Detailed comparison and review of Samsung Galaxy J4 and Xiaomi POCO X3 NFC. 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 | Xiaomi POCO X3 NFC |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J400F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 151 mm | 165.3 mm | Xiaomi POCO X3 NFC has greater height than Samsung Galaxy J4. |
| Width | 77.2 mm | 76.8 mm | Samsung Galaxy J4 has greater width than Xiaomi POCO X3 NFC. |
| Depth | 8.1 mm | 9.4 mm | Samsung Galaxy J4 is narrower than Samsung Galaxy J4. |
| Weight | 175 g | 215 g | Samsung Galaxy J4 is lighter than Samsung Galaxy J4. |
| Body Colour | Black | Cobalt blue | Shadow grey | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | 1.492 W/kg (body), 0.356 W/kg (head) | 0.558 W/kg (head), 0.986 W/kg (body), 1.997 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.67" | Xiaomi POCO X3 NFC has larger screen size than Samsung Galaxy J4. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Xiaomi POCO X3 NFC has better screen resolution than Samsung Galaxy J4. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| HDR | - | Yes | Xiaomi POCO X3 NFC has HDR. |
| HDR Technology | - | HDR10 | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | - | Dark mode, Dot Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 732G | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2.3 GHz | Xiaomi POCO X3 NFC has higher clock speed than Samsung Galaxy J4. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi POCO X3 NFC has higher processor core quantity than Samsung Galaxy J4. |
| 64-bit Architecture | - | Yes | Xiaomi POCO X3 NFC has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 618 |
| MEMORY | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 6 GB | Xiaomi POCO X3 NFC has more RAM than Samsung Galaxy J4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi POCO X3 NFC has more internal memory than Samsung Galaxy J4. |
| User Memory | 9.6 GB | - | |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | Xiaomi POCO X3 NFC has better camera resolution than Samsung Galaxy J4. |
| Sensor Size | - | 1/1.73" | |
| Sensor Name | - | Sony Exmor RS IMX682 sensor | |
| Lens Aperture | F/1.9 | F/1.89 | Xiaomi POCO X3 NFC has better lens aperture than Samsung Galaxy J4. |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | Kaleidoscope | |
| Camera Modes | - | Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0 | |
| Light Source | Flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | - | 4-in-1 Super Pixel, AI scene detection, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | FF (4cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Pixel Size (4th Camera) | - | 1.75 μm | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Xiaomi POCO X3 NFC has better front camera resolution than Samsung Galaxy J4. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 1.6 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Selfie panorama, portrait mode, AI Beautify, Short video mode | |
| Light Source (Front) | LED flash | Display flash | |
| Camera Features (Front) | - | Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter |
| BATTERY AND CHARGING | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5160 mAh | Xiaomi POCO X3 NFC 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 |
Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (Music): up to 153 hrs |
| CELLULAR | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 10 | |
| User Interface | - | POCO Launcher 2.0 (MIUI12) | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| 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 | - | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 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 20, Band 28, Band 38, 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 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| NFC | - | Yes | Xiaomi POCO X3 NFC has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | - | Hi-Res audio |
| FEATURES | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| 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, gyro sensor | |
| Security Devices | - | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | Multitasking, Dual Messenger, Secure Folder function | Infrared remote control, MIMO technology, AI face unlock, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0 |
| OTHERS | Samsung Galaxy J4 | Xiaomi POCO X3 NFC |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector | |
|---|---|---|---|
| Compliant Standards | - | IP53, TUV Rheinland Low Blue Light Certification |
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