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Comparison Samsung QE-49Q77R 49 " vs Samsung QE-49Q70R 49 "

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Samsung QE-49Q77R 49 "
Samsung QE-49Q70R 49 "
Samsung QE-49Q77R 49 "Samsung QE-49Q70R 49 "
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Main
Quantum 4K processor, Ambient Mode. AirPlay 2 support. Bixby voice assistant support. Support for AMD FreeSync Technology
Size49 "49 "
Operating systemSmart TV (proprietary system)Smart TV (proprietary system)
CPUSamsung Quantum 4KSamsung Quantum 4K
Display
MatrixQLEDQLED
Backlight typeFALDFALD
Screen surfaceanti-glareanti-glare
Resolution3840x2160 px3840x2160 px
Upscalingup to 4Kup to 4K
Brightness1000 cd/m²
Frame rate120 Hz60 Hz
HDR supportHDR10+HDR10+
Brightness / contrast enhancement
 /Contrast Enhancer/
 /Contrast Enhancer/
AMD compatibleAMD FreeSyncAMD FreeSync
Multimedia
Sound power40 W40 W
Number of speakers22
Subwoofer
 /1x20 W/
Audio decodersDolby Digital PlusDolby Digital Plus
Digital tuner
DVB-T2 (terrestrial)
DVB-C (cable)
DVB-S2 (satellite)
DVB-T2 (terrestrial)
DVB-C (cable)
DVB-S2 (satellite)
Features
Features
AirPlay 2
Wi-Fi 5 (802.11ac)
Miracast
Bluetooth
voice control
Amazon Alexa
Google Assistant
Bixby
AirPlay 2
Wi-Fi 5 (802.11ac)
Miracast
Bluetooth
voice control
Amazon Alexa
Google Assistant
Bixby
Connectors
HDMI44
Additional inputs
USB
LAN
USB
LAN
Outputs
optical
optical
General
Wall mountVESA 200x200 mmVESA 200x200 mm
Power consumption116 W180 W
Energy efficiency classBB
Dimensions (WxHxD)
1095x708x248 mm /with stand/
1095x708x248 mm /with stand/
Dimensions without stand (WxHxD)1095x633x63 mm1095x633x63 mm
Weight
14.1 kg /with stand/
14.1 kg /with stand/
Color
Added to E-Catalogapril 2019march 2019

Brightness

The maximum brightness of the image provided by the TV screen.

The image on the screen should be bright enough so that you do not have to strain your eyes unnecessarily to view it. However, too high brightness is undesirable — it will also lead to fatigue. The optimal brightness level depends on the surrounding conditions: the more intense the ambient light, the brighter the TV screen should be. So, on a sunny day, the screen may have to be “turned up” to the maximum, and in the evening, in dimmed light, a relatively dim image will be more comfortable. In addition note that large screens require higher brightness, since they are designed for a greater distance from the viewer.

Thus, the higher the number in this paragraph, the greater the margin of brightness this model has, the better it will show itself in intense ambient light. The lowest indicator sufficient for more or less comfortable viewing in any conditions is 300 cd/m² for models with a diagonal of up to 32", 400 cd/m² for models in the range of 32 – 55" and 600 cd/m² for large screens of 60" and more. In this case, the brightness margin anyway will not be superfluous. But with lower indicators, you may have to darken the room somewhat for comfortable viewing.

Frame rate

The highest frame rate supported by the TV.

Note that in this case we are talking specifically about the screen’s own frame rate, without additional image processing (see “Index of dynamic scenes”). This frequency must be no lower than the frame rate in the video being played - otherwise there may be jerks, interference and other unpleasant phenomena that degrade the quality of the picture. In addition, the higher the frame rate, the smoother and smoother the movement in the frame will look, and the better the detail of moving objects will be. However, it is worth noting here that playback speed is often limited by the properties of the content, and not by the characteristics of the screen. For example, films are often recorded at a frequency of only 30 fps, or even 24 - 25 fps, while most modern TVs support frequencies of 50 or 60 Hz. This is enough even for viewing high-quality content in HD resolutions (speeds above 60 fps in such video are extremely rare), but there are also “faster” screens on the market: 100 Hz, 120 Hz and 144 Hz. Such speeds, as a rule, indicate a fairly high class of the screen; they also often imply the use of various technologies designed to improve the quality of dynamic scenes.

Power consumption

The electrical power normally consumed by the TV. This parameter strongly depends on the screen size and sound power (see above), however, it can be determined by other parameters — primarily additional features and technologies implemented in the design. It is worth noting that most modern LCD TVs are quite economical, and most often this parameter does not play a significant role — in most cases, power consumption is about several tens of watts. And even large models with a diagonal of 70 – 90" consume about 200 – 300 W — this can be compared with the system unit of a low-power desktop PC.
Samsung QE-49Q77R often compared
Samsung QE-49Q70R often compared