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Best gaming monitor for RTX 4090 in 2024 (4K, 1440p, ultrawide)

We find the very best gaming monitors to match the power of the RTX 4090

Updated: Jan 2, 2024 11:27 am
Best gaming monitor for RTX 4090 in 2024 (4K, 1440p, ultrawide)

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Today we’re searching for the best gaming monitor for RTX 4090, expect to see some high-end displays! Nvidia’s RTX 4090 is the flagship of the latest 40-series GPUs and comfortably sits as most powerful GPU money can buy right now. A true technological marvel that offers gamers a new level of realism and performance. As such, it is essential to pair it with one of the best gaming monitors out there – those that can realize the potential of its power and enhance the gaming experience to new heights.

After a solid amount of consideration and research, we’ve selected the very best monitors for gaming on the RTX 4090! A couple of our favorites for the job include the BenQ MOBIUZ EX3210U and ASUS ROG SWIFT PG32UQX. However, there’s more to talk you through if you really want to explore the options available to you with the best graphics card on the market. As we keep this guide as up to date as possible, let’s just straight into our top picks.

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Best gaming monitor for a 4090: BenQ MOBIUZ EX3210U

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Best gaming monitor for a 4090

BenQ MOBIUZ EX3210U

benq mobiuz ex3210u

Refresh Rate

144Hz

Response time

1ms MPRT

Screen size

32″

Resolution

3840 x 2160

Pros
  • Large 32″ screen perfect for 4K
  • Built-in speakers and noise canceling microphone
  • FreeSync Premium Pro included
  • HDMI 2.1 support ideal for console too
Cons
  • Better options out there for HDR performance

BenQ MOBIUZ EX3210U is our top pick for the best gaming monitor for a 4090. It has a 4K resolution, and it allows the 4090 to realize its potential to an extent and bring the newest games to life in stunning detail. The monitor is equipped with an IPS panel and an anti-glare coating, ensuring that images are vibrant and clear, even in challenging lighting conditions. The display itself is 10-bit and 32 inches in size, immersing gamers in the gaming experience like never before. 10-bit displays cover 100x more colors than their 8-bit counterparts, meaning that BenQ MOBIUZ EX3210U’s color gradient will simply leave you out of words.

One of the key features of BenQ MOBIUZ EX3210U is its VESA DisplayHDR 600 certification, which provides realistic and accurate color reproduction. This gorgeous monitor additionally has a fast refresh rate of 144Hz with surprisingly smooth and stutter-free gameplay, as well as 98% DCI-P3 color coverage for great visuals.

Next best gaming monitor for a 4090: ASUS ROG SWIFT PG32UQX

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ASUS ROG SWIFT PG32UQX

ROG Swift PG32UQX

Refresh Rate

144hz

Response time

4ms GTG

Screen size

32”

Resolution

3840 x 2160

Pros
  • Stunning Mini-LED IPS display panel
  • Support for G-SYNC Ultimate
  • Super bright DisplayHDR 1400 certification
  • Good ergonomics and Eye Care support
Cons
  • Expensive option
  • Slower response time than other picks

Next up is the ASUS ROG SWIFT PG32UQX, which we had the pleasure of reviewing for ourselves. Another 4K 144Hz monitor pick, it provides stunning visuals and great gaming performance on a large 32″ display. This is one of the best Mini-LED monitors on the market and delivers a max brightness of 500 nits, which is perfect combination with the IPS display for super accurate colors (wide 98% DCI-P3 color gamut) and much-needed wide viewing angle for this large screen size.

Its DisplayHDR certification allows the peak brightness to reach as high as 1,400 nits, so this really is a fantastic gaming monitor if you want an immersive and crystal-clear experience at the highest graphics settings thanks to your RTX 4090. It of course also features G-SYNC Ultimate to ensure that gameplay is super smooth without screen tearing ruining your experience.

Best 1440p gaming monitor for a 4090: Alienware AW2723DF

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Next best gaming monitor for a 4090

Alienware AW2723DF

Alienware AW2723df 1

Refresh rate

240Hz

Response time

1ms

Screen size

27″

Resolution

2560 x 1440 (1440p)

Pros
  • Super high refresh rate, can be overclocked to 280Hz
  • 27 inch screen size perfect for 1440p resolution
  • Native support for AMD FreeSync Premium Pro and G-Sync
  • IPS panel with 1ms response time for gaming
Cons
  • Mediocre HDR & contrast ratio

For still undecided gamers, the Alienware AW2723DF is an excellent choice. The ultra-high refresh rate of 240Hz that can be overclocked to 280Hz and a lightning-fast 1ms response time makes it perfect for action-rich games demanding high attention and timely response. The UHD display is combined with a Nano color IPS panel, providing stunningly accurate and vibrant colors.

In addition to its impressive technical specs, the AW2723DF also has both FreeSync Premium Pro and Nvidia G-Sync compatibility, which eliminates screen tearing and stuttering for a smooth gaming experience. The monitor also has thin bezels and a great AlienFX lighting system, allowing gamers to personalize their setup and fully immerse themselves in the game.

Alienware AW2727DF is a great option for gamers who want the ultimate experience, with its powerful combination of insanely high refresh rate, fast response time, and lifelike, vibrant colors. It’s our 1440p pick for a go-to gaming monitor with a 4090. Although you do drop down from the more hi-res 4K displays, the RTX 4090 will be capable of providing stable frame rates at this resolution to make sure you can enjoy super smooth gameplay with this 240Hz monitor, even offering great performance if you enable ray-tracing.

