Side by side comparison and review of LG K51S and OPPO Find X3 PRO. 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 | OPPO Find X3 PRO |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | CPH2173 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 163.6 mm | LG K51S has greater height than OPPO Find X3 PRO. |
| Width | 76.7 mm | 74 mm | LG K51S has greater width than OPPO Find X3 PRO. |
| Depth | 8.26 mm | 8.26 mm | Both phones are the same depth. |
| Weight | 194 g | 193 g | OPPO Find X3 PRO is lighter than LG K51S. |
| Body Colour | Pink | Titan | Gloss black | |
| Body Material | - | Aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | OPPO Find X3 PRO is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) | |
| 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K51S | OPPO Find X3 PRO |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED (LTPO) | |
| Screen Size (Display Size) | 6.55" | 6.7" | OPPO Find X3 PRO has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 3216 x 1440 pixels | OPPO Find X3 PRO has better screen resolution than LG K51S. |
| Display Format | HD+ | QHD+ | |
| Pixel Density | 268 ppi | 525 ppi | OPPO Find X3 PRO has better pixel density than LG K51S. |
| Aspect Ratio | 20:9 | 20.1:9 | |
| Max Brightness | 400 cd/m² | 1200 cd/m² | OPPO Find X3 PRO has better display brightness than LG K51S. |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | - | 5000000:1 | |
| HDR | - | Yes | OPPO Find X3 PRO has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | SDR-to-HDR colour enhancement, resolution enhancer | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | Night mode, AOD(Always On Display), Dark mode, O1 Ultra Vision Engine, DisplayMate A+, 240Hz sampling rate, 12000000:1 (max HDR) contrast ratio, O-Sync Display Hyper Response Engine, 8192-Level Natural Brightness | |
| Display Protection (Screen Protector) | Tempered glass | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | LG K51S | OPPO Find X3 PRO |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.84 GHz | OPPO Find X3 PRO has higher clock speed than LG K51S. |
| 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 660 |
| MEMORY | LG K51S | OPPO Find X3 PRO |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 12 GB | OPPO Find X3 PRO has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | OPPO Find X3 PRO has more internal memory than LG K51S. |
| User Memory | 50.2 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | LG K51S | OPPO Find X3 PRO |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better camera resolution than LG K51S. |
| Sensor Size | - | 1/1.56" | |
| Sensor Name | - | Sony Exmor RS IMX766 sensor | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 76.3 degree(s) | - | |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X3 PRO has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | 24 mm | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | HDR, Live HDR, Bokeh effect, Stickers | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Burst mode, Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, portrait mode, AI Beauty, Text, Cinema mode, Filter mode, Macro mode, Dual-View Video, Ultra Night Video, AI Highlight Video, passport photo, RAW+ mode, Colour Vision Enhancement | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | - | 4096 x 3072, 4096 x 2304, 3072 x 3072, 8192 x 6144, 4096 x 1834 | |
| 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, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | Electronic Image Stabiliser (EIS), 3D audio recording, omnidirectional autofocus, 2x2 On-Chip Lens (OCL), (DOL-HDR) Digital Overlap High Dynamic Range, 10-bit 4K HDR video, LOG video (Rec. 2020) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better second camera resolution than LG K51S. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.56" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX766 sensor | |
| Lens Type (2nd Camera) | Super wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | - | 7-element | |
| Field of View (2nd Camera) | 115 degree(s) | 110 degree(s) | LG K51S has larger second camera lens field of view than OPPO Find X3 PRO. |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Minimum Focal Length (2nd Camera) | 16 mm | 15 mm | |
| Camera Features (2nd Camera) | - | Electronic Image Stabiliser (EIS), omnidirectional autofocus, 2x2 On-Chip Lens (OCL), 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 13 Megapixel | OPPO Find X3 PRO has higher resolution third camera than LG K51S. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/3.4" | |
| Sensor Name (3rd Camera) | - | Samsung S5K3M5 | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Pixel Size (3rd Camera) | - | 1 μm | |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Functions (3rd Camera) | Depth camera | - | |
| Camera Features (3rd Camera) | - | Electronic Image Stabiliser (EIS) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 3 Megapixel | OPPO Find X3 PRO has higher resolution fourth camera than LG K51S. |
|---|---|---|---|
| Sensor Size (4th Camera) | - | 1/5" | |
| Lens Type (4th Camera) | - | Microlens | |
| Lens Aperture (4th Camera) | F/2.4 | F/3.0 | LG K51S has better fourth camera lens aperture than LG K51S. |
| Lens Element Qty (4th Camera) | - | 4-element | |
| Field of View (4th Camera) | 88.6 degree(s) | - | |
| Pixel Size (4th Camera) | - | 1.12 μm | |
| Minimum Focal Length (4th Camera) | - | 15 mm | |
| Camera Functions (4th Camera) | Macro camera | - | |
| Camera Features (4th Camera) | 4cm macro photography | Magnification x60 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 32 Megapixel | OPPO Find X3 PRO has better front camera resolution than LG K51S. |
| Sensor Size (Front) | - | 1/2.74" | |
| Sensor Name (Front) | - | Sony Exmor RS IMX615 sensor | |
| Lens Aperture (Front) | - | F/2.4 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 81 degree(s) | |
| Pixel Size (Front) | - | 0.8 μm | |
| Min Focal Length (Front) | - | 25 mm | |
| Special Effects (Front) | - | Stickers | |
| Camera Modes (Front) | Gesture Shot, Selfie portrait | Panorama, Time-lapse mode, night mode, Portrait | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | 17 filters | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | LG K51S | OPPO Find X3 PRO |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4500 mAh | OPPO Find X3 PRO has larger battery capacity than LG K51S. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | OPPO Find X3 PRO has fast charging technology. |
| Recharge Time (Charging Time) | - | 35 min | |
| Wireless Charging | - | Yes | OPPO Find X3 PRO can be charged wirelessly. |
| Wireless Charging Standards | - | Qi, AirVOOC | |
| Standby Time | 100 hours | 398.7 hours | OPPO Find X3 PRO has longer standby time than LG K51S. |
| Talk Time | 480 minutes | 1488 minutes | OPPO Find X3 PRO has longer battery life when making calls than LG K51S. |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Standby: up to 398.7 hrs Playback (video): up to 14.3 hrs Talk (3G): up to 1488 min Playback (audio (via speakers)): up to 36.9 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | OPPO Find X3 PRO |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X3 PRO has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | ColorOS 11.2 (based on Android 11) | |
| User Interface | LG UX 9 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | LG K51S | OPPO Find X3 PRO |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 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 6, Band 8, Band 19 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.2 | |
| 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 | OPPO Find X3 PRO |
|---|
| Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, MID, SBC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.265, MP4 | |
| Sound Enhancements | DTS: X 3D Surround Sound | Dolby Atmos sound technology, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio |
| FEATURES | LG K51S | OPPO Find X3 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, ambient light sensor, proximity sensor, pedometer, digital compass, magnetometer, gyro sensor, gravity sensor, colour temperature sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display), face recognition | |
| 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 | MIMO technology, MU-MIMO technology, Google Lens, Haptic vibration motor, dual stereo speakers, steam chamber + graphite cooling, triple noise reduction microphones |
| OTHERS | LG K51S | OPPO Find X3 PRO |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | IP68 |
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