LG K51S is narrower than LG K51S. |
| Weight | 194 g | 231 g | LG K51S is lighter than LG K51S. |
| Body Colour | Pink | Titan | Midnight black | Pine green | |
| Body Material | - | Polycarbonate, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, drop-proof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Nokia XR21 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.16 W/kg (body), 1.1 W/kg (head) | |
| Integrated Components | - | 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K51S | Nokia XR21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 6.55" | 6.49" | LG K51S has larger screen size than Nokia XR21. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Nokia XR21 has better screen resolution than LG K51S. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 268 ppi | - | |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 400 cd/m² | 550 cd/m² | Nokia XR21 has better display brightness than LG K51S. |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | Tempered glass | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | LG K51S | Nokia XR21 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | MT6765 | SM6375 | |
| Clock Speed | 2.3 GHz | 2.2 GHz | LG K51S has higher clock speed than Nokia XR21. |
| 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 619 |
| MEMORY | LG K51S | Nokia XR21 |
|---|
| RAM | 3 GB | 6 GB | Nokia XR21 has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Nokia XR21 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 XR21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 64 Megapixel | Nokia XR21 has better camera resolution than LG K51S. |
| Lens Aperture | F/1.8 | - | |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Focus Adjustment | Automatic | 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 | AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | Dual 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 | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Nokia XR21 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 | - | |
| Field of View (2nd Camera) | 115 degree(s) | - | |
| Minimum Focal Length (2nd Camera) | 16 mm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth 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 | 16 Megapixel | Nokia XR21 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 XR21 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than LG K51S. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 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 |
Mixed usage: up to 48 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | Nokia XR21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Nokia XR21 has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Android 12 | |
| User Interface | LG UX 9 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | LG K51S | Nokia XR21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | LTE, 5G NR | |
|---|---|---|---|
| 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 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66, Band 71 | |
| 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 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.1 | |
| 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. |
| Modem | - | Snapdragon X51 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | Nokia XR21 |
|---|
| 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 Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode |
| FEATURES | LG K51S | Nokia XR21 |
|---|
| 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, barometer, 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 | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function |
| OTHERS | LG K51S | Nokia XR21 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | IP68, IP69K, MIL-STD-810H | |
| Product Recycled Content | - | 100 % - aluminium inner chassis | |
| Max Height of Shock Resistance | - | 1.8 m |
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