In depth comparison and review of Samsung Galaxy J3 (2017) DUOS and Ulefone Armor X7. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J330F | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 143.2 mm | 150 mm | Ulefone Armor X7 has greater height than Samsung Galaxy J3 (2017) DUOS. |
| Width | 70.3 mm | 78.9 mm | Ulefone Armor X7 has greater width than Samsung Galaxy J3 (2017) DUOS. |
| Depth | 8.2 mm | 14.6 mm | Samsung Galaxy J3 (2017) DUOS is narrower than Samsung Galaxy J3 (2017) DUOS. |
| Weight | 142 g | 234 g | Samsung Galaxy J3 (2017) DUOS is lighter than Samsung Galaxy J3 (2017) DUOS. |
| Body Colour | Black | Blue | Orange | |
| Body Material | Metal | Aluminium alloy, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, waterproof, splash-resistant | |
| Waterproof (Water-resistant) | - | Yes | Ulefone Armor X7 is waterproof. |
| IP rating | - | IEC 60529 IP68, IEC 60529 IP69K | |
| SAR Value | 1.32 W/kg (body), 0.658 W/kg (head) | 0.793 W/kg (body), 0.8 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | PLS | IPS | |
| Screen Size (Display Size) | 5" | 5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 294 ppi | |
| Colour Depth | 16.7 million colours | - |
| PROCESSOR | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Processor Type (CPU) | - | MediaTek Helio A20 | |
|---|---|---|---|
| Processor Number | - | MT6761 | |
| Clock Speed | 1.4 GHz | 1.8 GHz | Ulefone Armor X7 has higher clock speed than Samsung Galaxy J3 (2017) DUOS. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | IMG GE8300 |
| MEMORY | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| User Memory | 10.3 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/1.9 | F/2.2 | Samsung Galaxy J3 (2017) DUOS has better lens aperture than Samsung Galaxy J3 (2017) DUOS. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Pro mode, night mode | Underwater mode | |
| Light Source | LED light | Dual 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, 854 x 480 (480p) at 30 fps |
| 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/2.2 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 4-element | |
| Special Effects (Front) | HDR | - |
| BATTERY AND CHARGING | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Battery Capacity (Battery Size) | 2400 mAh | 4000 mAh | Ulefone Armor X7 has larger battery capacity than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Standby Time | - | 430 hours | |
| Talk Time | 900 minutes | 780 minutes | Samsung Galaxy J3 (2017) DUOS has longer battery life when making calls than Ulefone Armor X7. |
| Run Time Details | Playback (Music): up to 61 hrs Continuous browsing (3G): up to 12 hrs Playback (video): up to 14 hrs Continuous browsing (4G): up to 14 hrs Talk (3G): up to 900 min Continuous browsing (Wi-Fi): up to 14 hrs |
Talk: up to 780 min Standby: up to 430 hrs Playback (Music): up to 26 hrs Playback (video): up to 9 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | Android 10 | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE | |
|---|---|---|---|
| 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 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 19, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, 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 700b, FDD 800 upper, FDD 800 DD | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | - | |
| NFC | - | Yes | Ulefone Armor X7 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Supported Digital Audio Standards | WMA, MP3, FLAC, OGG, MP4 | AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 | MPEG-4, 3GP |
| FEATURES | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| 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, fingerprint reader | |
| Additional Phone Features | Dual Messenger | Face Unlock, Glove mode, notification LED, customised button |
| OTHERS | Samsung Galaxy J3 (2017) DUOS | Ulefone Armor X7 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, protective film, Sling, plastic spudger | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP68, MIL-STD 810G, IEC 60529 IP69K | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Operating Temperature | - | 60 °C | |
| Min Operating Temperature | - | -20 °C |
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