In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and HTC One (X9). 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 Zoom (ZX551ML) | HTC One (X9) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | - | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 153.9 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than HTC One (X9). |
| Width | 78.8 mm | 75.9 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than HTC One (X9). |
| Depth | 12 mm | 8 mm | HTC One (X9) is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 170 g | HTC One (X9) is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Body Colour | Ceramic white | Pure black | Carbon grey | Topaz gold | Copper rose | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | Super LCD | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| 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 | 401 ppi | 401 ppi | Both phones have the same pixel density. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Processor Type (CPU) | Intel Atom | MediaTek Helio X10 | |
|---|---|---|---|
| Processor Number | Z3590 | - | |
| Clock Speed | 2.5 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | HTC One (X9) has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML). |
| 64-bit Architecture | - | Yes | HTC One (X9) has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | PowerVR G6200 |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| RAM | 4 GB | 3 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than HTC One (X9). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 200 GB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | - | BSI-CMOS | |
| Lens Aperture | F/2.7-4.8 | F/2.0 | HTC One (X9) has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) 2.0 | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 28 mm | |
| Digital Zoom | 3x | - | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama | Panorama, RAW mode | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 3840 x 2160 (4K) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/2.8 | ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Focus Adjustment | - | Focus free | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | - | 900 minutes | |
| Run Time Details | - | Talk (WCDMA): up to 900 min Playback (Music): up to 40 hrs Playback (video): up to 10 hrs |
|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 5.0 (Lollipop) | Android 6.0 (Marshmallow) | |
| User Interface | ASUS ZenUI 2.0 | HTC Sense | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 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 9, Band 18, Band 19, Band 28 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | A2DP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Supported Digital Audio Standards | - | WAV, MP3, eAAC+, apt-X | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.264 | |
| Sound Enhancements | - | HTC BoomSound |
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor | |
| Additional Phone Features | Multitasking | DLNA Certified, sharing media via DLNA |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | HTC One (X9) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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