Side by side comparison and review of LG K4 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 K4 | Nokia XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | M160 (2017) | TA-1486 | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 144.7 mm | 168 mm | Nokia XR21 has greater height than LG K4. |
| Width | 72.6 mm | 78.58 mm | Nokia XR21 has greater width than LG K4. |
| Depth | 7.9 mm | 10.45 mm | LG K4 is narrower than LG K4. |
| Weight | 138 g | 231 g | LG K4 is lighter than LG K4. |
| Body Colour | Black | 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 | 1.27 W/kg (body), 0.556 W/kg (head) | 1.16 W/kg (body), 1.1 W/kg (head) | |
| Integrated Components | FM radio | LED flashlight | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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 | Single-SIM | Dual-SIM |
| DISPLAY | LG K4 | Nokia XR21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5" | 6.49" | Nokia XR21 has larger screen size than LG K4. |
| Screen Resolution (Display Resolution) | 480 x 854 pixels | 2400 x 1080 pixels | Nokia XR21 has better screen resolution than LG K4. |
| Display Format | - | Full HD+ | |
| Pixel Density | 195 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 350 cd/m² | 550 cd/m² | Nokia XR21 has better display brightness than LG K4. |
| Colour Depth | 16.7 million colours | - | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | - | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | LG K4 | Nokia XR21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | - | SM6375 | |
| Clock Speed | 1.1 GHz | 2.2 GHz | Nokia XR21 has higher clock speed than LG K4. |
| Processor Core Qty | Quad-core | 8-core | Nokia XR21 has higher processor core quantity than LG K4. |
| Graphics System (GPU) | Qualcomm ADRENO 304 | Qualcomm ADRENO 619 |
| MEMORY | LG K4 | Nokia XR21 |
|---|
| RAM | 1 GB | 6 GB | Nokia XR21 has more RAM than LG K4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 128 GB | Nokia XR21 has more internal memory than LG K4. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | LG K4 | Nokia XR21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 5 Megapixel | 64 Megapixel | Nokia XR21 has better camera resolution than LG K4. |
| Lens Aperture | F/2.6 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | - | |
| Camera Modes | Timer mode, Cheese Shot | AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode | |
| Face Recognition (Face ID) | Face recognition | - | LG K4 has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Pause & Resume Recording, geotagging | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Nokia XR21 has better front camera resolution than LG K4. |
| Lens Aperture (Front) | F/2.7 | - | |
| Camera Modes (Front) | Gesture Shot | - | |
| Face Recognition (Face ID) | Face recognition | - | LG K4 has face detection. |
| Video Resolutions (Front) | 1280 x 720 (720p) | - |
| BATTERY AND CHARGING | LG K4 | Nokia XR21 |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than LG K4. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 has fast charging technology. |
| Standby Time | 100 hours | - | |
| Talk Time | 240 minutes | - | |
| Run Time Details | Talk: up to 240 min Standby: up to 100 hrs |
Mixed usage: up to 48 hrs |
| CELLULAR | LG K4 | 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 6.0.1 (Marshmallow) | Android 12 | |
| User Interface | LG UX 5.0 | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | LG K4 | Nokia XR21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 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 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 802.11b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.1 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, SPP, GAP, GOEP, A2DP, AVRCP, HID, SAP, AVCTP, AVDTP, GAVDP, PBAP, MAP, RFCOMM, DID, SDP, OBEX, HOGP | - | |
| NFC | - | Yes | Nokia XR21 has NFC reader for mobile payments. |
| Modem | - | Snapdragon X51 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K4 | Nokia XR21 |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC +, eAAC+, MIDI, ALAC, OPUS | - | |
|---|---|---|---|
| Supported Digital Video Standards | AVC, M-JPEG, XviD, MPEG-4, H.264, H.263, HEVC, VP8, VP9, Theora | - | |
| Sound Enhancements | - | OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode |
| FEATURES | LG K4 | Nokia XR21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, motion sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Radio Data Service (RDS), QuickMemo function, KnockON, Capture Plus function, Knock Code function, Alarm Clock, Easy Home Clip Tray, Screen zooming | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function |
| OTHERS | LG K4 | Nokia XR21 |
|---|
| Included Accessories | USB cable, power adapter | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | IP68, IP69K, MIL-STD-810H | |
| Product Recycled Content | - | 100 % - aluminium inner chassis | |
| Max Height of Shock Resistance | - | 1.8 m |
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