قالب وردپرس درنا توس
Home / Technology / HP 27xq: review, price and data sheet – LCD display for computers

HP 27xq: review, price and data sheet – LCD display for computers



With its 27-inch, 27-inch, 27-inch, quad-144 Hz, quad-band LCD screen, the HP 27xq monitor offers a great value for gamers. Is it really worth the 400 €?

The HP 27xq features a 27-inch TN Matte panel with a 2560 x 1440-pixel Quad HD definition. This model supports a refresh rate of 144 Hz and is also compatible with FreeSync technology between 48 and 144 Hz. The manufacturer specifies a response time of 1 ms and reduced viewing angles (170/160 °, classical values) for a model TN).

This monitor is the competitor of the AOC AG271QX, which is equipped with the same plate, sold a bit more expensive, but delivered with a connector and in particular ̵

1; as we will see – better calibrated and more

  HP-27xq-9. jpg
The HP Omnitrix 27xq Monitor is highlighted in green

The HP 27xq is a very discrete monitor for gamers . Black dominates on the majority of plastics and few green accents give a look Gaming . The 27-inch plate benefits from a matte finish that limits annoying reflections.

  HP-27xq-1.jpg
The edges of the image.

The screen edges are good and the surfaces are pretty good. There's nothing wrong with that and HP has a pretty good reputation thanks to his work experience.

  HP-27xq-6.jpg The back of the monitor gives no insight into a player monitor.

On the back, the monitor does not display its player page Simply no difference to a bureau monitor. We find that HP has skipped a cable-passing system. a simple hole in the foot would have done the trick. It will be for the next time …

  HP-27xq-7-l.jpg

Adjusting the height, inclination and pan for the portrait mode

It is possible to set the height to 10 cm and change the inclination between -4 ° and + 20 ° , The monitor also has a pivot point for switching to portrait mode, which is of little interest in a TN panel whose very limited angle makes this mode unusable. The various settings are carried out smoothly and noiselessly.

  HP-27xq-5.jpg
The monitor also offers a 360 ° rotation.

A rubber pad under the foot allows a complete 360 ​​° turn. This system turns the whole foot and is quite sensitive. For example, pressing the buttons on the OSD will rotate the monitor.

  HP-27xq-4.jpg
The Connectors

When we're used to this type of light connection on G-Sync monitors, FreeSYnc models are quite generous. The HP 27xq monitor therefore only has a DisplayPort 1.2 input, an HDMI 2.0 input and a headphone output. HP lacks a second HDMI port, built-in speakers, and a USB hub that would allow devices to be connected directly to the screen – providing AOC Agon AG271QX, its main competitor.

  HP-27xq-2.jpg
The main games : A green LED at the bottom of the screen.

Monitor Requires gaming HP still has a LED built into the base of the panel … Different lighting modes are suggested, but only one color: the green.

  HP-27xq-3.jpg
Four buttons for settings, one for power on

Four buttons on the bottom of the disk allow access to various settings and source changes. If the menus are clear, the navigation is awkward. Above all, the OSD does not allow access to all settings. For example, if we find the setting of brightness, contrast, overdrive, and color temperature, it is impossible to set the gamma value.

  HP-27xq-7-10.jpg The foot is more likely to be included for a model of 27 inches.

The HP 27xq is discreet on our 140 x 60 cm desk. The 21.6 cm deep foot leaves plenty of room for the keyboard and mouse. The definition of Quad HD on this diagonal of 27 inches makes it possible to use a larger workstation in the office, but ultimately has little interest in games. We find the Quad HD definition more suitable for a 32-inch model like the Samsung C32HG70. It may be suitable for those who are near their monitor and do not have enough backs for a 32-inch model. Running the latest 144 Hz games and pushing the details to the max (or almost) requires a mid-range, high-end, state-of-the-art graphics card.

This monitor consumes about 25 W at a white rate of 150 cd / m². The relative consumption thus reaches 124 W / m², a value which is clearly above the average of the tested screens (100 W / m²) and is clearly above the value of the AOC AG271QX, which is limited to 21 W (80 W / m²) , At minimum brightness (37 cd / m²), the monitor consumes 16 watts and increases to a maximum of 44 watts (355 cd / m²).

