Side by side comparison and review of LG K51S and OPPO A77 5G. 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 A77 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LM-K510EMW | CPH2339 | |
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 163.8 mm | LG K51S has greater height than OPPO A77 5G. |
| Width | 76.7 mm | 75.1 mm | LG K51S has greater width than OPPO A77 5G. |
| Depth | 8.26 mm | 7.99 mm | OPPO A77 5G is narrower than LG K51S. |
| Weight | 194 g | 190 g | OPPO A77 5G is lighter than LG K51S. |
| Body Colour | Pink | Titan | Midnight black | Ocean blue | |
| Protection | - | Waterproof, splash-resistant | |
| Waterproof (Water-resistant) | - | Yes | OPPO A77 5G is waterproof. |
| IP rating | - | IPX4 | |
| SAR Value | 1.335 W/kg (body), 0.501 W/kg (head) | 1.256 W/kg (body), 0.986 W/kg (head), 2.683 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Micro SIM + nano SIM/microSD |
| DISPLAY | LG K51S | OPPO A77 5G |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 6.55" | 6.56" | OPPO A77 5G has larger screen size than LG K51S. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1612 x 720 pixels | OPPO A77 5G has better screen resolution than LG K51S. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 268 ppi | 269 ppi | OPPO A77 5G has better pixel density than LG K51S. |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 400 cd/m² | 600 cd/m² | OPPO A77 5G has better display brightness than LG K51S. |
| Colour Depth | - | 16.7 million colours | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 90 Hz | |
| Display Features | Reading mode, FullVision display, night mode, hole in display | 100% DCI-P3, 96% NTSC, 100% sRGB, High brightness mode, Vivid mode | |
| Display Protection (Screen Protector) | Tempered glass | Panda Glass MN228 |
| PROCESSOR | LG K51S | OPPO A77 5G |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Dimensity 810 | |
|---|---|---|---|
| Processor Number | MT6765 | - | |
| Clock Speed | 2.3 GHz | 2.4 GHz | OPPO A77 5G 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 | Mali-G57 MC2 |
| MEMORY | LG K51S | OPPO A77 5G |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB + up to 3 GB virtual extension | OPPO A77 5G has more RAM than LG K51S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| User Memory | 50.2 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | LG K51S | OPPO A77 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 32 Megapixel | 48 Megapixel | OPPO A77 5G has better camera resolution than LG K51S. |
| Sensor Size | - | 1/1.2" | |
| Sensor Name | - | Samsung S5KGM1ST | |
| Lens Aperture | F/1.8 | F/1.7 | OPPO A77 5G has better lens aperture than LG K51S. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | 76.3 degree(s) | 80 degree(s) | OPPO A77 5G has larger lens field of view than LG K51S. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 24 mm | - | |
| Focal Length Equivalent to 35mm Camera | - | 25mm | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR | Stickers | |
| Camera Modes | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Macro mode, Extra HD, Text scanner | |
| Face Recognition (Face ID) | Face detection | - | LG K51S has face detection. |
| White Balance | Automatic | - | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology | Google Lens |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | LG K51S has better second camera resolution than OPPO A77 5G. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Type (2nd Camera) | Super wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | LG K51S has better second camera lens aperture than LG K51S. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | 115 degree(s) | 89 degree(s) | LG K51S has larger second camera lens field of view than OPPO A77 5G. |
| Pixel Size (2nd Camera) | - | 1.75 μm | |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Focal Length Equivalent to 35mm Camera | - | 20mm | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | 88.9 degree(s) | - | |
| Camera Functions (3rd Camera) | Depth camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| 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) | 13 Megapixel | 8 Megapixel | LG K51S has better front camera resolution than OPPO A77 5G. |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Name (Front) | - | Sony IMX355 sensor | |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Focal Length Equivalent to 35mm Camera | - | 26mm | |
| 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. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | 17 filters | - |
| BATTERY AND CHARGING | LG K51S | OPPO A77 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | OPPO A77 5G has larger battery capacity than LG K51S. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC Flash Charge technology | OPPO A77 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 69 min | |
| Standby Time | 100 hours | 344 hours | OPPO A77 5G has longer standby time than LG K51S. |
| Talk Time | 480 minutes | - | |
| Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
Standby (Ultra Power Saving Mode): up to 344 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K51S | OPPO A77 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO A77 5G has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | ColorOS 12.1 (based on Android 12) | |
| User Interface | LG UX 9 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | LG K51S | OPPO A77 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, 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 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 BLE | Bluetooth 5.3 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. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K51S | OPPO A77 5G |
|---|
| 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), apt-X, LDAC, IMY, ALAC, OPUS, MID, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, M4V, TS, M2TS, WebM, H.265, MP4 | |
| Sound Enhancements | DTS: X 3D Surround Sound | - |
| FEATURES | LG K51S | OPPO A77 5G |
|---|
| Phone Functions | 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, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| 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 | Fast Charging, Super power saving mode, OTG Reverse Charge, 3 years of Security Updates, 2 years of OS upgrades, ultra linear stereo speakers, Ultra volume mode |
| OTHERS | LG K51S | OPPO A77 5G |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | Protective cover, USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | IPX4 |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
