88points

HTC U12+

58points

Vivo X21 UD

Comparison winner
HTC U12+
Vivo X21 UD
vs
vs

152 facts in comparison

HTC U12+ vs Vivo X21 UD

HTC U12+
Vivo X21 UD
HTC U12+
Vivo X21 UD
88
points
58
points

Why is HTC U12+ better than Vivo X21 UD?

  • Has branded damage resistant glass
  • Every pixel has three subpixels
  • Is dustproof and water resistant
  • Has stereo speakers
  • Has built-in optical image stabilization
  • Has NFC
  • Is DLNA certified
  • Has an IPS screen

Why is Vivo X21 UD better than HTC U12+?

  • 4.67% bigger screen size
    6.28"vs6"
  • 64GB more internal storage
    128GBvs64GB
  • 31.8g lighter
    156.2gvs188g
  • 2.3mm thinner
    7.4mmvs9.7mm
  • Has a radio
  • 2.1mm shorter
    154.5mmvs156.6mm
  • Supports two SIM cards
  • Has an AMOLED display

Top specs and features

Design

1.Is dustproof and water resistant
HTC U12+
Vivo X21 UD

Dustproof/water resistant at depth equal to or greater than 1 meter.

2.Weather sealed
HTC U12+
Vivo X21 UD

Device is protected with extra seals to prevent failures due to any kind of weather.

3.weight

188g

156.2g

Best

Palm Phone

62.5g

4.thickness

9.7mm

7.4mm

Best

Asus Zenfone AR 64GB

4.6mm

5.width

73.9mm

74.8mm

Best

Vertu Signature for Bentley

42mm

6.height

156.6mm

154.5mm

Best

Motorola FlipOut

67mm

Display

1.resolution

1440 x 2880px

1080 x 2280px

Best

Sony Xperia H8541

2160 x 4320px

2.pixel density

537ppi

402ppi

Best

Sony Xperia H8541

847ppi

3.has branded damage resistant glass
HTC U12+
Vivo X21 UD

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.

4.screen size

6"

6.28"

The bigger the screen size is, the better the user experience.

Best

Huawei Mate 20 X

7.2"

5.every pixel has three subpixels
HTC U12+
Vivo X21 UD

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

6.Has an AMOLED display
HTC U12+
Vivo X21 UD

AMOLED displays, also known as active matrix OLED displays, offer higher refresh rates and consume less power than other types of displays.

Performance

1.Has integrated LTE
HTC U12+
Vivo X21 UD

The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.

2.RAM speed

1866MHz (Qualcomm Snapdragon 845)

1866MHz (Qualcomm Snapdragon 660)

It can support faster memory, which will give quicker system performance.

Best

Alcatel 7

3200MHz

3.Has integrated graphics
HTC U12+
Vivo X21 UD

With integrated graphics you don’t need to buy a separate graphics card.

4.CPU threads

4 (Qualcomm Snapdragon 845)

8 (Qualcomm Snapdragon 660)

More threads result in faster performance and better multitasking.

Best

Samsung Galaxy J5 Pro 16GB

8

5.Has out-of-order execution
HTC U12+
Vivo X21 UD

Out-of-order execution is used in CPUs to make use of instruction cycles that would normally be wasted due to delays.

6.maximum memory bandwidth

29.9GB/s (Qualcomm Snapdragon 845)

7.45GB/s (Qualcomm Snapdragon 660)

This is the maximum rate that data can be read from or stored into memory.

Best

Sony Xperia XZ2 Dual SIM

29.9GB/s

Cameras

1.megapixels

16MP & 12MP

12MP & 5MP

Best

Huawei Mate 20 X

40 & 20 & 8MP

2.has built-in optical image stabilization
HTC U12+
Vivo X21 UD

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.

3.video recording (main camera)

2160 x 60fps

1080 x 30fps

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

Best

Crosscall Trekker-X4

1080 x 120fps

4.front camera megapixels

8MP & 8MP

12MP

Best

Wiko View2 Pro

16 & 16MP

5.widest aperture

f/1.4 & f/2.6

f/2.4 & f/1.8

With a wider aperture the sensor can capture more light, helping to avoid blur by enabling a faster shutter speed. It also provides a shallow depth of field, allowing you to blur the background to focus attention on the subject.

Best

Vivo NEX 2

1.3 & 1.8 & 1.8f

6.pixel size

1µm

1.4µm

The pixel size measures the length of the individual photodetectors (pixels) in the image sensor. Larger pixels can capture more light, providing better image quality and improved low-light performance.

Best

Meizu 16 (64GB / 6GB RAM)

1 & 1.55µm

Audio

1.has stereo speakers
HTC U12+
Vivo X21 UD

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has a socket for a 3.5 mm audio jack
HTC U12+
Vivo X21 UD

With a standard mini jack socket, you can use the device with most headphones.

3.number of microphones

2

2

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Motorola Moto Z3

4

4.has a radio
HTC U12+
Vivo X21 UD

It works as an FM radio with included headsets

5.has dedicated media keys
HTC U12+
Vivo X21 UD

The music player can be blindly used.

For example

ZTE Nubia X

Battery

1.battery power

3500mAh

3200mAh

Best

Energizer Power Max P16K Pro

16000mAh

2.Has an ultra power save mode
HTC U12+
Vivo X21 UD

The device can save battery by using just a black-and-white screen with a few basic icons. This means even with a small amount of battery, you can keep the device running for a long time.

For example

Oppo A7

3.wireless charging
HTC U12+
Vivo X21 UD

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

For example

Kyocera DuraForce Pro 2

4.has a removable battery
HTC U12+
Vivo X21 UD

The battery is removable and can be replaced by the user if broken.

For example

Blu Advance L4

5.Supports fast charging
HTC U12+
Vivo X21 UD

Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

6.has a battery level indicator
HTC U12+
Vivo X21 UD

An indicator shows you when the device has low battery.

Features

1.Is a multi-user system
HTC U12+
Vivo X21 UD
2.Has offline voice recognition
HTC U12+
Vivo X21 UD

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

3.Supports Java
HTC U12+
Vivo X21 UD
4.Allows app installs on the device's external storage
HTC U12+
Vivo X21 UD
5.Is free and open source
HTC U12+
Vivo X21 UD

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

6.Has sharing intents
HTC U12+
Vivo X21 UD

If an app has sharing capabilities and the developers have indicated it, the app will automatically appear in your list of sharing options. Some OS’s limit direct sharing options to a select few apps, which means you have to open apps separately in order to upload the files you want to share.

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