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4K @ 144hz got some questions?

  • HDMI 2.1 at 4k is only going to hit 144 unless DSC is enabled to hit 240hz.
  • DP1.4a at 4k is only going to hit 120hz with DSC.

https://www.tomshardware.com/features/displayport-vs-hdmi-better-for-gaming

 

Are people on the internet actually doing 144hz 4k or is the monitor is configured to do 144hz but it’s not actually receiving enough data due to the limitations in HDMI1.x and DP1.x limitations? It feels like the monitors are capable, but the ports limit achieving this.

 

 

 

 

I’m planning to replace my monitor(s) with 4k@144hz gaming is the goal. I’m looking into the Nvidia 3080 (like most people, maybe 3090) and it’s the first card to come with HDMI 2.1, which finally has enough bandwidth uncompressed to do this and with DSC can hit 240hz. 1 Card/1 Cable configuration!

 

I guess for my application I want to make sure that I can do 4k @ 144hz and everything I’m reading if I have the following, I should be good:

  1. Nvidia 3080 (maybe 3090)
  2. Monitor supports 4k @ 144hz    
  3. G-sync Ultimate monitor with DSC
  4. Monitor supported HDMI 2.1, HDR1000
  5. Use HDMI 2.1 port and 2.1 cable.

Let me know if I missed something or miss understood anything. Marketing vs reality things get mess and just want to make sure I’m checking the right boxes before buying!

 

 

 

 

Also reviewed this this thread, noticed no section specific for 4k @ 144hz only 120hz.

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In the tests that I have done 4k 144hz will still be almost impossible to do in modern AAA games with high and ultra settings.

It is not the GPUs that are the issue but CPUs. 

 

It is one of the reasons why I am replacing all my 16:9 monitors with LG OLED TVs. 120hz is very doable.

3 hours ago, VAsHachiRoku said:
  • Nvidia 3080 (maybe 3090)

I am going with a 3090.

In most games I am in the 80s at 4k ultra with my overclocked RTX 2080 ti. I expect the 3080 to be in the 110s. 

3 hours ago, VAsHachiRoku said:
  1. Monitor supports 4k @ 144hz 

I think only the new 48" LG OLED is worth getting. The 43" on the market has issues since it is not RGB and the 27" monitors are too small for 4k in my view(I own two 28" 4k monitors).

 

3 hours ago, VAsHachiRoku said:
  • G-sync Ultimate monitor with DSC

I am happy with G-sync compatible. I have a monitor with a G-sync module but it is 2018 vintage so not Ultimate.

 

3 hours ago, VAsHachiRoku said:
  • Monitor supported HDMI 2.1, HDR1000

I think only ASUS has a HDMI 2.1 monitor now but it I would not buy one over an LG OLED.

 

Streaming through Windows is terrible compared to going through the TVs smart app.

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LG 27GN950 does:

 

4K

144Hz

10-bit

 

Via DP 1.4 with DSC. 

 

And it’s £750. 
 

Eve Spectrum will be out soon, same thing, but with HDMI 2.1 as well (bonus for PS5) and it’s coming in cheaper around ~£600. 

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7 hours ago, jones177 said:

 


Personally & for a lot of people, 

 

48” is too big for Monitor use. 
 

I know some people make it work but 27” is just so much more versatile on a desk. 
 

You have no adjustment either with the TV, so you need a Arm for it. 
 

I know Samsung will try and bring OLED monitors to the market, I’d go up to 32” if they ever do come out. 
 

Apart from that, going over that size, means going into a living room setup, so then I use my 77” OLED. 

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5 hours ago, Knight77 said:


Personally & for a lot of people, 

 

48” is too big for Monitor use. 

 

I actually use a 55" OLED as a monitor. 

If it didn't work out as a monitor I was going to put it on a wall but it worked out great.

5 hours ago, Knight77 said:

I know some people make it work but 27” is just so much more versatile on a desk. 

I think 27" is too small for 4k.  I own two  28" 4k monitors I bought in 2015. I replaced one with a 32'" LG and still use one vertically as a second monitor. 

After using my LG 38" 38040 X 1600 ultrawide monitor the 32" 4k monitor felt cramped. I did not like using it any more. 

I was going to get something bigger anyway so I decided try the TV. My first choice was the 43" ASUS monitor but I did not like some of the reviews.  

The 55" was going to be stopgap until the 48" one came out. But since the 55" is working out I am waiting for a deal on the 48" OLED. Hopefully black Friday. 

5 hours ago, Knight77 said:

You have no adjustment either with the TV, so you need a Arm for it. 

Adjustment has not been an issue. On the 30" desk with an adjustable chair it is perfect. 

