In depth comparison and review of LG K51S and Realme 8 Pro. 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 | Realme 8 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | RMX3081 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 160.6 mm | LG K51S has greater height than Realme 8 Pro. |
| Width | 76.7 mm | 73.9 mm | LG K51S has greater width than Realme 8 Pro. |
| Depth | 8.26 mm | 8.1 mm | Realme 8 Pro is narrower than LG K51S. |
| Weight | 194 g | 176 g | Realme 8 Pro is lighter than LG K51S. |
| Body Colour | Pink | Titan | Punk black | Infinite blue | Infinite black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 0.91 W/kg (head), 2.788 W/kg (limb), 1.107 W/kg (body) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K51S | Realme 8 Pro |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Super AMOLED | |
| Screen Size (Display Size) | 6.55" | 6.4" | LG K51S has larger screen size than Realme 8 Pro. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Realme 8 Pro has better screen resolution than LG K51S. |
| Display Format | HD+ | Full HD+ | |
| Pixel Density | 268 ppi | 409 ppi | Realme 8 Pro has better pixel density than LG K51S. |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 400 cd/m² | 1000 cd/m² | Realme 8 Pro has better display brightness than LG K51S. |
| Display Features | Reading mode, FullVision display, night mode, hole in display | 180Hz sampling rate | |
| Display Protection (Screen Protector) | Tempered glass | - |
| PROCESSOR | LG K51S | Realme 8 Pro |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 720G | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.3 GHz | Both phones have the same clock speed. |
| 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 618 |
| MEMORY | LG K51S | Realme 8 Pro |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 8 GB | Realme 8 Pro has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Realme 8 Pro has more internal memory than LG K51S. |
| User Memory | 50.2 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | LG K51S | Realme 8 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 108 Megapixel | Realme 8 Pro has better camera resolution than LG K51S. |
| Sensor Size | - | 1/1.52" | |
| Sensor Name | - | Samsung ISOCELL HM2 | |
| Lens Aperture | F/1.8 | F/1.88 | LG K51S has better lens aperture than LG K51S. |
| Lens Construction | - | 6-element | |
| 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 | HDR, dynamic bokeh effect, Neon Portrait | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Expert Mode, portrait mode, Filter mode, Super nightscape, AI colour portrait video, Dual video mode, Panorama View, 108MP mode, Tilt-shift mode, Constellation Mode, Constellation Time Lapse Video | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 12000 x 9000 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 480 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | Scene recognition, Phase Detect Auto-Focus (PDAF), Text scanner, AI Beautify, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation, 9-in-1 pixel binning, Smart ISO |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Realme 8 Pro 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 | F/2.25 | LG K51S has better second camera lens aperture than LG K51S. |
| Lens Element Qty (2nd Camera) | - | 5-element | |
| Field of View (2nd Camera) | 115 degree(s) | 119 degree(s) | Realme 8 Pro has larger second camera lens field of view than LG K51S. |
| 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 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth camera | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm focal distance |
| 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 | F/2.4 | Both phones have the same lens aperture of the fourth camera. |
| Field of View (4th Camera) | 88.6 degree(s) | - | |
| Camera Functions (4th Camera) | Macro camera | B&W lens | |
| Camera Features (4th Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | Realme 8 Pro has better front camera resolution than LG K51S. |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | - | F/2.45 | |
| Lens Element Qty (Front) | - | 5-element | |
| Special Effects (Front) | - | HDR, Bokeh effect | |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | Portrait mode, AI Beauty, Filter mode, Super nightscape, Panorama View | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | Realme 8 Pro |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | Realme 8 Pro has larger battery capacity than LG K51S. |
|---|---|---|---|
| Fast Charging Technology | - | SuperDart Charge | Realme 8 Pro has fast charging technology. |
| Recharge Time (Charging Time) | - | 47 min | |
| Standby Time | 100 hours | - | |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | Realme 8 Pro |
|---|
| 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 | Realme UI 2.0 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | LG K51S | Realme 8 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 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 802.11a/b/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 | Realme 8 Pro |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | AAC, apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | - | |
| Sound Enhancements | DTS: X 3D Surround Sound | - |
| FEATURES | LG K51S | Realme 8 Pro |
|---|
| 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, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| 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, Qualcomm 5th generation AI Engine |
| OTHERS | LG K51S | Realme 8 Pro |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | SIM card removal tool, USB-C cable, protective case, protective film, 65W SuperDart Charger | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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