In depth comparison and review of LG G6 and Realme C21. 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 G6 | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 148.9 mm | 165.2 mm | Realme C21 has greater height than LG G6. |
| Width | 71.9 mm | 76.4 mm | Realme C21 has greater width than LG G6. |
| Depth | 7.9 mm | 8.9 mm | LG G6 is narrower than LG G6. |
| Weight | 163 g | 190 g | LG G6 is lighter than LG G6. |
| Body Colour | Black | Ice platinum | Cross black | Cross blue | |
| Body Material | Gorilla glass 5 | - | |
| Protection | Shockproof, dustproof, splashproof, scratch-resistant, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | LG G6 is waterproof. |
| IP rating | IEC 60529 IP68 | - | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | LG G6 | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 5.7" | 6.5" | Realme C21 has larger screen size than LG G6. |
| Screen Resolution (Display Resolution) | 2880 x 1440 pixels | 1600 x 720 pixels | LG G6 has better screen resolution than Realme C21. |
| Display Format | QHD+ | HD+ | |
| Pixel Density | 564 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | LG G6 has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Dolby Vision | - | |
| Display Features | In-Cell Display Technology, Always-on display, FullVision display | Mini-drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass), Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | LG G6 | Realme C21 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 821 | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | MSM8996 Pro | - | |
| Clock Speed | 2.35 GHz | 2.3 GHz | LG G6 has higher clock speed than Realme C21. |
| Processor Core Qty | Quad-core | 8-core | Realme C21 has higher processor core quantity than LG G6. |
| 64-bit Architecture | Yes | - | LG G6 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | PowerVR GE8320 |
| MEMORY | LG G6 | Realme C21 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 3 GB | LG G6 has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | LG G6 | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/1.8 | F/2.2 | LG G6 has better lens aperture than LG G6. |
| Lens Construction | - | 5-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | LG G6 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | 4x | LG G6 has better digital zoom than Realme C21. |
| Special Effects | HDR | HDR | |
| Camera Modes | Slow motion video, Panorama, Time-lapse mode, BurstShot, manual mode, Cheese Shot, Food mode, Timer Shot, Snap video mode, Popout Mode, 360 Panorama mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Closed loop processing, geotagging, RAW image capture, camera roll view, Steady Record 2.0, Square Camera | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 2 Megapixel | LG G6 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Time-lapse mode, Gesture Shot, Share Shot function, Auto Shot, GIF animation function, Popout Mode, Square Camera | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Light Source (Front) | Flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | - |
| BATTERY AND CHARGING | LG G6 | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5000 mAh | Realme C21 has larger battery capacity than LG G6. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | LG G6 has fast charging technology. |
| Battery Technology | Lithium polymer | - |
| CELLULAR | LG G6 | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | Android 10 | |
| User Interface | LG UX 6.0 | Realme UI | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Android Pay | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | LG G6 | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | 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/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | - | LG G6 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG G6 | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, AAC +, OGG, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, M-JPEG, XviD, MPEG-4, WMV, ASF, 3GP, H.263, TS, WebM, VP8, VP9, Theora, OGM, MPEG4-ASP, MPEG4-SP, H.264 BP, H.264 MP, H.264 HP, H.265 Main, H.265 Main10 | - |
| FEATURES | LG G6 | Realme C21 |
|---|
| 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, gyro sensor, hall sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | TTY compatible, software updates FOTA (Firmware Over The Air), multitasking, HD Voice, Wi-Fi Calling, Wireless Emergency Alerts function, QuickMemo+ function, Smart Cleaning, Alarm Clock, Noise suppression by NXP Solution, Fast Charging, HD audio recorder, DriveMode, TTD compatible | Super power saving mode, HyperEngine technology, Reverse charging | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | LG G6 | Realme C21 |
|---|
| Included Accessories | Power adapter, USB-C cable | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IEC 60529 IP68, MIL-STD 810G, HAC (Hearing Aid Compatible) | TUV Rheinland | |
| Max Depth of Water Resistance | 1.5 m | - |
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