OnePlus 8 Pro vs. LG K51S

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 8 Pro and LG K51S. 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.

Phone Specifications Comparison

OnePlus 8 Pro vs. LG K51S Comparison Chart
DESIGN AND DIMENSIONS OnePlus 8 Pro LG K51S
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-K510EMW
Form Factor Touch Touch
Height 165.3 mm 165.2 mm OnePlus 8 Pro has greater height than LG K51S.
Width 74.3 mm 76.7 mm LG K51S has greater width than OnePlus 8 Pro.
Depth 8.5 mm 8.26 mm LG K51S is narrower than OnePlus 8 Pro.
Weight 199 g 194 g LG K51S is lighter than OnePlus 8 Pro.
Body Colour Onyx black Pink | Titan
Waterproof (Water-resistant) - -
SAR Value - 1.335 W/kg (body), 0.501 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OnePlus 8 Pro LG K51S
Display Type OLED display LCD display
Display Technology Fluid Amoled IPS
Screen Size (Display Size) 6.78" 6.55" OnePlus 8 Pro has larger screen size than LG K51S.
Screen Resolution (Display Resolution) 3168 x 1440 pixels 1600 x 720 pixels OnePlus 8 Pro has better screen resolution than LG K51S.
Display Format QHD+ HD+
Pixel Density 513 ppi 268 ppi OnePlus 8 Pro has better pixel density than LG K51S.
Aspect Ratio 19.8:9 20:9
Max Brightness - 400 cd/m²
HDR Yes - OnePlus 8 Pro has HDR.
HDR Technology HDR10+ -
Display Enhancement Technology MEMC technology, Motion Graphics Smoothing -
Display Refresh Rate 120 Hz -
Display Features Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, 120 Hz Fluid Display Reading mode, FullVision display, night mode, hole in display
Display Protection (Screen Protector) Corning Gorilla Glass 3D (scratch resistant glass) Tempered glass
PROCESSOR OnePlus 8 Pro LG K51S
Processor Type (CPU) Qualcomm Snapdragon 865 MediaTek
Processor Number - MT6765
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 650 IMG PowerVR GE8320
MEMORY OnePlus 8 Pro LG K51S
RAM LPDDR5 SDRAM - 8 GB 3 GB OnePlus 8 Pro has more RAM than LG K51S.
Internal Memory Size (Storage Capacity) 128 GB 64 GB OnePlus 8 Pro has more internal memory than LG K51S.
User Memory - 50.2 GB
Memory Interface UFS 3.0 -
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 2 TB
CAMERA OnePlus 8 Pro LG K51S
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 32 Megapixel OnePlus 8 Pro has better camera resolution than LG K51S.
Sensor Size 1/1.4" -
Sensor Name Sony Exmor RS IMX689 sensor -
Lens Aperture F/1.78 F/1.8 OnePlus 8 Pro has better lens aperture than OnePlus 8 Pro.
Lens Construction 7-element -
Field of View (FoV) - 76.3 degree(s)
Pixel Size 1.12 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 8 Pro has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) - 24 mm
Digital Zoom - 8x
Self-Timer Delay - Yes
Special Effects Portrait, HDR, Studio HDR
Camera Modes Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape
Face Recognition (Face ID) Face detection Face detection Both phones have face detection.
White Balance - Automatic
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, 4-in-1 Pixel technology, UltraShot engine, 3x Hybrid Zoom Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 5 Megapixel OnePlus 8 Pro has better second camera resolution than LG K51S.
Lens Type (2nd Camera) Telephoto lens Super wide-angle lens
Lens Aperture (2nd Camera) F/2.44 F/2.2 LG K51S has better second camera lens aperture than OnePlus 8 Pro.
Field of View (2nd Camera) - 115 degree(s)
Minimum Focal Length (2nd Camera) - 16 mm
Camera Features (2nd Camera) OIS (Optical Image Stabilisation) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 48 Megapixels 2 Megapixel OnePlus 8 Pro has higher resolution third camera than LG K51S.
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 OnePlus 8 Pro has better third camera lens aperture than OnePlus 8 Pro.
Field of View (3rd Camera) 120 degree(s) 88.9 degree(s) OnePlus 8 Pro has larger third camera lens field of view than LG K51S.
Camera Functions (3rd Camera) - Depth camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel 2 Megapixel OnePlus 8 Pro has higher resolution fourth camera than LG K51S.
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
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 13 Megapixel OnePlus 8 Pro has better front camera resolution than LG K51S.
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.45 -
Pixel Size (Front) 1 μm -
Focus Adjustment Focus free -
Special Effects (Front) HDR, face retouch -
Camera Modes (Front) Time-lapse mode Gesture Shot, Selfie portrait
Face Recognition (Face ID) - Face detection LG K51S has face detection.
Light Source (Front) Display flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) Electronic Image Stabiliser (EIS) 17 filters
BATTERY AND CHARGING OnePlus 8 Pro LG K51S
Battery Capacity (Battery Size) 4510 mAh 4000 mAh OnePlus 8 Pro has larger battery capacity than LG K51S.
Fast Charging Technology Warp Charge 30 technology, Warp Charge 30T technology - OnePlus 8 Pro 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
Battery Technology - Lithium Ion
CELLULAR OnePlus 8 Pro LG K51S
Technology CDMA2000 1X / GSM / WCDMA (UMTS) WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OnePlus 8 Pro has more advanced generation mobile network.
Operating System OxygenOS (based on Android 10) Android 9.0 Pie
User Interface - LG UX 9
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS
COMMUNICATIONS OnePlus 8 Pro LG K51S
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 -
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 -
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 66 Band 1, Band 3, Band 7, Band 8, Band 20, Band 38
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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
5G NR Band N1, n3, n7, n28, n78 -
5G NR Frequency FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500 -
Wireless Interface IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax IEEE 802.11a/b/g/n
Bluetooth Bluetooth 5.1 Bluetooth 5.0 BLE
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 X55 5G -
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 8 Pro LG K51S
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4 WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4
Sound Enhancements Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound DTS: X 3D Surround Sound
FEATURES OnePlus 8 Pro LG K51S
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, RGB sensor, laser sensor, flicker sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button
OTHERS OnePlus 8 Pro LG K51S
Included Accessories SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - MIL-STD 810G
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