Side by side comparison and review of LG K20 and ASUS ROG Phone 3. 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 K20 | ASUS ROG Phone 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | LMX120EMW | ZS661KS | |
| Form Factor | Touch | Touch | |
| Height | 148.6 mm | 171 mm | ASUS ROG Phone 3 has greater height than LG K20. |
| Width | 71.9 mm | 78 mm | ASUS ROG Phone 3 has greater width than LG K20. |
| Depth | 8.3 mm | 9.85 mm | LG K20 is narrower than LG K20. |
| Weight | 153 g | 240 g | LG K20 is lighter than LG K20. |
| Body Colour | New Aurora Black | Black glare | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.343 W/kg (body), 0.717 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | LG K20 | ASUS ROG Phone 3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.45" | 6.59" | ASUS ROG Phone 3 has larger screen size than LG K20. |
| Screen Resolution (Display Resolution) | 960 x 480 pixels | 2340 x 1080 pixels | ASUS ROG Phone 3 has better screen resolution than LG K20. |
| Pixel Density | 197 ppi | - | |
| Aspect Ratio | 18:9 | 19.5:9 | |
| HDR | - | Yes | ASUS ROG Phone 3 has HDR. |
| Display Refresh Rate | - | 144 Hz | |
| Display Features | FullVision display | - |
| PROCESSOR | LG K20 | ASUS ROG Phone 3 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 865 | |
|---|---|---|---|
| Processor Number | - | SM8250 | |
| Clock Speed | 1.5 GHz | 2.84 GHz | ASUS ROG Phone 3 has higher clock speed than LG K20. |
| Processor Core Qty | Quad-core | 8-core | ASUS ROG Phone 3 has higher processor core quantity than LG K20. |
| 64-bit Architecture | - | Yes | ASUS ROG Phone 3 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 650 |
| MEMORY | LG K20 | ASUS ROG Phone 3 |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 8 GB | ASUS ROG Phone 3 has more RAM than LG K20. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | ASUS ROG Phone 3 has more internal memory than LG K20. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | LG K20 | ASUS ROG Phone 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 64 Megapixel | ASUS ROG Phone 3 has better camera resolution than LG K20. |
| Lens Aperture | F/2.2 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | Dual LED flash | |
| Camera Features (Functions) | Touch & Shoot | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 24 Megapixel | ASUS ROG Phone 3 has better front camera resolution than LG K20. |
| Camera Modes (Front) | Gesture Shot, Gesture Interval Shot, Auto Shot | - | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | LG K20 | ASUS ROG Phone 3 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 6000 mAh | ASUS ROG Phone 3 has larger battery capacity than LG K20. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | ASUS ROG Phone 3 has fast charging technology. |
| CELLULAR | LG K20 | ASUS ROG Phone 3 |
|---|
| Technology | WCDMA (UMTS) / GSM | TD-SCDMA / WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | ASUS ROG Phone 3 has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie (Go edition) | Android 10 | |
| User Interface | - | ROG UI | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | LG K20 | ASUS ROG Phone 3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| Bluetooth Profiles | - | HFP, OPP, PAN, A2DP, AVRCP, HID | |
| NFC | - | Yes | ASUS ROG Phone 3 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | LG K20 | ASUS ROG Phone 3 |
|---|
| Supported Digital Audio Standards | - | Apt-X, apt-X HD |
|---|
| FEATURES | LG K20 | ASUS ROG Phone 3 |
|---|
| 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 | Ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, ultrasonic sensor | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | KnockON, notification LED, Google Assistant Key | MIMO technology, Four microphones with Noise Reduction technology |
| OTHERS | LG K20 | ASUS ROG Phone 3 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, protective case, 30W fast charger, AeroCooler 3 Fan with USB-C and 3.5mm audio jack | |
|---|---|---|---|
| Compliant Standards | MIL-STD 810G | - |
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