In depth comparison and review of ASUS ZenFone 4 (ZE554KL) and Samsung Galaxy A02s. 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 | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE554KL | SM-A025G/DSN | |
| Form Factor | Touch | Touch | |
| Height | 155.36 mm | 166.5 mm | Samsung Galaxy A02s has greater height than ASUS ZenFone 4 (ZE554KL). |
| Width | 75.24 mm | 75.9 mm | Samsung Galaxy A02s has greater width than ASUS ZenFone 4 (ZE554KL). |
| Depth | 7.7 mm | 9.2 mm | ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL). |
| Weight | 165 g | 198 g | ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL). |
| Body Colour | Midnight black | Moonlight white | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.48 W/kg (body), 1.42 W/kg (head) | 0.78 W/kg (body), 0.55 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| 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 | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super IPS+ | PLS TFT | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A02s has larger screen size than ASUS ZenFone 4 (ZE554KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 4 (ZE554KL) has better screen resolution than Samsung Galaxy A02s. |
| Display Format | Full HD | HD+ | |
| Max Brightness | 600 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Bluelight Filter for Eye Care, Splendid technology | - | |
| Display Features | 2.5D Glass | Infinity V Display, Dark mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | - |
| PROCESSOR | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | - | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 1.8 GHz | ASUS ZenFone 4 (ZE554KL) has higher clock speed than Samsung Galaxy A02s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 4 (ZE554KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | - |
| MEMORY | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 3 GB | ASUS ZenFone 4 (ZE554KL) has more RAM than Samsung Galaxy A02s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 4 (ZE554KL) has more internal memory than Samsung Galaxy A02s. |
| User Memory | - | 20.6 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Samsung Galaxy A02s has better camera resolution than ASUS ZenFone 4 (ZE554KL). |
| Sensor Size | 1/2.55" | - | |
| Sensor Name | Sony Exmor RS IMX362 sensor | - | |
| Lens Aperture | F/1.8 | F/2.2 | ASUS ZenFone 4 (ZE554KL) has better lens aperture than ASUS ZenFone 4 (ZE554KL). |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 4 (ZE554KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | HDR | Bokeh effect | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | Live Focus mode | |
| Light Source | Dual LED flash | 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) at 30 fps | |
| 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 Samsung Galaxy A02s. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Depth camera |
| 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 Samsung Galaxy A02s. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL). |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Collage | - | |
| Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification | Live Focus mode | |
| Camera Features (Front) | PixelMaster camera, ASUS SelfieMaster technology, 9 filters | - |
| BATTERY AND CHARGING | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5000 mAh | Samsung Galaxy A02s has larger battery capacity than ASUS ZenFone 4 (ZE554KL). |
|---|---|---|---|
| Fast Charging Technology | ASUS Boost Master | Adaptive Fast Charging | Both phones have fast charging technology. |
| Standby Time | 552 hours | - | |
| Talk Time | 1800 minutes | - | |
| 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 |
- | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| 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 | - | |
| User Interface | ASUS ZenUI 4.0 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | FDD-LTE, TDD-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 3, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1800, 850, 800, 900, 800 | 2100, 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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X | - |
| FEATURES | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| 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, ambient light sensor, proximity sensor | |
| 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) | - |
| OTHERS | ASUS ZenFone 4 (ZE554KL) | Samsung Galaxy A02s |
|---|
| Included Accessories | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | - | |
|---|---|---|---|
| Compliant Standards | - | IEC 61960 |
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