  Adora color temperature (1)
Default setting: average gray temperature at 7,100 K.
  Gamma
Standard: gamma curve at 1.8
  Delta E
Standard: average delta E at 6, 3

When the work is delivered, the monitor displays an image that is far from perfect. The average temperature is 7,100 K, not far from the reference of 6,500 K, but with a curve that has no stability throughout the spectrum. The average gamma measured at 1.8 is very far from the reference value (2.2) and in particular the curve is not stable. Finally, the colors are not calibrated at all. We measured an average Delta E at 6.3. Keep in mind that the human eye can perceive the difference between the desired colors and the displayed colors after a Delta E of 3. The drifts are therefore clearly visible to the naked eye

  Color temperature (1)
Manual setting: average gray temperature at 7,060 K.
  Gamma
Manual setting: gamma curve at 1.9
  Delta E [19659040] Manual setting: average Delta E at 5.3 </em></span></div>
</div>
<p>  To calibrate the screen, we selected the film mode and then reduced the brightness to 37 to get a better picture and a white to 150 cd / m² on our test pattern. No other manual setting can improve things. The average temperature drops to 7,060 K, slightly closer to the reference of 6,500 K, but retains the same unstable profile. The gamma average is 1.9, but the curve remains the same. After all, the colors are slightly worse (Delta E at 5.3), but still not faithful enough. HP offers a temperature setting of "hot", but the average falls too low (5200 K) while maintaining the same slope. After all, there is no setting to increase the gamma. </p>
<div class=
  color temperature (1)
calibrated: average gray temperature at 6,560 K.
  gamma
calibrated: gamma curve at 2.0
  adora delta E
] Calibrated: average delta E at 3, 9

Rare enough on a monitor: The calibration on the probe does not correct all display errors. Finally, if the temperature curve is stable with a value very close to the reference value, this is not the case of the gamma value, which retains the same curve and still does not reach the target value. The colors are a bit better, but still can not be considered as true. We still offer the color profile via this link, but this screen is very far from perfection even during calibration.

Contrast

3640: 1

Even for a TN plate – whose contrast is naturally limited – the quality used by HP seems to be of low quality. We measured a contrast of only 620: 1, a very low value even for a TN model. In comparison, the AOC AG271QX – also equipped with a TN panel – shows a contrast of more than 900: 1. The HP monitor, which is far removed from the best TN models, is one thousand miles from the most high-contrast monitors such as the AOC Q3279VWF, the Textorm TX32 or the Philips BDM4037UW, which exceed a contrast ratio of 4,000: 1.

  HP-27xq-10.jpg
A normal monochrome color is displayed even from the front with a gradient. it is a defect of TN plates.

The average difference in luminosity homogeneity is measured over the entire 27-inch plate at only 5%; a benchmark that only a few monitors can reach. The model we tested was not affected by any turbidity phenomenon . This is not the same story regarding poor viewing angles as with all TN monitors. From the front, a uniform background with a gradient is displayed.

In this screen, the backlight system LEDs are managed (but this is not the case) by non-flicker-free pulse width modulation (PWM). There is therefore a risk of fibrillation if the brightness is reduced, which can lead to eye fatigue and headaches in the most sensitive persons. On the other hand, a mode for reducing the blue light is embedded, but it works through the software setting.

The HP 27xq monitor is compatible with FreeSync technology, which dynamically shifts the refresh rate of the display to the number of frames per second generated by the graphics card to avoid tearing the camera. Image ( Ripping ) and micro-slowdown ( stuttering ). The supported frequency range is quite large, since the FreeSync works here between 48 and 144 Hz. It is also supported by Nvidia graphics cards that have supported FreeSync / AdaptiveSync since the release of the GeForce 417.71 driver.

Reactivity

5 ms

The reactivity of 5 ms is excellent in absolute terms, but average for a TN panel. Some VA monitors such as the MSI Optix MAG271CR (5ms), the Samsung C32HG70, or the Iiyama G-Master G3266HS also achieve a duration of 5ms while providing better contrast and viewing angles. The best TN monitors come in 3 ms, like the Alienware AW2518HF or 3.5 ms for the Acer Predator XB252Q, XB272 and BenQ Zowie XL2540. This value of 5 ms is obtained with a setting of Overdrive to "Level 4" without showing an effect of Reverse Ghosting .

We measured the delay on the display ( input delay ) at 9.7 ms. There is therefore no discernible discrepancy between sending the image through the graphics card and displaying it on the screen.


Source link