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Comparison BenQ W5700 vs BenQ W2700

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BenQ W5700
BenQ W2700
BenQ W5700BenQ W2700
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Main
Support for DCI P3 colour gamut - 94%. Possibility of individual adjustment of a colour rendition. Using proprietary technology Cinematic Colour. Support for HDR-PRO technology. True 4K resolution.
Main functionhomehome
Lamp and image
Lamp model5J.JKC05.001
Service life4000 h4000 h
Service life (energy-saving)10000 h10000 h
Lamp power245 W245 W
Brightness ANSI Lumens1800 lm2000 lm
Dynamic contrast100 000:130 000:1
Colour rendering1.07 billion colours1.07 billion colours
Color gamut (sRGB, Rec.709)100 %
Colour gamut (DCI-P3)100 %94 %
Horizontal frequency15 – 102 kHz15 – 135 kHz
Frame rate23 – 120 Hz23 – 120 Hz
Projection system
TechnologyDLPDLP
Size0.47"
Real resolution3840x2160 px3840x2160 px
Image format support16:9, 4:3, 14:9, 16:1016:9, 4:3, 14:9, 16:10
HDR support
Projecting
Rear projection
Throw distance, min1.2 m
Throw distance, max5.1 m
Image size59 – 300 "30 – 200 "
Throw ratio1.36:1 – 2.18:11.13:1 – 1.47:1
Optical zoom1.6 x1.3 x
Zoom and focusmanualmanual
Lens shift
Keystone correction (vert), ±40 °30 °
Features
Features
3D support
3D support
Hardware
USB 2.032
Number of speakers12
Sound power5 W10 W
HDMI inputs22
HDMI versionv 2.0v 2.0
Audio connectors
3.5 mm input (mini-Jack)
3.5 mm output (mini-Jack)
optical
 
3.5 mm output (mini-Jack)
optical
Service connectors
COM port (RS-232)
USB (slave)
LAN (RJ-45)
COM port (RS-232)
USB (slave)
 
General
Noise level (nominal)32 dB30 dB
Noise level (energy-saving / quiet)26 dB28 dB
Power sourcemainsmains
Power consumption247 W350 W
Size (HxWxD)168x492x349 mm127x380x263 mm
Weight6.5 kg4.2 kg
Color
Added to E-Catalogjune 2019january 2019
Price comparison

Lamp model

The lamp model that the projector is designed for. Most projectors come with lamps included, so this information is not needed for normal use. But when looking for a spare lamp or replacement, information about model can be very useful: finding a spare part by the exact name is much easier than by general data like the brand of the projector.

Brightness ANSI Lumens

This parameter largely determines the ability of the projector to work in a well-lit room. For a dark room, 1000 lumens is enough to make the projection picture bright, rich, clear and understandable. But when working in a lit room, the projector will need at least 3500-4000 lumens. Do not confuse ANSI lumens with Peak lumens. These are two different brightness standards. To convert one type of brightness to another, you need to multiply Peak lumens by 10-12. The result will be an approximate value of ANSI Lumens.

However, experts do not recommend chasing high ANSI lumen brightness values. There are many professional projectors with brightness up to 3500 lm. The lower the brightness, the lower the power consumption, and at the same time, the life of the illuminator increases. Of course, if the projector will be installed in a work office or classroom where good lighting is required, it is recommended to purchase a model with ANSI Lumens brightness of 4000 lumens and more.

Dynamic contrast

The dynamic image contrast provided by the projector.

Dynamic contrast ratio is the ratio between the brightest white and darkest black colour that a projector can produce. Recall that the quality of colour reproduction and detailing depend on contrast, the higher this indicator, the lower the likelihood that details will be indistinguishable in bright or dark areas. However, dynamic contrast is a rather specific parameter. The fact is that when it is calculated, the brightest white at the maximum brightness settings and the darkest black at the minimum are taken into account. As a result, the figures in this column can be very impressive, but it is impossible to achieve such a contrast within one frame.

By introducing this parameter, the manufacturers went to a certain trick. However, this is not to say that dynamic contrast has nothing to do with image quality at all. Projectors can use automatic brightness control, in which the overall brightness, depending on the "picture" on the screen, can increase or decrease. This format of work is based on the fact that the human eye does not need too bright areas on a general dark background and very dark areas on a bright one, the image is normally perceived even without it. The maximum brightness difference achievable in this mode of operation is exactly what described by dynamic contrast.

Color gamut (sRGB, Rec.709)

Any color gamut is indicated as a percentage, but not relative to the entire variety of visible colors, rather relative to a specific color space (color model). This is because no modern screen can display all the colors visible to the human eye. Nevertheless, the larger the color gamut, the broader the capabilities of the projector, and the better its color reproduction quality.

Nowadays, sRGB is essentially the standard color model adopted for computer technology; for television, a similar standard in terms of parameters, Rec. 709, is used. These models are identical in terms of color range, and the percentage of coverage for them is the same. In the most advanced projectors, it can reach and even exceed 100%.

Colour gamut (DCI-P3)

Any color gamut is indicated as a percentage, but not relative to the entire variety of visible colors, rather to a conditional color space (color model). This is because no modern screen can display all the colors visible to the human eye. Nevertheless, the larger the color gamut, the wider the capabilities of the projector, and the better its color reproduction quality.

DCI-P3 is a professional color model mainly used in digital cinemas. It is significantly broader than the standard sRGB, which results in more accurate and high-quality colors. Consequently, the percentage values are lower—for example, 115% coverage in sRGB corresponds to approximately 90% coverage in DCI-P3. At the same time, supporting DCI-P3 is not cheap.

Horizontal frequency

Horizontal frequency supported by the projector.

This parameter is relevant when working with analogue video signal. In such a video, the image is formed line by line: each pixel in the line is highlighted in turn, then the next line is highlighted, and so on. The horizontal frequency describes how many times per second the backlight beam runs from edge to edge of the screen. For normal playback, the projector must support the same refresh rate as the input signal was recorded. However, most models support a fairly wide range of frequencies, and there are no problems with support. Also note that if you are not a professional, then when choosing a projector, it is quite possible to focus on the frame rate (see below) — this parameter is simpler and more intuitive, and support for a certain frame rate automatically means support for the corresponding line rate.

Size

The size of the panel/chip affects the depth and final quality of the image. The larger the panel/chip, the more light it is able to process, which means the picture will be clearer and more structured. The average projector has a sensor of 0.5-0.7″, advanced projectors use sensors of 1.2-1.5″ and more.

Throw distance, min

The closest distance to the screen that the projector can be used on. Typically, this is the minimum distance at which the image from the projector remains in focus.

This parameter is especially important if the device is to be placed at a small distance from the screen (for example, in a cramped room). Some modern projectors are able to work normally at a distance of 10 – 20 cm. Also note that the throw distances are determined primarily by the lens, and if the initial range of these distances does not suit you, perhaps the situation can be solved by replacing the optics.

Throw distance, max

The farthest distance from the screen that the projector can be used on. This is the maximum distance at which the image remains in focus and maintains acceptable brightness — at least enough for viewing in a darkened room on a high-quality screen.

It is necessary to choose according to this parameter taking into account the expected operating conditions and the distances to be dealt with. At the same time, it's ok to have a certain margin for the maximum distance — since, as already mentioned, it is usually indicated for an perfect screen and a darkened room, and such conditions are not always available. Also note that although the throw distances depend on the lens, not every projector with an interchangeable lens allows the installation of more "long-range" optics than the standard one — the device may simply not have enough brightness for an increased distance.
BenQ W5700 often compared
BenQ W2700 often compared