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Samsung CF791 34in Quantum Dot Curved Monitor

A single press of the joystick calls up a quick menu. Push left to manually select the source. Press right for a picture-in-picture mode. Up summons the main menu whilst down turns the screen off.

If you don't initially press the joystick in, pressing left or right calls up a volume control for the built-in speakers or attached headphone. Pushing up or down provides rapid access to brightness, contrast and sharpness.

The full menu provides access to Picture, Picture in Picture, OnScreen Display, System and Information sub menus, with Picture being the default.

The Picture menu provides another route to brightness, contrast, and sharpness settings. The Magic Bright settings are essentially OSD presets, which include Standard, Cinema, Dynamic Contrast, Basic Color, and High Brightness options.

The Color settings include manual RGB control, plus two Cool and two Warm temperature presets. There are three Gamma modes available too.

Magic Upscale is a hardware upscaler with two levels, which purports to make zoomed lower-resolution images look better onscreen. The Eye Saver Mode is like the low blue options found on other screens, reducing eyestrain at night.

Game Mode disables some video processing for faster response, at the expense of quality, which the Response Time also improves. You can also control the aspect using the Picture Size option.

Although with some screens the picture-in-picture mode is a feature you never really find a reason to use, with a 21:9 screen this big you might just find useful to have two separate inputs next to each other. There are lots of configuration options, including choosing which input provides audio, and even different contrast settings for the two screens.

There are a few options available for how the onscreen display itself is shown.

The System menu is where you find the FreeSync settings, plus sundry other options that don't fit anywhere else.

Unsurprisingly, all the Information section provides is… information.

Overall, the menu includes a decent array of options, although a lot is packed into the Picture section that could maybe have benefited from being broken into a couple of menus, so that it takes fewer clicks to get to the various options. The gamma modes in particular are a bit buried. There are also no options to save user-defined presets. But there's enough here for a screen that is more aimed at casual rather than hardcore gaming, mixed with a variety of other uses.

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12 comments

  1. quantum dots have sweet fuck all to do with the amount of colours shown as that info-graphic implies, that’s just the bit depth of the colour space the monitor supports, eizo, nec and other pro monitors have supported 10 bit colour for years.

    And wtf is the point in a 125% srgb rating? if you’re in an srgb colourspace, you’re only going to see srgb, how much of argb does this cover?

    Why is a monitor with all the professional/high end features being sold on a mis-advertised display technology? if they said, we’ve got a 85% ARGB, UW 1440p, 10 bit, 34″, bezel free, 100hz, g-sync, curved screen monitor I would be SOLD.

    Also, why do the specs on page 1 say g-sync, but the rest of the article says freesync? does it do both? does it do neither? who knows.

  2. I’d like to see manufacturers investing on a tad smaller 29″ ultrawide monitors with good features such as 100hz and HDR, but they only do this with the higher-end 34-35″ which are way out of my range speaking money and desk space… though that new one from AOC, 35″ for only only $800 isnt all that far away from what I’m confortable spending on a monitor, yet still too big for my desk… (Nope, I can’t buy a larger desk it wouldn’t fit my room). If AOC made a 29″ variant of the AG352UCG with flat panel 1080p while keeping 100hz or at least 90hz I imagine it would reatail for about $550 and that’s very acceptable for me.

  3. This would not be a first look at Quantum Dot tech Sharp has had it in their TV’s for a few years now. Maybe a first for computer monitors I’m not totally sure but I am about Sharp having this for at least five years now.

  4. Apparently, the only thing quantum-dot about it is that it has the back-light used for those displays but not the pixels.

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  7. Typo. Sorry about that. Thanks for pointing it out. Now changed.

  8. I think you are thinking about quattron TV’s. I have one and it uses 4 sub pixels. Red, blue, green and yellow. It’s not the same as Quantum Dot. But still looks amazing.

  9. You have me scratching my head. Since when is 4ms a bad response time? 4ms is an above average near superb, yet not a 1ms. The difference between a 4 and a 1 is 3ms (yeah, I know math lol) so is wayy faster than all but the very best gamers reflexes. Yes. Its a better measurment but realistically only one percent of folks will be able to tell the difference between a 1 and a 4.
    Just wondering” Why is a 4 not as good as i think it is”?

  10. I’m a bit confused why it is advertised at a 3000:1 contrast ratio but the max during these tests was 1250:1 can anyone clear this up for me? Thanks

  11. No, freesync test, no input lag test. With out these display tests are useless.

  12. This monitor is much higher than 1250 contrast something is wrong with their testing method.