Side by side comparison and review of ASUS ZenFone 4 (ZE554KL) 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 | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE554KL | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 155.36 mm | 158 mm | Ulefone Armor X3 has greater height than ASUS ZenFone 4 (ZE554KL). |
| Width | 75.24 mm | 77.5 mm | Ulefone Armor X3 has greater width than ASUS ZenFone 4 (ZE554KL). |
| Depth | 7.7 mm | 13.85 mm | ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL). |
| Weight | 165 g | 235 g | ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL). |
| Body Colour | Midnight black | Moonlight white | 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 | 1.48 W/kg (body), 1.42 W/kg (head) | 0.356 W/kg (body), 0.186 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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 | Nano SIM + nano SIM/microSD |
| DISPLAY | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super IPS+ | IPS | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | ASUS ZenFone 4 (ZE554KL) has better screen resolution than Ulefone Armor X3. |
| Display Format | Full HD | HD+ | |
| Pixel Density | - | 293 ppi | |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 600 cd/m² | - | |
| Display Enhancement Technology | Bluelight Filter for Eye Care, Splendid technology | - | |
| Display Features | 2.5D Glass | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | - |
| PROCESSOR | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580 | |
| Clock Speed | 2.2 GHz | 1.3 GHz | ASUS ZenFone 4 (ZE554KL) has higher clock speed than Ulefone Armor X3. |
| Processor Core Qty | 8-core | Quad-core | ASUS ZenFone 4 (ZE554KL) has higher processor core quantity than Ulefone Armor X3. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 4 (ZE554KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | - |
| MEMORY | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 2 GB | ASUS ZenFone 4 (ZE554KL) has more RAM than Ulefone Armor X3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 4 (ZE554KL) has more internal memory than Ulefone Armor X3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 8 Megapixel | ASUS ZenFone 4 (ZE554KL) has better camera resolution than Ulefone Armor X3. |
| Sensor Size | 1/2.55" | - | |
| Sensor Name | Sony Exmor RS IMX362 sensor | - | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | 5-element | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 4 (ZE554KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | Underwater mode | |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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 | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 4 (ZE554KL) has better second camera resolution than Ulefone Armor X3. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 4 (ZE554KL) has better front camera resolution than Ulefone Armor X3. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 4-element | |
| Special Effects (Front) | Collage | - | |
| Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification | - | |
| Camera Features (Front) | PixelMaster camera, ASUS SelfieMaster technology, 9 filters | - |
| BATTERY AND CHARGING | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5000 mAh | Ulefone Armor X3 has larger battery capacity than ASUS ZenFone 4 (ZE554KL). |
|---|---|---|---|
| Fast Charging Technology | ASUS Boost Master | - | ASUS ZenFone 4 (ZE554KL) has fast charging technology. |
| Standby Time | 552 hours | 440 hours | ASUS ZenFone 4 (ZE554KL) has longer standby time than Ulefone Armor X3. |
| Talk Time | 1800 minutes | 1500 minutes | ASUS ZenFone 4 (ZE554KL) has longer battery life when making calls than Ulefone Armor X3. |
| Run Time Details | Standby (4G): up to 552 hrs Talk (3G): up to 1800 min Playback (video): up to 16 hrs Continuous browsing (Wi-Fi): up to 18 hrs |
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 | Lithium polymer |
| CELLULAR | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | ASUS ZenFone 4 (ZE554KL) has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Android 9.0 Pie | |
| User Interface | ASUS ZenUI 4.0 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | |
|---|---|---|---|
| 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 3, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1800, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.0 | |
| NFC | Yes | - | ASUS ZenFone 4 (ZE554KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Supported Digital Audio Standards | - | AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, 3GP | |
| Sound Enhancements | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X | - |
| FEATURES | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, colour correction sensor | Accelerometer, digital compass, L-sensor, P-sensor | |
| Security Devices | - | Face recognition | |
| Additional Phone Features | Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) | Face Unlock, Glove mode, customised button |
| OTHERS | ASUS ZenFone 4 (ZE554KL) | Ulefone Armor X3 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | 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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