Side by side comparison and review of Samsung Galaxy J7 Duo 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 | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | ZS661KS | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 171 mm | ASUS ROG Phone 3 has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 78 mm | ASUS ROG Phone 3 has greater width than Samsung Galaxy J7 Duo. |
| Depth | 8.2 mm | 9.85 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 240 g | Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Black glare | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.59" | ASUS ROG Phone 3 has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | ASUS ROG Phone 3 has better screen resolution than Samsung Galaxy J7 Duo. |
| 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 |
| PROCESSOR | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 865 | |
|---|---|---|---|
| Processor Number | - | SM8250 | |
| Clock Speed | 1.6 GHz | 2.84 GHz | ASUS ROG Phone 3 has higher clock speed than Samsung Galaxy J7 Duo. |
| 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 | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 8 GB | ASUS ROG Phone 3 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 256 GB | ASUS ROG Phone 3 has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | ASUS ROG Phone 3 has better camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture | F/1.9 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 13 Megapixel | ASUS ROG Phone 3 has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/1.9 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 24 Megapixel | ASUS ROG Phone 3 has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture (Front) | F/1.9 | - |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 6000 mAh | ASUS ROG Phone 3 has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0, Asus ROG HyperCharge | ASUS ROG Phone 3 has fast charging technology. |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
- |
| CELLULAR | Samsung Galaxy J7 Duo | 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 | Google Android | Android 10 | |
| User Interface | - | ROG UI | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | 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 | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | 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 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | 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 | Samsung Galaxy J7 Duo | ASUS ROG Phone 3 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | Apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J7 Duo | 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 | Accelerometer, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, ultrasonic sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | - | MIMO technology, Four microphones with Noise Reduction technology |
| OTHERS | Samsung Galaxy J7 Duo | 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 |
|---|
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