Detailed comparison and review of LG K9 and Vivo X51 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | LG K9 | Vivo X51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | V2006 | |
| Form Factor | Touch | Touch | |
| Height | 146.3 mm | 158.46 mm | Vivo X51 5G has greater height than LG K9. |
| Width | 73.2 mm | 72.8 mm | LG K9 has greater width than Vivo X51 5G. |
| Depth | 8.2 mm | 8.04 mm | Vivo X51 5G is narrower than LG K9. |
| Weight | 148 g | 181.5 g | LG K9 is lighter than LG K9. |
| Body Colour | Aurora black | Alpha grey | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | 1.43 W/kg (body), 0.763 W/kg (head) | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | LG K9 | Vivo X51 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TFT | AMOLED | |
| Screen Size (Display Size) | 5" | 6.56" | Vivo X51 5G has larger screen size than LG K9. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than LG K9. |
| Display Format | HD | - | |
| Pixel Density | - | 398 ppi | |
| Aspect Ratio | - | 19.8:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | OnCell technology | - |
| PROCESSOR | LG K9 | Vivo X51 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.3 GHz | 2.4 GHz | Vivo X51 5G has higher clock speed than LG K9. |
| Processor Core Qty | Quad-core | 8-core | Vivo X51 5G has higher processor core quantity than LG K9. |
| MEMORY | LG K9 | Vivo X51 5G |
|---|
| RAM | 2 GB | 8 GB | Vivo X51 5G has more RAM than LG K9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Vivo X51 5G has more internal memory than LG K9. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | LG K9 | Vivo X51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Vivo X51 5G has better camera resolution than LG K9. |
| Lens Aperture | - | F/1.6 | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | HDR | |
| Camera Modes | Timer mode, sport mode, low-light shots | Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1280 x 720 (720p) | - | |
| Camera Features (Functions) | - | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.46 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/3.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Vivo X51 5G has better front camera resolution than LG K9. |
| Lens Aperture (Front) | - | F/2.45 | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Live Photos, Portrait | |
| Camera Features (Front) | - | 2 x digital zoom |
| BATTERY AND CHARGING | LG K9 | Vivo X51 5G |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than LG K9. |
|---|---|---|---|
| Battery Technology | Lithium Ion | - |
| CELLULAR | LG K9 | Vivo X51 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Vivo X51 5G has more advanced generation mobile network. |
| Operating System | Android 7.1.2 (Nougat) | Funtouch OS 10 (based on Android 10) | |
| Navigation | GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | LG K9 | Vivo X51 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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, 800 CDMA2000 1X | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | - | 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | - | 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, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n28, n38, n41, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| NFC | - | Yes | Vivo X51 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | LG K9 | Vivo X51 5G |
|---|
| Supported Digital Audio Standards | - | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, AVI, 3GP, TS, MP4 | |
| Audio Amplifier | - | AK4377A |
| FEATURES | LG K9 | Vivo X51 5G |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | KnockON, Knock Code function, Smart Keyboard, Easy Home mode, QuickMemo+ function, Smart Lock, Shortcut Keys | - |
| OTHERS | LG K9 | Vivo X51 5G |
|---|
| Included Accessories | USB cable, power adapter | Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | IP53 |
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