Best ultrawide monitor for a 4090: Alienware AW3423DW

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Alienware AW3423DW

Alienware AW3423DW

Refresh rate

175Hz

Response time

0.1ms GtG

Screen size

34″

Resolution

3440 x 1440

Pros
  • Super low response time is hard to beat
  • Large 34″ screen size
  • Immersive 21:9 ultrawide with 1800R curved screen
  • Excellent 1,000,000:1 contrast ratio
Cons
  • Contrast levels look worse in brightly-lit rooms

The Alienware AW3423DW continues to be a popular ultrawide monitor, especially if you want to opt for a 21:9 aspect ratio display. Sure, there are super ultrawide 32:9 gaming monitors out there like the OLED G9 which offer excellent performance, but we feel like 21:9 is a good standard for the best ultrawide gaming monitors.

Regardless, you won’t be let down by the performance of this fantastic display, as the high refresh rate is perfect when you have the RTX 4090 on board ready to push out a massive amount of frames in your favorite games. It is also a stunning pick for fast-paced games, as the minimal 0.1ms response time will iron out any issues such as ghosting. Screen tearing also won’t be an issue thanks to Nvidia G-Sync Ultimate certification. So, a great choice for both slow-paced immersive titles and games that test your reflexes.

We definitely recommend going for an ultrawide option if you have the space to facilitate it. Aside from gaming, having a 21:9 display like this makes it easier to multitask and work efficiently thanks to the additional screen real estate. Overall, a fantastic choice for the RTX 4090.

Best OLED monitor for a 4090: Corsair Xeneon Flex

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Corsair Xeneon Flex

Corsair xeneon flex

Refresh rate

240Hz

Response time

0.03ms GtG

Resolution

3440 x 1440

Screen size

45″

Pros
  • Large 45″ bendable screen
  • Fast 240Hz refresh rate
  • 0.03ms GtG response time
  • Beautiful OLED visuals
Cons
  • Expensive
  • OLED brightness is lower than standard LED displays

We had the chance to put out a quick hands-on review of the Corsair Xeneon Flex and we weren’t disappointed during our time with it. This impressive 21:9 ultrawide monitor features a stunning OLED panel and a feature which is pretty ahead of its time – a bendable screen. Perhaps the best curved monitor on the market considering you can bend the monitor to fit your viewing experience, and adjust it on the fly. It has a whole range of excellent gaming specs which the powerful RTX 4090 can take full advantage of.

With a 240Hz refresh rate and 3440 x 1400 resolution, you get smooth and clear visuals – and your flagship GPU should have no problem living up to that high refresh rate. This Corsair monitor also comes with a quick 0.03ms response time and AMD FreeSync Premium for a super smooth gaming experience.

It’s no secret that the Flex is one of the best OLED gaming monitors right now. This panel type feels super responsive and the visuals are hard to beat. You get hard to beat color accuracy, a wide 99% DCI-P3 color gamut, and infinite contrast levels as self-lit pixels can be turned off individually.


Should you use a 4K monitor with the RTX 4090?

As a flagship card, and the most powerful GPU on the market, at least until the 50-series high-end arrives, the RTX 4090 is definitely built for 4K gaming in mind. You can definitely lower the resolution down to 1440p or even 1080p if that’s what you’re more comfortable with, but having a GPU like this would simply be overkill (especially for 1080p). We can agree with 1440p if you want a premium 240Hz display, but jumping to 4K would be our first option as it’s much more future proof.

Going for an ultrawide monitor is the alternative, though they still don’t deliver as many pixels as a 4K monitor; a 32:9 1440p display comes reasonably close. The third option is instead to check out the best 8K monitors out there. The only downside right now though is that there isn’t much choice in terms of a gaming display truly at this resolution for the time being.


Best gaming monitor for RTX 4090 FAQs

Can RTX 4090 run 360Hz?

The RTX 4090 will be able to run smoothly on a 360Hz monitor, easily at 1080p and even at 1440p. Reaching a stable 360FPS to cleanly match the framerate of course depends on the game you’re playing, but nothing is currently better than the RTX 4090.

As for 4K, the technology isn’t there yet – as the latest DisplayPort 2.1 connection only reaches 240Hz @ 4K.

Should I use an ultrawide monitor with the RTX 4090?

Going for an ultrawide monitor is a fantastic choice when you have a graphics card as powerful as the RTX 4090. Many current ultrawide monitors don’t quite have the same pixel density as 4K, so the RTX 4090 will perform exceptionally while you can enjoy the additional screen size and real estate.

Final word

Now you know the very best display out there to pair with your powerful RTX 4090 GPU. Jumping up to 4K is definitely one of the best options you have, though there are some excellent alternatives depending on what you need from your display. There is no GPU better for gaming right now so picking out a monitor with stunning gaming performance is our main criteria – luckily there is plenty to choose from these days.

Our current pick definitely has to be the BenQ MOBIUZ EX3210U, but the Alienware AW3423DW is definitely an ultrawide alternative you’ll want to consider.


For as long as he can remember, Charlie has always been interested in computers and gaming. It all started with the Sega Mega Drive and then evolved into PC gaming in his early teens.

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