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Comparison Iiyama G-Master GB2590HSU-B5 24.5 " black vs Iiyama G-Master GB2590HSU-B1 25 " black

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Iiyama G-Master GB2590HSU-B5 24.5 "  black
Iiyama G-Master GB2590HSU-B1 25 "  black
Iiyama G-Master GB2590HSU-B5 24.5 " blackIiyama G-Master GB2590HSU-B1 25 " black
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Product typegaminggaming
Size24.5 "25 "
Screen
Panel typeIPSIPS
Surface treatmentmattematte
Resolution1920x1080 (16:9)1920x1080 (16:9)
Pixel size0.28 mm0.28 mm
Response time (GtG)3 ms
Response time (MPRT)0.4 ms
Refresh rate240 Hz240 Hz
Vertical viewing angle178 °178 °
Horizontal viewing angle178 °178 °
Brightness400 cd/m²400 cd/m²
Static contrast1 000:11 000:1
Dynamic Contrast80 000 000:180 000 000:1
Colour depth16.7 million colours (8 bits)16.7 million colours (8 bits)
HDRDisplayHDR 400DisplayHDR 400
Connection
Video transmission
DisplayPort v 1.4
1xHDMI
v 2.0
DisplayPort v 1.4
1xHDMI
v 2.0
Connectors (optional)
mini-Jack output (3.5 mm)
mini-Jack output (3.5 mm)
Features
Features
Flicker-Free
AMD FreeSync Premium
Flicker-Free
AMD FreeSync Premium
Portrait pivot
Screen swivel
Height adjustment
Speakers
Sound power
4 W /2x2W/
4 W /2x2W/
USB hub 3.x
 /2/
 /2/
Fast charge
Game Features
brighten darker areas /Black Tuner/
 
General
Wall mountVESA 100x100mmVESA 100x100mm
Power consumption25 W25 W
Dimensions (WxHxD)
558x383x252 mm /with stand/
558x522x256 mm
Weight
4.7 kg /with stand/
4.6 kg
Color
Added to E-Catalogseptember 2023november 2021

Size

Diagonal size of the monitor matrix, in inches.

This parameter is one of the most important for any screen — it determines the total size of its working area. In general, it is believed that larger monitors are more comfortable: a large screen allows you to see a large fragment of text, images, etc. without having to scroll the "picture". On the other hand, the diagonal directly affects the dimensions, weight and cost of the monitor. In addition, it is worth remembering that screens with the same diagonal can have different aspect ratios and different specializations: for example, widescreen models are convenient for playing games and watching movies, while classic 4:3 or 5:4 solutions are preferable for working with documents. Now there are monitors of different diagonals on the market, among them the most popular are: 19–20", 22", 23 – 24", 25 – 26", 27 – 28", 29 – 30", 32", 34" and more.

Response time (GtG)

The time each individual pixel on the monitor takes to switch from one state to another. The lower the response time, the faster the matrix responds to the control signal, resulting in less delay and better image quality in dynamic scenes.

Note that in this case, the gray-to-gray method is used (the time it takes to switch from 10% gray to 90% gray). Pay attention to this parameter if the monitor is specifically purchased for fast-paced games, movie watching, or other applications involving quick screen movements. However, there’s no need to chase the fastest models. It’s not often possible to discern the difference between 1 ms and 5 ms. For most scenarios, monitors with a 4 ms response time will suffice. In any case, it’s best to rely on live impressions for a true comparison.

Response time (MPRT)

The parameter expresses how long an object moving in the frame is displayed on the screen until it completely disappears. The lower this indicator, the more realistic dynamic scenes look on the monitor. The reaction of the matrix to movements clearly shows the time of existence of the trail from the changing picture. The MPRT parameter is more dependent on the refresh rate of the monitor screen than on the pixel response time. To reduce its value, the Motion Blur Reduction (MBR) function is often used, which briefly turns off the backlight at the end of the time of dynamic frames in order to increase the clarity of dynamic scenes.

Screen swivel

The presence of a swivel stand in the design of the monitor allows you to change not only the angle of the screen (of course everyone has it), but also its rotation to the right and left. The angle of rotation depends on the model, but anyway, even a slight deviation allows you to quickly adjust the position of the monitor to your needs.

Game Features

Aim. The ability to display crosshairs on the screen (usually in the centre) — moreover, due to the operation of the monitor itself, regardless of the game settings. This feature can be useful in some "shooters" — for example, if the game itself does not have a traditional crosshair and accurate shooting is possible only when using sights on weapons, or if some types of weapons do not provide crosshairs at all. On many monitors, the shape and/or colour of the crosshairs can be selected from several options.

Timer. Possibility to display time counter on the screen. This feature is designed mainly for real-time strategy, although it can be useful in other cases — for example, if a gamer tends to get carried away and forget that you need to stop the game in time. Usually, the timer scale is made translucent — this provides good visibility and at the same time does not interfere with the process.

FPS display. The ability to display the current frame rate on the monitor right during the game. This function allows you to control the load on the video adapter and makes it easier to select the optimal detail settings so that the game does not turn into a “slideshow” and at the same time the picture remains more or less high-quality. Note that the ability to display FPS is available in some games, but for a full guarantee it is better to have such a tool...in the monitor itself.

Highlighting dark areas. A function that allows you to increase the brightness of certain dark areas on the screen without "highlighting" the rest of the image. One of the most popular ways to use this feature is to detect enemies hiding in dark places.