Detailed comparison and review of Samsung Galaxy J4 and OPPO AX7. 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 | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J400F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 151 mm | 155.9 mm | OPPO AX7 has greater height than Samsung Galaxy J4. |
| Width | 77.2 mm | 75.4 mm | Samsung Galaxy J4 has greater width than OPPO AX7. |
| Depth | 8.1 mm | 8.1 mm | Both phones are the same depth. |
| Weight | 175 g | 168 g | OPPO AX7 is lighter than Samsung Galaxy J4. |
| Body Colour | Black | Glaze blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.492 W/kg (body), 0.356 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | LTPS TFT | |
| Screen Size (Display Size) | 5.5" | 6.2" | OPPO AX7 has larger screen size than Samsung Galaxy J4. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1520 x 720 pixels | OPPO AX7 has better screen resolution than Samsung Galaxy J4. |
| Display Format | HD | HD+ | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | In-Cell Display Technology |
| PROCESSOR | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 450 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | - | |
| Processor Core Qty | Quad-core | - | |
| 64-bit Architecture | - | Yes | OPPO AX7 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | Samsung Galaxy J4 | OPPO AX7 |
|---|
| RAM | 2 GB | 4 GB | OPPO AX7 has more RAM than Samsung Galaxy J4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | OPPO AX7 has more internal memory than Samsung Galaxy J4. |
| User Memory | 9.6 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J4 | OPPO AX7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/1.9 | F/2.2 | Samsung Galaxy J4 has better lens aperture than Samsung Galaxy J4. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Light Source | Flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AR sticker, AI Beautify |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO AX7 has better front camera resolution than Samsung Galaxy J4. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO AX7 has better front lens aperture than Samsung Galaxy J4. |
| Special Effects (Front) | - | HDR, Bokeh effect | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4230 mAh | OPPO AX7 has larger battery capacity than Samsung Galaxy J4. |
|---|---|---|---|
| Talk Time | 1200 minutes | - | |
| Run Time Details | Active online usage (3G): 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 18 hrs Playback (audio): up to 80 hrs Talk (WCDMA): up to 1200 min |
- |
| CELLULAR | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | ColorOS 5.2 (based on Android 8.1) | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Supported Digital Audio Standards | 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, 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, G-sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Multitasking, Dual Messenger, Secure Folder function | - |
| OTHERS | Samsung Galaxy J4 | OPPO AX7 |
|---|
| Included Accessories | Power adapter | Headset, screen protection film, USB cable, power adapter, SIM card removal tool, protective case |
|---|
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