In depth comparison and review of HTC U Ultra and ASUS ZenFone 5Z (ZS620KL). 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 | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS620KL | |
| Form Factor | Touch | Touch | |
| Height | 145.99 mm | 153 mm | ASUS ZenFone 5Z (ZS620KL) has greater height than HTC U Ultra. |
| Width | 72.9 mm | 75.65 mm | ASUS ZenFone 5Z (ZS620KL) has greater width than HTC U Ultra. |
| Depth | 7.99 mm | 7.7 mm | ASUS ZenFone 5Z (ZS620KL) is narrower than HTC U Ultra. |
| Weight | 145 g | 155 g | HTC U Ultra is lighter than HTC U Ultra. |
| Body Colour | Brilliant black | Midnight blue | Meteor silver | |
| Body Material | Metal | Aluminium | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.48 W/kg (body), 0.4 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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 | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD | IPS+ | |
| Screen Size (Display Size) | 5.2" | 6.2" | ASUS ZenFone 5Z (ZS620KL) has larger screen size than HTC U Ultra. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2246 x 1080 pixels | ASUS ZenFone 5Z (ZS620KL) has better screen resolution than HTC U Ultra. |
| Display Format | Full HD | - | |
| Pixel Density | 428 ppi | 402 ppi | HTC U Ultra has better pixel density than ASUS ZenFone 5Z (ZS620KL). |
| Aspect Ratio | - | 18:5:9 | |
| Max Brightness | - | 550 cd/m² | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | DCI-P3 Wide colour gamut, Auto Colour Temperature, Smart Screen On | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating |
| PROCESSOR | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 845 | |
|---|---|---|---|
| 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 630 |
| MEMORY | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | ASUS ZenFone 5Z (ZS620KL) has more RAM than HTC U Ultra. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | ASUS ZenFone 5Z (ZS620KL) has more internal memory than HTC U Ultra. |
| User Memory | 22.8 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | HTC U Ultra has better camera resolution than ASUS ZenFone 5Z (ZS620KL). |
| Sensor Size | - | 1/2.55" | |
| Sensor Type | BSI | - | |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | ASUS ZenFone 5Z (ZS620KL) has better lens aperture than HTC U Ultra. |
| 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 | - | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 28 mm | - | |
| Special Effects | - | Night HDR | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode | Panorama, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, Real-Time Beautification, Real-time Protrait, Time Lapse (with power saving mode) | |
| Face Recognition (Face ID) | Face detection | - | HTC U Ultra has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Video Pic | Dual Pixel technology, Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, RAW image capture, 4-axis optical image stabilisation, Instant cameras switching, Live Emoji, 8 filters, AI Photo Learning, 32s long exposure |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Camera Features (2nd Camera) | - | 3-axis electronic image stabilisation |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | HTC U Ultra has better front camera resolution than ASUS ZenFone 5Z (ZS620KL). |
| 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 | Automatic | - | |
| Min Focal Length (Front) | 26.5 mm | - | |
| Special Effects (Front) | Live make-up | Night HDR | |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | Beauty mode, Auto mode, selfie panorama, GIF animation function | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | PixelMaster camera, Electronic Image Stabiliser (EIS), 8 filters |
| BATTERY AND CHARGING | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 3300 mAh | ASUS ZenFone 5Z (ZS620KL) has larger battery capacity than HTC U Ultra. |
|---|---|---|---|
| Fast Charging Technology | - | BoostMaster Fast Charging | ASUS ZenFone 5Z (ZS620KL) has fast charging technology. |
| 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 | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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 9.0 Pie | |
| User Interface | HTC Sense | ASUS ZenUI 5.0 | |
| Intelligent Assistant | HTC Sense Companion | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-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 | - | |
| 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 802.11ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | - | A2DP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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 | ASUS BoostMaster technology, Hi-Res audio, DTS Headphone:X |
| FEATURES | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | 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 | Face Unlock, AudioWizard, NXP Smart AMP technology, ASUS Noise Reduction technology, Google Drive Storage (100 GB) (free for 1 year), Dual Smart AMP, Dual noise-cancelling microphones, AI Charging, AI Boost, ZeniMoji |
| OTHERS | HTC U Ultra | ASUS ZenFone 5Z (ZS620KL) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable, ASUS ZenEar S Hi-Res earphone with microphone |
|---|
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