In depth comparison and review of ASUS ZenFone 2 Deluxe (ZE551ML) and HTC U Ultra. 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 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE551ML | - | |
| Form Factor | Touch | Touch | |
| Height | 152.5 mm | 145.99 mm | ASUS ZenFone 2 Deluxe (ZE551ML) has greater height than HTC U Ultra. |
| Width | 77.2 mm | 72.9 mm | ASUS ZenFone 2 Deluxe (ZE551ML) has greater width than HTC U Ultra. |
| Depth | 10.9 mm | 7.99 mm | HTC U Ultra is narrower than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Weight | 170 g | 145 g | HTC U Ultra is lighter than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Body Colour | Purple | White | Brilliant black | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.332 W/kg (body), 0.351 W/kg (head) | 0.48 W/kg (body), 0.4 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 USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | Super LCD | |
| Screen Size (Display Size) | 5.5" | 5.2" | ASUS ZenFone 2 Deluxe (ZE551ML) has larger screen size than HTC U Ultra. |
| 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 | 403 ppi | 428 ppi | HTC U Ultra has better pixel density than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Display Enhancement Technology | Native Damage Resistance technology | - | |
| Display Features | ASUS Glove Touch technology | - | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Processor Type (CPU) | Intel | MediaTek Helio P10 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | Quad-core | 8-core | HTC U Ultra has higher processor core quantity than ASUS ZenFone 2 Deluxe (ZE551ML). |
| 64-bit Architecture | - | Yes | HTC U Ultra has 64-bit architecture. |
| Graphics System (GPU) | PowerVR G6430 | - |
| MEMORY | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| RAM | 4 GB | 3 GB | ASUS ZenFone 2 Deluxe (ZE551ML) has more RAM than HTC U Ultra. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 2 Deluxe (ZE551ML) has more internal memory than HTC U Ultra. |
| User Memory | - | 22.8 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | HTC U Ultra has better camera resolution than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Sensor Type | - | BSI | |
| Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
| Lens Construction | 5-element | - | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | HTC U Ultra has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | - | 28 mm | |
| HDR Mode | Super HDR | Auto HDR mode | |
| Camera Modes | Night mode, manual mode, Beauty mode, Auto mode, super resolution mode | Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode | |
| Face Recognition (Face ID) | - | Face detection | HTC U Ultra has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Zero Shutter Lag, Blue Glass Infrared Filter | Phase Detect Auto-Focus (PDAF), Video Pic |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | HTC U Ultra has better front camera resolution than ASUS ZenFone 2 Deluxe (ZE551ML). |
| Sensor Type (Front) | - | BSI | |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | Automatic | |
| Min Focal Length (Front) | - | 26.5 mm | |
| Special Effects (Front) | - | Live make-up | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | Selfie panorama | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | - | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds |
| BATTERY AND CHARGING | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2500 mAh | ASUS ZenFone 2 Deluxe (ZE551ML) has larger battery capacity than HTC U Ultra. |
|---|---|---|---|
| Standby Time | - | 427.54 hours | |
| Talk Time | - | 912 minutes | |
| Run Time Details | - | Talk (3G): up to 912 min Standby (3G): up to 427.54 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| 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 | HTC Sense | |
| Intelligent Assistant | - | HTC Sense Companion | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS |
| COMMUNICATIONS | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| NFC | - | Yes | HTC U Ultra has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, MP3, FLAC, OGG, M4A, MID | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, MPEG-4, 3GP, TS, WebM | |
| Sound Enhancements | - | HTC BoomSound Hi-Fi Edition |
| FEATURES | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Kids Mode, ASUS TruVivid technology, Power Saving Mode, AudioWizard, ASUS BoostMaster technology, ASUS WebStorage (5GB) | AirPlay wireless streaming, sharing media via DLNA, Wi-Fi Miracast, Noise Cancellation Technology, Flip to Mute function, Power Saving Mode, Wi-Fi Calling, Pocket mode, Hi-Res Audio, Motion Launch, Android Sensor Hub, HTC Connect, Extreme power saving mode, Hi-Res audio stereo recording, HTC Usonic, Quiet ring on pick up |
| OTHERS | ASUS ZenFone 2 Deluxe (ZE551ML) | HTC U Ultra |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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