Samsung UE55KU6500 or UE55KS7500

5 replies
Found 3rd Jan
Can you please tell me what is the difference between these two tv and whether Quantum Dot worth the extra cash?

Thanks in advance

Samsung UE55KU6500 Curved HDR 4K Ultra HD Smart TV, 55" with Freeview HD/ Freesat HD, Playstation Now & Active Crystal Colour
Price £699.00

Samsung UE55KS7500 Curved SUHD HDR 1,000 4K Ultra HD Quantum Dot Smart TV, 55” with Freeview HD/Freesat HD, Playstation Now & Branch Feet Design, UHD Premium
Price £1149.00

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5 Comments

Im not too sure of the benefits of quantum dot other than improved backlight and contrast but for that kind of money i would hold out for an OLED tv

Hi.

The Samsung UE55KU6500 uses an 8-bit colour panel, so although it maybe HDR ready, it wont be able to produce the intended colour range of true HDR.

The Samsung UE55KS7500 does have a 10-bit colour panel and along with quantum dot will have a much better quality picture.

LG are releasing a new technology called 'Nano Cells' which is meant to be a rival to quantum dot, so to answer your question, I would get the KS7500.

The KU6500 is not true HDR and the panel is not as good. Personally I wouldn't want to spend £700 on the older technology.

Hope that helps.
Edited by: "n00dles0up" 3rd Jan

Depends if you have a source that can make the most from the KS7500 like Sky Q,PS4 Pro or XBox One S they can make use of the newer tech in that model also bear in mind March is when you will start to see 2016 models being reduced further in price to make way for the 2017 range so it may be worth holding out a little longer there is definitely the potential for further savings.

n00dles0up

Hi.The Samsung UE55KU6500 uses an 8-bit colour panel, so although it … Hi.The Samsung UE55KU6500 uses an 8-bit colour panel, so although it maybe HDR ready, it wont be able to produce the intended colour range of true HDR.



Bit depth has nothing to do with colour range, it's the steps between shades. The KU6400 reproduces 91% of the DCI-P3 colour space which is close to what the KS7500 manages. The backlight and anything that modifies the frequencies of light it emits like the quantum dots are what determines maximum colour space, not the panel.

If the KU6400 is an 8-bit panel then it has dithering so you'll be hard pushed to see any difference between them in that area. Bit depth simply isn't an important factor at the moment.

The KS7500 is noticeably better at reproducing HDR for another reason though, namely the much higher peak brightness (1500 vs. 500 cd/m²) and a basic local dimming system.

It also has various general improvements including a 120hz panel (although it's motion handling reportedly isn't as good as competitors), a screen coating for reduced reflections and voice recognition.

If you want an HDR screen then I'd definitely go for the KS7500 as it'll give you more of a sense of the full HDR effect.

If you're rarely going to view HDR content then it's best considered a high end option - there will be some improvements to picture quality and some extra features but you're paying a lot for them. You may also want to consider the non-HDR KU6100, although that drops the smart remote.

Original Poster

Thank you very much guys for all your informative comments
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