In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and HTC Desire 825. 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 Desire 825 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZX551ML | - | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 156.9 mm | ASUS ZenFone Zoom (ZX551ML) has greater height than HTC Desire 825. |
| Width | 78.8 mm | 76.9 mm | ASUS ZenFone Zoom (ZX551ML) has greater width than HTC Desire 825. |
| Depth | 12 mm | 7.4 mm | HTC Desire 825 is narrower than ASUS ZenFone Zoom (ZX551ML). |
| Weight | 185 g | 155 g | HTC Desire 825 is lighter than ASUS ZenFone Zoom (ZX551ML). |
| Body Colour | Ceramic white | Pure black | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.432 W/kg (body), 0.343 W/kg (head) | 0.377 W/kg | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | - |
| DISPLAY | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| 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 | 1280 x 720 pixels | ASUS ZenFone Zoom (ZX551ML) has better screen resolution than HTC Desire 825. |
| Display Format | Full HD | HD | |
| Pixel Density | 401 ppi | 267 ppi | ASUS ZenFone Zoom (ZX551ML) has better pixel density than HTC Desire 825. |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Display colour personalisation | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| Processor Type (CPU) | Intel Atom | Qualcomm Snapdragon 400 | |
|---|---|---|---|
| Processor Number | Z3590 | - | |
| Clock Speed | 2.5 GHz | 1.6 GHz | ASUS ZenFone Zoom (ZX551ML) has higher clock speed than HTC Desire 825. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| RAM | 4 GB | 2 GB | ASUS ZenFone Zoom (ZX551ML) has more RAM than HTC Desire 825. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | ASUS ZenFone Zoom (ZX551ML) has more internal memory than HTC Desire 825. |
| User Memory | - | 10.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| 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/2.2 | HTC Desire 825 has better lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | ASUS ZenFone Zoom (ZX551ML) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | 3x | - | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama | Panorama, Continuous shot | |
| Face Recognition (Face ID) | Face detection | - | ASUS ZenFone Zoom (ZX551ML) has face detection. |
| Light Source | Dual LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | - | BSI-CMOS | |
| Lens Aperture (Front) | F/2.0 | F/2.8 | ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML). |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Tap to focus, Auto selfie (smile selfie, still selfie) | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | - | Voice selfie, Self timer up to 10 seconds |
| BATTERY AND CHARGING | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2700 mAh | ASUS ZenFone Zoom (ZX551ML) has larger battery capacity than HTC Desire 825. |
|---|---|---|---|
| Standby Time | - | 672 hours | |
| Talk Time | - | 1440 minutes | |
| Run Time Details | - | Talk (WCDMA): up to 1440 min Standby (WCDMA): up to 672 hrs Active online usage (Wi-Fi): up to 7 hrs Playback (audio): up to 48 hrs Playback (HD video): up to 6 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| 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 |
| COMMUNICATIONS | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 40 | |
| 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.1 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | ASUS ZenFone Zoom (ZX551ML) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A | |
|---|---|---|---|
| Supported Digital Video Standards | - | AVI, MPEG-4, WMV, 3GP, 3G2 | |
| Sound Enhancements | - | HTC BoomSound |
| FEATURES | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| 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, ambient light sensor, proximity sensor, digital compass | |
| Additional Phone Features | Multitasking | HTC BlinkFeed, Power Saving Mode, Dual noise reduction microphones, Android Sensor Hub, Dolby Audio |
| OTHERS | ASUS ZenFone Zoom (ZX551ML) | HTC Desire 825 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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