5 hours ago, Knight77 said:

I know Samsung will try and bring OLED monitors to the market, I’d go up to 32” if they ever do come out. 

LG makes Samsung's OLED panels so if they come out you will have a choice.

5 hours ago, Knight77 said:

Apart from that, going over that size, means going into a living room setup, so then I use my 77” OLED. 

I was planning to get a 77" OLED but my family doesn't watch TV like that anymore. Everyone is in their rooms watching on their computers. So instead of one 77" OLED I bought two 55" for about the same price. The 48" is for my bedroom.

 

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RIG#2 CPU: Intel i7 8086k, 5ghz all cores| Motherboard: ASUS ROG Maximus X Hero | RAM: G.SKILL Ripjaws V Series 16GB DDR4 3200 | GPU: EVGA RTX 2080 ti FTW3 ULTRA | PSU: Corsair RMx1000W | Case: Cooler Master HAF X | Cooler: Noctua NH-D15 | SSD#1: Crucial MX300 2.5" 1TB | SSD#2: Crucial MX500 2.5" 1TB | Monitor: LG 55" 4k B9 OLED TV

 

RIG#3 CPU: Intel i9 9900k, 5ghz all cores| Motherboard: AORUS Z390 Ultra | RAM: Corsair Vengeance RGB Pro 32GB DDR4 3200 | GPU: EVGA GTX 1080 ti SC | PSU: EVGA 1000 GQ | Case: Streacom BC1.1S | Cooler: Noctua NH-D15 | SSD: Samsung 870 EVO 2TB | Monitor: LG 49" NanoCell 85

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I guess the challenge is it seems that with the new 3080 card if you have an older monitor without HDMI 2.1 you'll want to use DP1.4 with DSC if you plan to even touch 4k above 60hz.

 

So what I'm reading is this and come to the conclusion:

  • Need a new Monitor with HDMI 2.1 (coming out this year Eve/Asus) which can do 4k @120hz uncompressed and do 4k@144hz with DSC.
  • The stars need to align and the Game itself must support DLSS2.0, HDR, Ray Tracing, etc. to even hit the 4k@144hz

 

Am I right in saying that?

 

 

 

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4 hours ago, jones177 said:

I actually use a 55" OLED as a monitor. 

If it didn't work out as a monitor I was going to put it on a wall but it worked out great.

 


No doubt has worked out well for you, PC setups don’t normally have that kind of space to wall mount 55”. 
 

Being so close to that is just... headache inducing imo 😅

 

4 hours ago, jones177 said:

 

I think 27" is too small for 4k.  

 


Maybe for productivity, idk, but for gaming, I wouldn’t say so, it’s like 1440p but of course, the detail level is turned up to insane, I appreciate the extra pixels!

 

4 hours ago, jones177 said:

 

The 55" was going to be stopgap until the 48" one came out. But since the 55" is working out I am waiting for a deal on the 48" OLED. Hopefully black Friday. 

Adjustment has not been an issue. On the 30" desk with an adjustable chair it is perfect. 

 

 


My desk is 73cm high, and my chair wouldn’t drop down lower to accommodate a screen basically sitting there with a small stand, would need to be slightly higher. 
 

I guess I’m someone who 27” is perfect for on a desk but bigger screens, I want really big, so would go 65/77 and tbh, even 77” is looking small again after getting used to it!

 

4 hours ago, jones177 said:

 

LG makes Samsung's OLED panels so if they come out you will have a choice.

 

 


Actually, they don’t. 
 

Samsung don’t buy LG OLED panels. 
 

They will be making their own QD-OLEDs soon. 
 

And they’ve said they want to make 32” to 82” versions with the 32” version actually focusing on being a gaming monitor rather than a TV screen. 

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2 hours ago, VAsHachiRoku said:

I guess the challenge is it seems that with the new 3080 card if you have an older monitor without HDMI 2.1 you'll want to use DP1.4 with DSC if you plan to even touch 4k above 60hz.

 

So what I'm reading is this and come to the conclusion:

  • Need a new Monitor with HDMI 2.1 (coming out this year Eve/Asus) which can do 4k @120hz uncompressed and do 4k@144hz with DSC.
  • The stars need to align and the Game itself must support DLSS2.0, HDR, Ray Tracing, etc. to even hit the 4k@144hz

 

Am I right in saying that?

 

 

 


You can do 4K 144Hz 10bit right now via the LG monitor.

 

There will be more coming soon. 
 

HDMI 2.1 is very good if you’re planning to use a TV that supports 2.1. 
 

Otherwise, DP 1.4 can do what you need. 

