In depth comparison and review of HTC U Ultra and Vivo X20 Plus UD. 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 | Vivo X20 Plus UD |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 145.99 mm | 155.3 mm | Vivo X20 Plus UD has greater height than HTC U Ultra. |
Width | 72.9 mm | 80.1 mm | Vivo X20 Plus UD has greater width than HTC U Ultra. |
Depth | 7.99 mm | 7.5 mm | Vivo X20 Plus UD is narrower than HTC U Ultra. |
Weight | 145 g | 181.5 g | HTC U Ultra is lighter than HTC U Ultra. |
Body Colour | Brilliant black | - | |
Body Material | Metal | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.48 W/kg (body), 0.4 W/kg (head) | - | |
Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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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 | Vivo X20 Plus UD |
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Display Type | LCD display | OLED display | |
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Display Technology | Super LCD | Super AMOLED | |
Screen Size (Display Size) | 5.2" | 6.43" | Vivo X20 Plus UD has larger screen size than HTC U Ultra. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Vivo X20 Plus UD has better screen resolution than HTC U Ultra. |
Display Format | Full HD | - | |
Pixel Density | 428 ppi | 376 ppi | HTC U Ultra has better pixel density than Vivo X20 Plus UD. |
Colour Depth | - | 16.7 million colours | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
PROCESSOR | HTC U Ultra | Vivo X20 Plus UD |
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Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 660 | |
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Processor Number | - | MSM8956 | |
Clock Speed | 2 GHz | 2.2 GHz | Vivo X20 Plus UD has higher clock speed than HTC U Ultra. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | HTC U Ultra has 64-bit architecture. |
Graphics System (GPU) | - | Qualcomm ADRENO 512 |
MEMORY | HTC U Ultra | Vivo X20 Plus UD |
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RAM | 3 GB | 4 GB | Vivo X20 Plus UD has more RAM than HTC U Ultra. |
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Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Vivo X20 Plus UD 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 256 GB |
CAMERA | HTC U Ultra | Vivo X20 Plus UD |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 2 | |
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Sensor Resolution | 16 Megapixel | 12 Megapixel | HTC U Ultra has better camera resolution than Vivo X20 Plus UD. |
Sensor Type | BSI | - | |
Lens Aperture | F/2.0 | F/1.8 | Vivo X20 Plus UD has better lens aperture than HTC U Ultra. |
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 | - | |
Special Effects | - | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode | Panorama | |
Face Recognition (Face ID) | Face detection | Face detection | Both phones have 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 | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Video Pic | Geotagging |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 5 Megapixel |
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FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 12 Megapixel | HTC U Ultra has better front camera resolution than Vivo X20 Plus UD. |
Sensor Type (Front) | BSI | - | |
Lens Type (Front) | 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 | - | |
HDR Mode (Front) | Auto HDR mode | - | |
Camera Modes (Front) | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | - | |
Light Source (Front) | - | Flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) | |
Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | - |
BATTERY AND CHARGING | HTC U Ultra | Vivo X20 Plus UD |
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Battery Capacity (Battery Size) | 2500 mAh | 3900 mAh | Vivo X20 Plus UD has larger battery capacity than HTC U Ultra. |
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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 |
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Battery Technology | - | Lithium Ion |
CELLULAR | HTC U Ultra | Vivo X20 Plus UD |
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Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 6.0 (Marshmallow) | Funtouch OS 3.2 (based on Android 7.1.1) | |
User Interface | HTC Sense | - | |
Intelligent Assistant | HTC Sense Companion | - | |
Navigation | GPS, GLONASS | GPS, A-GPS |
COMMUNICATIONS | HTC U Ultra | Vivo X20 Plus UD |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 8, Band 38, Band 39, Band 40, Band 41 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
Bluetooth Profiles | - | A2DP | |
NFC | Yes | - | HTC U Ultra has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | HTC U Ultra | Vivo X20 Plus UD |
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Supported Digital Audio Standards | WAV, AAC, MP3, FLAC, OGG, M4A, MID | WAV, MP3, FLAC, eAAC+ | |
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Supported Digital Video Standards | MKV, MPEG-4, 3GP, TS, WebM | MPEG-4, H.264 | |
Sound Enhancements | HTC BoomSound Hi-Fi Edition | Hi-Fi Sound support |
FEATURES | HTC U Ultra | Vivo X20 Plus UD |
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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 | |
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Sensors | Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor | Accelerometer, proximity sensor, digital compass | |
Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
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 | Multitasking, Active noise-cancellation |
OTHERS | HTC U Ultra | Vivo X20 Plus UD |
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Included Accessories | Power adapter | Power adapter |
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