16points

BLU D440

34points

Cat S30

81points

Samsung Galaxy S7 edge (Exynos 8890 Octa)

92points

Samsung Galaxy S9

BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Comparison winner
Samsung Galaxy S9
vs
vs
vs

138 facts in comparison

BLU D440 vs Cat S30 vs Samsung Galaxy S7 edge (Exynos 8890 Octa) vs Samsung Galaxy S9

BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

Why is BLU D440 better than Cat S30 & Samsung Galaxy S7 edge (Exynos 8890 Octa) & Samsung Galaxy S9?

  • Weight
    145gvs181,157,163g
  • Has a radio
  • Width
    67mmvs72.74,72.6,68.7mm
  • Height
    133mmvs141.9,150.9,147.7mm

Why is Cat S30 better than BLU D440 & Samsung Galaxy S7 edge (Exynos 8890 Octa) & Samsung Galaxy S9?

  • Has out-of-order execution

Why is Samsung Galaxy S7 edge (Exynos 8890 Octa) better than BLU D440 & Cat S30 & Samsung Galaxy S9?

  • Thickness
    7.7mmvs10.8,13.25,8.5mm
  • Volume
    84.36cm³vs96.2388,136.7639295,86.249415cm³
  • Has AF tracking
  • Shoots raw

Why is Samsung Galaxy S9 better than BLU D440 & Cat S30 & Samsung Galaxy S7 edge (Exynos 8890 Octa)?

  • Pixel density
    570ppivs245,218,534ppi
  • Screen size
    5.8"vs4.5,4.5,5.5"
  • Resolution
    1440 x 2960pxvs540 x 960,480 x 854,1440 x 2560px
  • Front camera megapixels
    8MPvs1.3,2,5MP
  • Has stereo speakers
  • Download speed
    1200MBits/svs21,150,450MBits/s
  • Video recording (main camera)
    2160 x 60fpsvs1080 x 30,1080 x 60,2160 x 30fps
  • Bluetooth version
    5vs4,4.1,4.2

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Top specs and features

relevant

Design

1.Is dustproof and water resistant
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

2.Weather sealed
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

3.weight

145g

181g

157g

163g

Best

Palm Phone

62.5g

4.thickness

10.8mm

13.25mm

7.7mm

8.5mm

Best

Asus Zenfone AR 64GB

4.6mm

5.width

67mm

72.74mm

72.6mm

68.7mm

Best

Vertu Signature for Bentley

42mm

6.height

133mm

141.9mm

150.9mm

147.7mm

Best

Motorola FlipOut

67mm

relevant

Display

1.resolution

540 x 960px

480 x 854px

1440 x 2560px

1440 x 2960px

Best

Sony Xperia H8541

2160 x 4320px

2.pixel density

245ppi

218ppi

534ppi

570ppi

Best

Sony Xperia H8541

847ppi

3.has branded damage resistant glass
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

4.5"

4.5"

5.5"

5.8"

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

Best

Huawei Mate 20 X

7.2"

5.Has an AMOLED display
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

6.every pixel has three subpixels
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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.

relevant

Performance

1.Has integrated LTE
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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.Has integrated graphics
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

3.Uses big.LITTLE technology
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

Using big.LITTLE technology, a chip can switch between two sets of processor cores in order to maximise performance and battery life. For example, when playing a game the more powerful cores will be used to increase performance, whereas checking email will use the less powerful cores to maximise battery life.

4.Has out-of-order execution
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

5.RAM

1GB

1GB

4GB

4GB

Best

ZTE Nubia Red Magic Mars

10GB

6.Has AES
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

AES is used to speed up encryption and decryption.

relevant

Cameras

1.megapixels

5MP

5MP

12MP

12MP

Best

Huawei Mate 20 X

40 & 20 & 8MP

2.has built-in optical image stabilization
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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.Has laser autofocus
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

A laser autofocus system quickly determines the depth of the subject you want to focus on, allowing you to take photos much faster.

For example

Huawei Mate 20 X

4.video recording (main camera)

1080 x 30fps

1080 x 60fps

2160 x 30fps

2160 x 60fps

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

5.Has a dual-lens (or multi-lens) main camera
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

A dual-lens camera captures two images and overlays them. This technology creates sharper images, especially in low light conditions, and allows you to use effects such as softening the background.

For example

Kyocera DuraForce Pro 2

6.front camera megapixels

1.3MP

2MP

5MP

8MP

Best

Wiko View2 Pro

16 & 16MP

relevant

Audio

1.has stereo speakers
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

3.has a radio
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

It works as an FM radio with included headsets

4.has dedicated media keys
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

The music player can be blindly used.

For example

ZTE Nubia X

relevant

Battery

1.battery power

1800mAh

3000mAh

3600mAh

3000mAh

Best

Energizer Power Max P16K Pro

16000mAh

2.Has an ultra power save mode
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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.has a removable battery
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

For example

Blu Advance L4

4.wireless charging
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

5.Supports fast charging
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

An indicator shows you when the device has low battery.

relevant

Features

1.Is a multi-user system
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9
2.Has offline voice recognition
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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

3.Supports Java
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9
4.Allows app installs on the device's external storage
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9
5.Is free and open source
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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
BLU D440
Cat S30
Samsung Galaxy S7 edge (Exynos 8890 Octa)
Samsung Galaxy S9

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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