In depth comparison and review of ASUS ZenFone 3 (ZE520KL) and Apple iPhone X. 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 3 (ZE520KL) | Apple iPhone X |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | A1901 | |
| Form Factor | Touch | Touch | |
| Height | 146.87 mm | 143.6 mm | ASUS ZenFone 3 (ZE520KL) has greater height than Apple iPhone X. |
| Width | 73.98 mm | 70.9 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Apple iPhone X. |
| Depth | 7.69 mm | 7.7 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 174 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
| Body Colour | Moon white | Gold shimmer | Black sapphire | Space grey | Silver | |
| Body Material | Metal, glass | Glass, oleophobic coating, surgical‑grade stainless steel | |
| Protection | - | Dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Apple iPhone X is waterproof. |
| IP rating | - | IEC 60529 IP67 | |
| Repairability Index | - | 4.8 (out of 10) | |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 1.17 W/kg (body), 1.08 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Lightning | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Single-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super IPS+ | Super Retina HD | |
| Screen Size (Display Size) | 5.2" | 5.8" | Apple iPhone X has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2436 x 1125 pixels | Apple iPhone X has better screen resolution than ASUS ZenFone 3 (ZE520KL). |
| Display Format | Full HD | - | |
| Pixel Density | - | 458 ppi | |
| Max Brightness | 600 cd/m² | 625 cd/m² | Apple iPhone X has better display brightness than ASUS ZenFone 3 (ZE520KL). |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Apple iPhone X has HDR. |
| HDR Technology | - | HDR10 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | Dolby Vision | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | True Tone display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | Fingerprint-resistant oleophobic coating |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Apple A11 Bionic - with M11 motion | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| RAM | 3 GB | - | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Apple iPhone X has more internal memory than ASUS ZenFone 3 (ZE520KL). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | ASUS ZenFone 3 (ZE520KL) has better camera resolution than Apple iPhone X. |
| Sensor Type | - | BSI | |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.8 | Apple iPhone X has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | 6-element | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Dual OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | - | 10x | |
| Special Effects | Depth of field | - | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Burst mode, Panorama, Time-lapse mode, Timer mode, tap to focus, portrait mode, Portrait Lighting (beta), Live Photos, Live Photos with stabilisation | |
| Face Recognition (Face ID) | - | Body and face detection | Apple iPhone X has face detection. |
| Light Source | Dual LED flash | True Tone quad LED flash | |
| Video Resolutions | 3840 x 2160 (4K) | 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | Sapphire crystal lens cover, Cinematic video stabilisation, Focus Pixels, Cinematic video stabilisation, Playback zoom, Hybrid IR filter, Exposure control, noise reduction, geotagging, Continuous Auto Focus (CAF) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Capture depth information |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 7 Megapixel | ASUS ZenFone 3 (ZE520KL) has better front camera resolution than Apple iPhone X. |
| Sensor Type (Front) | - | BSI | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL). |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Selfie panorama | Burst mode, Timer mode, portrait mode, Portrait Lighting (beta), Live Photos | |
| Face Recognition (Face ID) | - | Body and face detection, face recognition | Apple iPhone X has face detection. |
| Light Source (Front) | - | Retina Flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | PixelMaster camera | FaceTime HD camera, Exposure control, Auto image stabilisation, Animoji |
| SECOND FRONT CAMERA |
|---|
| Camera Functions (2nd Front) | - | Infrared camera for Face ID | |
|---|---|---|---|
| Camera Features (2nd Front) | - | Flood Illuminator, Dot Projector |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | - | |
|---|---|---|---|
| Fast Charging Technology | - | Apple fast charging technology | Apple iPhone X has fast charging technology. |
| Wireless Charging | - | Yes | Apple iPhone X can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Talk Time | - | 1260 minutes | |
| Run Time Details | - | Talk: up to 1260 min Active online usage: up to 12 hrs Playback (wireless video): up to 13 hrs Playback (wireless audio): up to 60 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | iOS 11 | |
| User Interface | ASUS ZenUI 3.0 | - | |
| Intelligent Assistant | - | Siri | |
| Payment Technology | - | Apple Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, Galileo, QZSS |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | Apple iPhone X has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Supported Digital Audio Standards | - | Audible, MP3, FLAC, Apple Lossless, AC-3, AAC-LC, LPCM, HE-AAC, Audible AAX, Audible AAX+, protected AAC, EAC3, HE-AAC v2 | |
|---|---|---|---|
| Supported Digital Video Standards | - | M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF |
| FEATURES | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| 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, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | |
| Security Devices | Fingerprint reader | Face recognition | |
| Security Technology | - | Face ID | |
| Additional Phone Features | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology | Multitasking, FaceTime, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, QuickType keyboard, Handoff, HomeKit, Apple TV support (2nd or later), Fast Charging, AirPlay 2 wireless streaming, M11 motion coprocessor, Neural Engine |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | Apple iPhone X |
|---|
| Included Accessories | Power adapter | Power adapter, Apple EarPods with Lightning Connector, Lightning to USB cable | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP67, HAC (Hearing Aid Compatible) | |
| Max Operating Temperature | - | 35 °C | |
| Min Operating Temperature | - | 0 °C | |
| Humidity Range Operating | - | 5 - 95% (non-condensing) |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
