Side by side comparison and review of Samsung Galaxy J4 and Ulefone Armor X3. 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 | Ulefone Armor X3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J400F/DS | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 151 mm | 158 mm | Ulefone Armor X3 has greater height than Samsung Galaxy J4. |
| Width | 77.2 mm | 77.5 mm | Ulefone Armor X3 has greater width than Samsung Galaxy J4. |
| Depth | 8.1 mm | 13.85 mm | Samsung Galaxy J4 is narrower than Samsung Galaxy J4. |
| Weight | 175 g | 235 g | Samsung Galaxy J4 is lighter than Samsung Galaxy J4. |
| Body Colour | Black | Silver | |
| Body Material | - | Aluminium alloy, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, waterproof, drop-proof, splash-resistant | |
| Waterproof (Water-resistant) | - | Yes | Ulefone Armor X3 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 1.492 W/kg (body), 0.356 W/kg (head) | 0.356 W/kg (body), 0.186 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 | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | Ulefone Armor X3 has better screen resolution than Samsung Galaxy J4. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 293 ppi | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - |
| PROCESSOR | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580 | |
| Clock Speed | 1.4 GHz | 1.3 GHz | Samsung Galaxy J4 has higher clock speed than Ulefone Armor X3. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Ulefone Armor X3 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 128 GB |
| CAMERA | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | Samsung Galaxy J4 has better camera resolution than Ulefone Armor X3. |
| Lens Aperture | F/1.9 | F/1.8 | Ulefone Armor X3 has better lens aperture than Samsung Galaxy J4. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | Underwater mode | |
| Light Source | Flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Ulefone Armor X3 has better front lens aperture than Samsung Galaxy J4. |
| Lens Element Qty (Front) | - | 4-element | |
| Light Source (Front) | LED flash | - |
| BATTERY AND CHARGING | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Ulefone Armor X3 has larger battery capacity than Samsung Galaxy J4. |
|---|---|---|---|
| Standby Time | - | 440 hours | |
| Talk Time | 1200 minutes | 1500 minutes | Ulefone Armor X3 has longer battery life when making calls than Samsung Galaxy J4. |
| 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 |
Talk: up to 1500 min Standby: up to 440 hrs Playback (Music): up to 34 hrs Playback (video): up to 9 hrs |
|
| Battery Technology | - | Lithium polymer |
| CELLULAR | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | Samsung Galaxy J4 has more advanced generation mobile network. |
| Operating System | Google Android | Android 9.0 Pie | |
| Navigation | GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | |
|---|---|---|---|
| 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 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 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | - | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MPEG-4, 3GP |
| FEATURES | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| 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, digital compass, L-sensor, P-sensor | |
| Security Devices | - | Face recognition | |
| Additional Phone Features | Multitasking, Dual Messenger, Secure Folder function | Face Unlock, Glove mode, customised button |
| OTHERS | Samsung Galaxy J4 | Ulefone Armor X3 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, tempered glass screen protector | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP68, IP69K | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Operating Temperature | - | 60 °C | |
| Min Operating Temperature | - | -20 °C |
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