The Samsung RU7100 is the cheapest 4K model of the Korean brand’s 2019 lineup. It is available in 7 different sizes form 40 to 75 inches. The budget TV offers a decent picture quality in dark lighting conditions. There are some drawbacks concerning the viewing angle, smart tv features and bright room performance.
Simple Design of the RU7100
Despite lacking more expensive materials the build quality is solid. To reduce costs the tv is almost entirely made out of plastic. The two legs are rather far apart, yet provide a secure stand. Cable management is provided by grooves on the back and clips at both legs.
Compared to its predecessor, the NU7100, not much has changed except for the location of the inputs. Some of the RU7100’s inputs (Ethernet & analog inputs) are facing backwards which can cause problems when wall-mounting it.
Good SDR picture quality
The RU7100 has a VA-LCD The panel is the actual screen of a television. There is different types of panels like OLED, LCD or Micro LED and different sub-types of LCD like VA or IPS. which produces deep blacks and a high native contrast ratio of more than 5600:1. The brightness isn’t sufficient enough to overcome glare in bright rooms though.
Frame Rate Control (FRC) enables the 8 The color depth is measured in Bit. 8 Bit stands for 28 different values for each color channel, for TVs those are red, green and blue. By combining the 3 rgb channels 28*28*28=16.777.216 colors are possible. HDR10 or the dynamic HDR formats work with 10 or even 12 Bit. Panel to display a 10 Bit The color depth is measured in Bit. 8 Bit stands for 28 different values for each color channel, for TVs those are red, green and blue. By combining the 3 rgb channels 28*28*28=16.777.216 colors are possible. HDR10 or the dynamic HDR formats work with 10 or even 12 Bit.. Colors and gradients do look uniform. Without a wide color gamut the color volume is limited. With there being no local dimming as well, the effect of High Dynamic Range - image/video with more dynamic range (contrast range) is feeble. This is why the TV supporting HDR10 Media Profile - HDR with a color depth of 10 Bit in the Rec. 2020 colorspace, License-free, dynamic HDR-format in competition with Dolby Vision and HLG or Hybrid Log Gamma facilitates the transmission and reception of signals by combining the SDR and HDR signals. If the device supports HDR, the HDR part of the signal is used, otherwise the SDR part. doesn’t add much. On the other hand Standard Dynamic Range - image/video with a conventional gamma curve (opposite: HDR) - "normal" videos material looks quite good.
A downside of the VA-Panel is the narrow viewing angle. So in conclusion you should not be facing the screen at an angle and have few light sources in the room.
Few blur trails
Compared to 2018’s NU7100 the Time it takes for a pixel to change color decreased from 10ms to decent 8ms. This results in very few blur trails of fast moving objects like a football. Sadly the 50~60Hz Panel is not able to remove Inconsistent time frame due to the input frequency not mismatching the TV's frequency (e.g. 24p via 60Hz) from 24Hz sources. Luckily it is rare to notice (e.g. long panning shots).
RU7100: the budget gaming tv
For the average gamer the RU7100 should be a good choice. Due to the input lag being less than 11ms the controls feel very responsive. The more advanced gaming features like Variable Refresh Rate with AMD graphics cards or consoles can only be found on more expensive Samsung TVs upwards from the RU8000. Fortunately there are still analog video inputs which can be used for older gaming consoles.
Clear dialogues, no low bass
The 20W stereo-speakers produce a tolerable sound quality and can reach a certain volume loud enough for small and medium sized rooms. Voices and dialogues are very clear. Without a subwoofer the TV struggles with frequencies below 70Hz. So there is no thump in the low bass.
To improve sound quality significantly already a affordable soundbar will do the trick. Samsung does not support the Multi-channel-sound-system (Surround Sound) competing with Dolby Digital format and the RU7100 is not able to process dynamic surround sound like Object-based surround sound format with 3D-Sound from any direction.
Snappy and smart Samsung RU7100
The RU7100 runs on Samsung’s Tizen 5 OS. Yet not all features are available. It does support Apple AirPlay 2, Amazon Alexa and Google Assistant, but does not have Samsung’s own Bixby voice assistant. The TV has Bluetooth to connect with a soundbar but cannot connect wireless with a mouse or keyboard. If you want to use a keyboard, you’ll have to rely on the USB-connection. Finally it doesn’t have Personal Video Recorder, recording TV programs to a USB-Memory Device or Time-Shift and is lacking the more advanced features like Auto Low Latency Mode - Automatically detects connected consoles and keeps input lag as low as possible. and Samsung’s ambient mode.
Different variants of the Samsung RU7100
Samsung RU7300 Curved TV
The RU7300 is Samsung’s only Curved TV in its 2019 lineup. Apart from the screen being curved there is no difference to the RU7100. A curved display doesn’t increase picture quality so it is just a matter of taste.
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