In depth comparison and review of ASUS ZenFone 4 (ZE554KL) and OPPO A15. 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) | OPPO A15 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | ZE554KL | CPH2185 | |
Form Factor | Touch | Touch | |
Height | 155.36 mm | 164 mm | OPPO A15 has greater height than ASUS ZenFone 4 (ZE554KL). |
Width | 75.24 mm | 75.4 mm | OPPO A15 has greater width than ASUS ZenFone 4 (ZE554KL). |
Depth | 7.7 mm | 7.9 mm | ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL). |
Weight | 165 g | 175 g | ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL). |
Body Colour | Midnight black | Moonlight white | Dynamic black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.48 W/kg (body), 1.42 W/kg (head) | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | |
Integrated Components | FM radio | - | |
Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Micro-USB Handset jack - mini-phone 3.5mm |
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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) | OPPO A15 |
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Display Type | LCD display | LCD display | |
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Display Technology | Super IPS+ | LCD | |
Screen Size (Display Size) | 5.5" | 6.52" | OPPO A15 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 OPPO A15. |
Display Format | Full HD | HD+ | |
Pixel Density | - | 269 ppi | |
Max Brightness | 600 cd/m² | 480 cd/m² | ASUS ZenFone 4 (ZE554KL) has better display brightness than OPPO A15. |
Contrast Ratio | - | 1500:1 | |
Display Enhancement Technology | Bluelight Filter for Eye Care, Splendid technology | - | |
Display Refresh Rate | - | 60 Hz | |
Display Features | 2.5D Glass | Dark mode, Waterdrop Screen | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | - |
PROCESSOR | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Processor Type (CPU) | Qualcomm Snapdragon 630 | MediaTek Helio P35 | |
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Processor Number | - | MT6765 | |
Clock Speed | 2.2 GHz | 2.3 GHz | OPPO A15 has higher clock speed than ASUS ZenFone 4 (ZE554KL). |
Processor Core Qty | 8-core | - | |
64-bit Architecture | Yes | - | ASUS ZenFone 4 (ZE554KL) has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 508 | IMG GE8320 |
MEMORY | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 3 GB | ASUS ZenFone 4 (ZE554KL) has more RAM than OPPO A15. |
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Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 4 (ZE554KL) has more internal memory than OPPO A15. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 256 GB |
CAMERA | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 3 | |
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Sensor Resolution | 12 Megapixel | 13 Megapixel | OPPO A15 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 | 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 | HDR, Portrait bokeh | |
Camera Modes | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
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 | - | |
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) | AI Triple camera, AI Scene Enhancement |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | ASUS ZenFone 4 (ZE554KL) has better second camera resolution than OPPO A15. |
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Lens Type (2nd Camera) | Wide-angle lens | - | |
Lens Aperture (2nd Camera) | - | F/2.4 | |
Lens Element Qty (2nd Camera) | - | 3-element | |
Camera Functions (2nd Camera) | - | Macro camera | |
Camera Features (2nd Camera) | - | 4cm macro photography |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Lens Element Qty (3rd Camera) | - | 3-element | |
Camera Functions (3rd Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 4 (ZE554KL) has better front camera resolution than OPPO A15. |
Lens Aperture (Front) | F/2.0 | F/2.4 | ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL). |
Lens Element Qty (Front) | - | 3-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 | AI beautification |
BATTERY AND CHARGING | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Battery Capacity (Battery Size) | 3300 mAh | 4230 mAh | OPPO A15 has larger battery capacity than ASUS ZenFone 4 (ZE554KL). |
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Fast Charging Technology | ASUS Boost Master | - | ASUS ZenFone 4 (ZE554KL) has 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 |
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Battery Technology | Lithium polymer | - |
CELLULAR | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 7.0 Nougat | ColorOS 7.2 (based on Android 10) | |
User Interface | ASUS ZenUI 4.0 | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | FDD-LTE, TDD-LTE | |
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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 | Wi-Fi | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | Yes | - | ASUS ZenFone 4 (ZE554KL) has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Supported Digital Audio Standards | - | AAC, apt-X, LDAC, SBC | |
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Sound Enhancements | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X | - |
FEATURES | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, colour correction sensor | - | |
Security Devices | - | Face recognition, fingerprint reader | |
Security Technology | - | AI face unlock | |
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) | HyperBoost 2.1 |
OTHERS | ASUS ZenFone 4 (ZE554KL) | OPPO A15 |
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Included Accessories | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | Protective cover, USB cable, power adapter, SIM card removal tool |
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