In depth comparison and review of Apple iPhone X and ASUS Zenfone 8 Flip. 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 | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A1901 | ZS672KS | |
| Form Factor | Touch | Touch | |
| Height | 143.6 mm | 165.04 mm | ASUS Zenfone 8 Flip has greater height than Apple iPhone X. |
| Width | 70.9 mm | 77.28 mm | ASUS Zenfone 8 Flip has greater width than Apple iPhone X. |
| Depth | 7.7 mm | 9.6 mm | Apple iPhone X is narrower than Apple iPhone X. |
| Weight | 174 g | 230 g | Apple iPhone X is lighter than Apple iPhone X. |
| Body Colour | Space grey | Silver | Galactic black | |
| Body Material | Glass, oleophobic coating, surgical‑grade stainless steel | Glass | |
| 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 | 1.17 W/kg (body), 1.08 W/kg (head) | 1.43 W/kg (head), 1.245 W/kg (body), 3.504 W/kg (limb) | |
| Connector Type | Lightning | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super Retina HD | AMOLED | |
| Screen Size (Display Size) | 5.8" | 6.67" | ASUS Zenfone 8 Flip has larger screen size than Apple iPhone X. |
| Screen Resolution (Display Resolution) | 2436 x 1125 pixels | 2400 x 1080 pixels | Apple iPhone X has better screen resolution than ASUS Zenfone 8 Flip. |
| Display Format | - | Full HD+ | |
| Pixel Density | 458 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 625 cd/m² | 1000 cd/m² | ASUS Zenfone 8 Flip has better display brightness than Apple iPhone X. |
| Contrast Ratio | 1000000:1 | - | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10 | HDR10+ | |
| Display Enhancement Technology | Dolby Vision | DC Dimming | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | True Tone display | ASUS Glove Touch technology, Delta-E < 1, NanoEdge display, 105% NTSC, 110% DCI-P3 | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Processor Type (CPU) | Apple A11 Bionic - with M11 motion | Qualcomm Snapdragon 888 5G | |
|---|---|---|---|
| Processor Number | - | SM8350 | |
| Clock Speed | - | 2.84 GHz | |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Apple iPhone X has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 660 |
| MEMORY | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| RAM | - | LPDDR5 SDRAM - 8 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | ASUS Zenfone 8 Flip has more internal memory than Apple iPhone X. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Rear Camera Design | - | Flip | |
| Sensor Resolution | 12 Megapixel | 64 Megapixel | ASUS Zenfone 8 Flip has better camera resolution than Apple iPhone X. |
| Sensor Size | - | 1/1.7" | |
| Sensor Type | BSI | - | |
| Sensor Name | - | Sony Exmor RS IMX686 sensor | |
| Lens Type | Wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 78.3 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | - | |
| Minimum Focal Length (Focal Distance) | - | 26.6 mm | |
| Digital Zoom | 10x | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, Time-lapse mode, Timer mode, tap to focus, portrait mode, Portrait Lighting (beta), Live Photos, Live Photos with stabilisation | Slow motion video, Time-lapse mode, Pro mode, Auto Panorama | |
| Face Recognition (Face ID) | Body and face detection | - | Apple iPhone X has face detection. |
| Light Source | True Tone quad 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, 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 | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, Slo-mo video 3840 x 2160 (4K) at 120 fps | |
| Camera Features (Functions) | 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) | Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, Wind Noise Filter, Motion tracking, Quad Bayer technology, HyperSteady, Free Zoom, Mic Focus, 2x1 On-Chip Lens (OCL), Quick Flip Angle camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.55" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX363 sensor | |
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | ASUS Zenfone 8 Flip has better second camera lens aperture than Apple iPhone X. |
| Pixel Size (2nd Camera) | - | 1.4 μm | |
| Minimum Focal Length (2nd Camera) | - | 14.3 mm | |
| Camera Functions (2nd Camera) | Capture depth information | - | |
| Camera Features (2nd Camera) | - | Dual Pixel Phase Detect Auto-Focus (PDAF), Real-time distortion correction, Dual Pixel image sensor, 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/2.55" | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Pixel Size (3rd Camera) | - | 1.4 μm | |
| Optical Zoom | - | 3x | |
| Digital Zoom | - | 12x | |
| Camera Features (3rd Camera) | - | Dual Pixel image sensor |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 0 | |
|---|---|---|---|
| Sensor Resolution (Front) | 7 Megapixel | - | |
| Sensor Type (Front) | BSI | - | |
| Lens Aperture (Front) | F/2.2 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | 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) | 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 | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Battery Capacity (Battery Size) | - | 5000 mAh | |
|---|---|---|---|
| Fast Charging Technology | Apple fast charging technology | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 1.7 hours | |
| 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 | Lithium polymer |
| CELLULAR | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | ASUS Zenfone 8 Flip has more advanced generation mobile network. |
| Operating System | iOS 11 | Android 11 | |
| User Interface | - | ASUS ZenUI 8.0 | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | A-GPS, GLONASS, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| COMMUNICATIONS | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, 5G NR FR1 | |
|---|---|---|---|
| 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | - | 2100, 1900, 1800, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42 | |
| 4G LTE Frequency | 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 3700, TDD TD 3500, n12 | |
| Wireless Interface | IEEE 802.11ac | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 EDR | |
| Bluetooth Profiles | - | A2DP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X60 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| 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 | Apt-X, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | M-JPEG, H.264, HEVC, MPEG-4 Part 2, HEIF | - | |
| Sound Enhancements | - | Dirac HD Sound, Hi-Res audio certified, OZO Audio, Qualcomm aptX Adaptive | |
| Audio Amplifier | - | Dual NXP TFA9874 |
| FEATURES | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, gyroscope | |
| Security Devices | Face recognition | Fingerprint reader (under display), face recognition | |
| Security Technology | Face ID | - | |
| Additional Phone Features | 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 | MIMO technology, Power Saving Mode, AudioWizard, Smart Key, One Hand Mode, ASUS Noise Reduction technology, ARCore, dual stereo speakers, triple noise reduction microphones, system mode |
| OTHERS | Apple iPhone X | ASUS Zenfone 8 Flip |
|---|
| Included Accessories | Power adapter, Apple EarPods with Lightning Connector, Lightning to USB cable | SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W) | |
|---|---|---|---|
| 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) | - |
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