In depth comparison and review of ASUS ROG Phone 3 and Samsung Galaxy A02s. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS661KS | SM-A025G/DSN | |
| Form Factor | Touch | Touch | |
| Height | 171 mm | 166.5 mm | ASUS ROG Phone 3 has greater height than Samsung Galaxy A02s. |
| Width | 78 mm | 75.9 mm | ASUS ROG Phone 3 has greater width than Samsung Galaxy A02s. |
| Depth | 9.85 mm | 9.2 mm | Samsung Galaxy A02s is narrower than ASUS ROG Phone 3. |
| Weight | 240 g | 198 g | Samsung Galaxy A02s is lighter than ASUS ROG Phone 3. |
| Body Colour | Black glare | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.78 W/kg (body), 0.55 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-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 |
| DISPLAY | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | PLS TFT | |
| Screen Size (Display Size) | 6.59" | 6.5" | ASUS ROG Phone 3 has larger screen size than Samsung Galaxy A02s. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | ASUS ROG Phone 3 has better screen resolution than Samsung Galaxy A02s. |
| Display Format | - | HD+ | |
| Aspect Ratio | 19.5:9 | - | |
| Colour Depth | - | 16.7 million colours | |
| HDR | Yes | - | ASUS ROG Phone 3 has HDR. |
| Display Refresh Rate | 144 Hz | - | |
| Display Features | - | Infinity V Display, Dark mode |
| PROCESSOR | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | - | |
|---|---|---|---|
| Processor Number | SM8250 | - | |
| Clock Speed | 2.84 GHz | 1.8 GHz | ASUS ROG Phone 3 has higher clock speed than Samsung Galaxy A02s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ROG Phone 3 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | - |
| MEMORY | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 3 GB | ASUS ROG Phone 3 has more RAM than Samsung Galaxy A02s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 32 GB | ASUS ROG Phone 3 has more internal memory than Samsung Galaxy A02s. |
| User Memory | - | 20.6 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 13 Megapixel | ASUS ROG Phone 3 has better camera resolution than Samsung Galaxy A02s. |
| Lens Aperture | - | F/2.2 | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | Bokeh effect | |
| Camera Modes | - | Live Focus mode | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 2 Megapixel | ASUS ROG Phone 3 has better second camera resolution than Samsung Galaxy A02s. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 24 Megapixel | 5 Megapixel | ASUS ROG Phone 3 has better front camera resolution than Samsung Galaxy A02s. |
| Lens Aperture (Front) | - | F/2.2 | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | - | Live Focus mode |
| BATTERY AND CHARGING | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Battery Capacity (Battery Size) | 6000 mAh | 5000 mAh | ASUS ROG Phone 3 has larger battery capacity than Samsung Galaxy A02s. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | Adaptive Fast Charging | Both phones have fast charging technology. |
| CELLULAR | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | ASUS ROG Phone 3 has more advanced generation mobile network. |
| Operating System | Android 10 | - | |
| User Interface | ROG UI | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE, 5G NR | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Supported Digital Audio Standards | Apt-X, apt-X HD | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| 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, hall sensor, ultrasonic sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | - | |
| Additional Phone Features | MIMO technology, Four microphones with Noise Reduction technology | - |
| OTHERS | ASUS ROG Phone 3 | Samsung Galaxy A02s |
|---|
| Included Accessories | 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 | - | IEC 61960 |
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