Side by side comparison and review of Samsung Galaxy J4 and OPPO Find X. 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 J4 | OPPO Find X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J400F/DS | CPH1875 | |
| Form Factor | Touch | Touch | |
| Height | 151 mm | 156.7 mm | OPPO Find X has greater height than Samsung Galaxy J4. |
| Width | 77.2 mm | 74.2 mm | Samsung Galaxy J4 has greater width than OPPO Find X. |
| Depth | 8.1 mm | 9.6 mm | Samsung Galaxy J4 is narrower than Samsung Galaxy J4. |
| Weight | 175 g | 186 g | Samsung Galaxy J4 is lighter than Samsung Galaxy J4. |
| Body Colour | Black | Bordeaux red | Glacier blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.492 W/kg (body), 0.356 W/kg (head) | 1.658 W/kg (body), 1.57 W/kg (head), 3.99 W/kg (limb) | |
| 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J4 | OPPO Find X |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.4" | OPPO Find X has larger screen size than Samsung Galaxy J4. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | OPPO Find X has better screen resolution than Samsung Galaxy J4. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 430 ppi | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 430 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Panoramic Arc Screen |
| PROCESSOR | Samsung Galaxy J4 | OPPO Find X |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 845 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | OPPO Find X has higher processor core quantity than Samsung Galaxy J4. |
| 64-bit Architecture | - | Yes | OPPO Find X has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 630 |
| MEMORY | Samsung Galaxy J4 | OPPO Find X |
|---|
| RAM | 2 GB | 8 GB | OPPO Find X has more RAM than Samsung Galaxy J4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | OPPO Find X 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 | - |
| CAMERA | Samsung Galaxy J4 | OPPO Find X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 20 Megapixel | OPPO Find X has better camera resolution than Samsung Galaxy J4. |
| Lens Aperture | F/1.9 | F/2.0 | Samsung Galaxy J4 has better lens aperture than Samsung Galaxy J4. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | Flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | AI Dual camera, AI Beautify, AI scene recognition |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 16 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.0 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 3 | |
|---|---|---|---|
| Front Camera Design | - | Pop-up | |
| Sensor Resolution (Front) | 5 Megapixel | 25 Megapixel | OPPO Find X has better front camera resolution than Samsung Galaxy J4. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO Find X has better front lens aperture than Samsung Galaxy J4. |
| Light Source (Front) | LED flash | - |
| SECOND FRONT CAMERA |
|---|
| Camera Features (2nd Front) | - | Flood Illuminator, Dot Projector |
|---|
| THIRD FRONT CAMERA |
|---|
| Camera Functions (3rd Front) | - | Infrared Camera |
|---|
| BATTERY AND CHARGING | Samsung Galaxy J4 | OPPO Find X |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3400 mAh | OPPO Find X has larger battery capacity than Samsung Galaxy J4. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC Flash Charge technology | OPPO Find X has fast charging technology. |
| 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 Find X |
|---|
| 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 5.1 (based on Android 8.1) | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Samsung Galaxy J4 | OPPO Find X |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J4 | OPPO Find X |
|---|
| 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 Find X |
|---|
| 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 | |
| Security Devices | - | Face recognition | |
| Security Technology | - | Laser 3D face recognition | |
| Additional Phone Features | Multitasking, Dual Messenger, Secure Folder function | 3D Structured Light technology |
| OTHERS | Samsung Galaxy J4 | OPPO Find X |
|---|
| Included Accessories | Power adapter | Headset, power adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, USB-C to 3.5 jack audio cable, protective case |
|---|
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