Detailed comparison and review of HTC One A9S and ASUS ZenFone 3 (ZE520KL). With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZE520KL | |
| Form Factor | Touch | Touch | |
| Height | 146.49 mm | 146.87 mm | ASUS ZenFone 3 (ZE520KL) has greater height than HTC One A9S. |
| Width | 71.5 mm | 73.98 mm | ASUS ZenFone 3 (ZE520KL) has greater width than HTC One A9S. |
| Depth | 7.99 mm | 7.69 mm | ASUS ZenFone 3 (ZE520KL) is narrower than HTC One A9S. |
| Weight | 150 g | 144 g | ASUS ZenFone 3 (ZE520KL) is lighter than HTC One A9S. |
| Body Colour | - | Moon white | Gold shimmer | Black sapphire | |
| Body Material | Metal | Metal, glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.938 W/kg (body), 0.278 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD | Super IPS+ | |
| Screen Size (Display Size) | 5" | 5.2" | ASUS ZenFone 3 (ZE520KL) has larger screen size than HTC One A9S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | ASUS ZenFone 3 (ZE520KL) has better screen resolution than HTC One A9S. |
| Display Format | HD | Full HD | |
| Pixel Density | 294 ppi | - | |
| Max Brightness | - | 600 cd/m² | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | ASUS Glove Touch technology, 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| RAM | 2 GB | 3 GB | ASUS ZenFone 3 (ZE520KL) has more RAM than HTC One A9S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | ASUS ZenFone 3 (ZE520KL) has more internal memory than HTC One A9S. |
| User Memory | 10.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | ASUS ZenFone 3 (ZE520KL) has better camera resolution than HTC One A9S. |
| Sensor Type | BSI | - | |
| Sensor Name | - | Sony Exmor RS IMX298 sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/2.0 | ASUS ZenFone 3 (ZE520KL) has better lens aperture than HTC One A9S. |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | 28.3 mm | - | |
| Self-Timer Delay | 0 - 10 sec | - | |
| Special Effects | - | Depth of field | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, Pro mode, HYPERLAPSE, RAW mode | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | |
| Face Recognition (Face ID) | Face detection | - | HTC One A9S has face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 3840 x 2160 (4K) | |
| Camera Features (Functions) | Sapphire crystal lens cover, HTC Zoe, Video Pic | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | ASUS ZenFone 3 (ZE520KL) has better front camera resolution than HTC One A9S. |
| Sensor Type (Front) | BSI | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.8 | F/2.0 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than HTC One A9S. |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | Live make-up | - | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | Auto selfie (smile selfie, still selfie) | Selfie panorama | |
| Face Recognition (Face ID) | Face detection | - | HTC One A9S has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | PixelMaster camera |
| BATTERY AND CHARGING | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Battery Capacity (Battery Size) | 2300 mAh | 2650 mAh | ASUS ZenFone 3 (ZE520KL) has larger battery capacity than HTC One A9S. |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 786.6 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 786.6 min Standby (WCDMA): up to 432 hrs |
- | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| 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) | Android 6.0 (Marshmallow) | |
| User Interface | HTC Sense | ASUS ZenUI 3.0 | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| NFC | Yes | - | HTC One A9S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Supported Digital Audio Standards | WAV, MP3, OGG, MKA, M4A, 3GA, MP4, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, WMV, 3GP, TS, WebM, 3G2 | - | |
| Sound Enhancements | HTC BoomSound | - |
| FEATURES | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, magnetometer, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Wi-Fi Miracast, Dual microphones, HTC Connect, HTC Freestyle Layout | 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 |
| OTHERS | HTC One A9S | ASUS ZenFone 3 (ZE520KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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