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I've been using the Asus PG27UQ since it came out in summer of '18.  With a pair of SLI'd Titan X Pascal cards first, followed by a pair of 2080Ti cards once they launched the same year.  The AAA games I played (Siege, Battlefield series), 4K/140 soft-cap was pretty easy with the following notes:

  • AA and AO: off or to their lowest setting.  Neither help much at 4K on a 27" monitor.  Any claim to the contrary is probably from someone imaging it.
  • Siege was challenging for the Titans in SLI, usually hovering around 120-130FPS with both cards running at 100%.  When the 2080Ti cards were put in, easy-mode.  They barely run at 50-60% each now.
  • Battlefield games, for the most part, are also easy-mode in 4K with SLI enabled.

 

"But... but... SLI is deeeeaaaaaad!"  Nah, it's not.  And in some cases, it helps quite a bit, too.

 

All that said: kicking the display into 4K/144 means 4:2:2 sub-sampling.  I say: BFD.  You don't and won't notice it in games.  You probably will notice it in content production, web browsing, etc.  But games?  Nope.

 

Looking forward to the bigger 32" displays when.... ever.

Editing Rig: Mac Pro 7,1

System Specs: 3.2GHz 16-core Xeon | 96GB ECC DDR4 | AMD Radeon Pro Vega II (32GB HBM2) | Lots of SSD and NVMe storage |

Audio: Sound Blaster X7 external DAC/ADC |

 

Gaming Rig: PC

System Specs:  Asus Rampage VI Extreme board | Intel Core i9 7900X | 64GB Corsair Vengeance LPX (OC'd to 4GHz) | 2 x NVidia 2080Ti FE cards (OC'd) | Corsair AX1500i power supply | CaseLabs Magnum THW10 case (RIP CaseLabs ) |

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4:2:2 is not good if you use the display for anything else ....

As a wise master once said, 

Put as much effort into your question as you would expect a stranger to add to their answer!

 

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Peripherals: RAMA U-80 Lake | Logitech MX Master 3 | Kanto YU2 White + Beyerdynamic DT 177X GO 

Displays: LG GX 55"| Acer XB273K | Dell Ultrasharp U2720Q | LG 32UN650-W 

 

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53 minutes ago, Duckson McQuack said:

4:2:2 is not good if you use the display for anything else ....

Correct.  And within a second or two, you can kick it back down to a refresh rate that will allow higher sampling.  It really isn't a big deal.

Editing Rig: Mac Pro 7,1

System Specs: 3.2GHz 16-core Xeon | 96GB ECC DDR4 | AMD Radeon Pro Vega II (32GB HBM2) | Lots of SSD and NVMe storage |

Audio: Sound Blaster X7 external DAC/ADC |

 

Gaming Rig: PC

System Specs:  Asus Rampage VI Extreme board | Intel Core i9 7900X | 64GB Corsair Vengeance LPX (OC'd to 4GHz) | 2 x NVidia 2080Ti FE cards (OC'd) | Corsair AX1500i power supply | CaseLabs Magnum THW10 case (RIP CaseLabs ) |

Audio:  Sound Blaster AE-9 card | Mackie DL32R Mixer | Sennheiser HDV820 amp | Sennheiser HD820 phones | Rode Broadcaster mic |

Displays: Asus PG27UQ 4K/144Hz display | 2 x BenQ EW3280U displays |

Cooling:  2 x EK 140 Revo D5 Pump/Res | EK Asus R6E monoblock | 2 x EK 2080Ti waterblocks | 2 x AlphaCool 480mm x 60mm rads | AlphaCool 560mm x 60mm rad | 21 x Noctua 120mm fans | 8 x Noctua 140mm fans | 2 x Aquaero 6XT fan controllers |

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3 minutes ago, jasonvp said:

Correct.  And within a second or two, you can kick it back down to a refresh rate that will allow higher sampling.  It really isn't a big deal.

a bit annoying 

i'd just keep it at 120hz

As a wise master once said, 

Put as much effort into your question as you would expect a stranger to add to their answer!

 

Desktop: AMD Ryzen 5 3800XT | Gigabyte X570 Aorus Ultra | Corsair Vengeance LPX 32 GB 4000Mhz CL18 | MSI RX 5700 XT Gaming X | Two WD Black SN750 1TB NVMe SSD | Corsair AX850 Titanium | Fractal Design Define 7 White, Solid

 

Laptop: Apple Macbook Pro 16 | i9 9980H | 16 GB RAM |  1TB SSD | AppleCare+ | Space Grey

Peripherals: RAMA U-80 Lake | Logitech MX Master 3 | Kanto YU2 White + Beyerdynamic DT 177X GO 

Displays: LG GX 55"| Acer XB273K | Dell Ultrasharp U2720Q | LG 32UN650-W 

 

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