In depth comparison and review of HTC One A9S 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 One A9S | Vivo X20 Plus UD |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 146.49 mm | 155.3 mm | Vivo X20 Plus UD has greater height than HTC One A9S. |
| Width | 71.5 mm | 80.1 mm | Vivo X20 Plus UD has greater width than HTC One A9S. |
| Depth | 7.99 mm | 7.5 mm | Vivo X20 Plus UD is narrower than HTC One A9S. |
| Weight | 150 g | 181.5 g | HTC One A9S is lighter than HTC One A9S. |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | HTC One A9S | Vivo X20 Plus UD |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super LCD | Super AMOLED | |
| Screen Size (Display Size) | 5" | 6.43" | Vivo X20 Plus UD has larger screen size than HTC One A9S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2160 x 1080 pixels | Vivo X20 Plus UD has better screen resolution than HTC One A9S. |
| Display Format | HD | - | |
| Pixel Density | 294 ppi | 376 ppi | Vivo X20 Plus UD has better pixel density than HTC One A9S. |
| Colour Depth | - | 16.7 million colours | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | HTC One A9S | Vivo X20 Plus UD |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Processor Number | - | MSM8956 | |
| Clock Speed | - | 2.2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | HTC One A9S has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 512 |
| MEMORY | HTC One A9S | Vivo X20 Plus UD |
|---|
| RAM | 2 GB | 4 GB | Vivo X20 Plus UD has more RAM than HTC One A9S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Vivo X20 Plus UD has more internal memory than HTC One A9S. |
| User Memory | 10.2 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | HTC One A9S | Vivo X20 Plus UD |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | HTC One A9S has better camera resolution than Vivo X20 Plus UD. |
| Sensor Type | BSI | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.8 | Vivo X20 Plus UD has better lens aperture than HTC One A9S. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | HTC One A9S has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 28.3 mm | - | |
| Self-Timer Delay | 0 - 10 sec | - | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, Pro mode, HYPERLAPSE, RAW mode | Panorama | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, HTC Zoe, Video Pic | Geotagging |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 12 Megapixel | Vivo X20 Plus UD has better front camera resolution than HTC One A9S. |
| Sensor Type (Front) | BSI | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.8 | F/2.0 | Vivo X20 Plus UD has better front lens aperture than HTC One A9S. |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | Live make-up | - | |
| Camera Modes (Front) | Auto selfie (smile selfie, still selfie) | - | |
| Face Recognition (Face ID) | Face detection | - | HTC One A9S has face detection. |
| Light Source (Front) | - | Flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) | |
| Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | - |
| BATTERY AND CHARGING | HTC One A9S | Vivo X20 Plus UD |
|---|
| Battery Capacity (Battery Size) | 2300 mAh | 3900 mAh | Vivo X20 Plus UD has larger battery capacity than HTC One A9S. |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 786.6 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 786.6 min Standby (WCDMA): up to 432 hrs |
- | |
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | HTC One A9S | Vivo X20 Plus UD |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| 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 | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS |
| COMMUNICATIONS | HTC One A9S | Vivo X20 Plus UD |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 7, Band 8, Band 20 | 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 2600, FDD 900, FDD 800 DD | 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 | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | - | A2DP | |
| NFC | Yes | - | HTC One A9S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC One A9S | Vivo X20 Plus UD |
|---|
| Supported Digital Audio Standards | WAV, MP3, OGG, MKA, M4A, 3GA, MP4, MID | WAV, MP3, FLAC, eAAC+ | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, WMV, 3GP, TS, WebM, 3G2 | MPEG-4, H.264 | |
| Sound Enhancements | HTC BoomSound | Hi-Fi Sound support |
| FEATURES | HTC One A9S | Vivo X20 Plus UD |
|---|
| 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, G-sensor | Accelerometer, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Wi-Fi Miracast, Dual microphones, HTC Connect, HTC Freestyle Layout | Multitasking, Active noise-cancellation |
| OTHERS | HTC One A9S | Vivo X20 Plus UD |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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