Side by side comparison and review of HTC One (A9) and ASUS ZenFone 3 (ZE520KL). Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | HTC One (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZE520KL | |
| Form Factor | Touch | Touch | |
| Height | 145.75 mm | 146.87 mm | ASUS ZenFone 3 (ZE520KL) has greater height than HTC One (A9). |
| Width | 70.8 mm | 73.98 mm | ASUS ZenFone 3 (ZE520KL) has greater width than HTC One (A9). |
| Depth | 7.26 mm | 7.69 mm | HTC One (A9) is narrower than HTC One (A9). |
| Weight | 143 g | 144 g | HTC One (A9) is lighter than HTC One (A9). |
| Body Colour | Topaz gold | Opal silver | Carbon grey | Moon white | Gold shimmer | Black sapphire | |
| Body Material | - | Metal, glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.41 W/kg | 0.938 W/kg (body), 0.278 W/kg (head) | |
| Integrated Components | FM radio | 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 | - | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | HTC One (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | Super IPS+ | |
| Screen Size (Display Size) | 5" | 5.2" | ASUS ZenFone 3 (ZE520KL) has larger screen size than HTC One (A9). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 440 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 4 (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | HTC One (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 617 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 2 GHz | ASUS ZenFone 3 (ZE520KL) has higher clock speed than HTC One (A9). |
| 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 (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| RAM | 2 GB | 3 GB | ASUS ZenFone 3 (ZE520KL) has more RAM than HTC One (A9). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | ASUS ZenFone 3 (ZE520KL) has more internal memory than HTC One (A9). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | HTC One (A9) | 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 (A9). |
| Sensor Type | BSI-CMOS | - | |
| Sensor Name | - | Sony Exmor RS IMX298 sensor | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| 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 | |
| Special Effects | - | Depth of field | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Pro mode | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 3840 x 2160 (4K) | |
| Camera Features (Functions) | Sapphire crystal lens cover | 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) | 4 Megapixel | 8 Megapixel | ASUS ZenFone 3 (ZE520KL) has better front camera resolution than HTC One (A9). |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | - | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Selfie panorama | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | HTC UltraPixel Camera | PixelMaster camera |
| BATTERY AND CHARGING | HTC One (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Battery Capacity (Battery Size) | 2150 mAh | 2650 mAh | ASUS ZenFone 3 (ZE520KL) has larger battery capacity than HTC One (A9). |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 960 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 960 min Standby (WCDMA): up to 432 hrs Active online usage (Wi-Fi): up to 9 hrs Playback (audio): up to 60 hrs Playback (video): up to 12 hrs |
- | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | HTC One (A9) | 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 (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| NFC | Yes | - | HTC One (A9) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC One (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, M4A, EC3 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, WMV, 3GP, 3G2 | - | |
| Sound Enhancements | Dolby sound technology | - |
| FEATURES | HTC One (A9) | 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, gyro sensor, 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 | DLNA Certified, HTC BlinkFeed, Hi-Res Audio, Android Sensor Hub | 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 (A9) | ASUS ZenFone 3 (ZE520KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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