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  1. Home
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  5. XENEON 27QHD240
  6. Review

Corsair XENEON 27QHD240  Monitor Review

By Jake Thauvette, Nicholas Di Giovanni, John Peroramas
Review updated Mar 29, 2024 at 04:02pm
Test bench update Feb 21, 2025 at 11:36am
Tested using Methodology v2.0.1 
Corsair XENEON 27QHD240

Track

Size
27"
Pixel Type
OLED
Max Refresh Rate
240 Hz
Native Resolution
2560 x 1440

Track

GIFT THIS REVIEW

 65

The Corsair XENEON 27QHD240 is a 27-inch gaming monitor with a 1440p resolution. Alongside the Corsair XENEON FLEX 45WQHD240, it's one of two OLEDs that Corsair has, and it uses the same panel as the LG 27GR95QE-B and ASUS ROG Swift OLED PG27AQDM. It has everything you'd expect in a high-end gaming monitor, like a 240Hz refresh rate, variable refresh rate (VRR) support, and HDMI 2.1 bandwidth. Although it's focused on gaming, it has a few features for other uses like productivity, as it has a KVM switch that makes it easy to use the same keyboard and mouse connected to the monitor with two different sources. It has a few settings to combat permanent burn-in, which OLEDs are prone to, and Corsair advertises that there's a warranty against burn-in, but it's unclear what specific burn-in is covered as the warranty excludes normal wear and tear.

Our Verdict

0.0
PC Gaming 

The Corsair XENEON 27QHD240 is amazing for PC gaming. Its 240Hz refresh rate is great for competitive gaming, and it has VRR support that works with any source to reduce screen tearing. Motion looks sharp no matter the refresh rate you're gaming at, and it has low input lag at high refresh rates, but it increases at 60Hz. It also has distracting VRR flicker with changing frame rates, which is noticeable in dark scenes. On the plus side, it displays deep and inky blacks without blooming, making it a great choice in dark rooms.

Pros
  • 240Hz max refresh rate.
  • Supports all common VRR formats at any refresh rate.
  • Near-instantaneous response time.
  • Perfect black levels.
Cons
  • Input lag increases with 60Hz signals.
  • Distracting VRR flicker with changing frame rates.
SEE PRICE
Amazon.co.jp
See our PC Gaming Recommendations 
0.0
Console Gaming 

The Corsair XENEON 27QHD240 is incredible for console gaming. It has HDMI 2.1 bandwidth, so it supports any signal from the PS5 and Xbox Series X|S, including downscaled 4k @ 120Hz signals. Gaming feels responsive thanks to its low enough input at 120Hz, but its input lag increases at 60Hz, which is disappointing for playing reaction-based games. Luckily, your games also look realistic thanks to its excellent HDR picture quality with its deep blacks, but it doesn't deliver vivid colors.

Pros
  • Supports all common VRR formats at any refresh rate.
  • Near-instantaneous response time.
  • Perfect black levels.
  • Takes full advantage of modern consoles.
Cons
  • Input lag increases with 60Hz signals.
SEE PRICE
Amazon.co.jp
0.0
Office 

The Corsair XENEON 27QHD240 is decent for the office, but there are some limitations. Its wide viewing angles and great ergonomics make it easy to adjust the screen, like when you need to show something to a coworker. It also has a few office-oriented features, like a KVM switch, so you can control two devices with the same keyboard and mouse. While it has fantastic reflection handling, it doesn't get bright enough to fight a lot of glare. Sadly, it has text clarity issues due to its RWBG subpixel layout, and OLEDs also risk permanent burn-in when exposed to the same static elements over time.

Pros
  • Fantastic reflection handling.
  • Wide viewing angles.
  • Great ergonomics.
  • USB-C port and KVM switch.
Cons
  • Text clarity issues due to RWBG subpixel layout.
  • Limited peak brightness and aggressive ABL.
  • Risk of burn-in with static elements.
SEE PRICE
Amazon.co.jp
See our Office Recommendations 
0.0
Editing 

The Corsair XENEON 27QHD240 is great for content creation, but there are limitations. It displays a wide range of accurate colors in SDR, but you still need to calibrate it for the best accuracy possible. It also has great ergonomics and wide viewing angles, which help if you often need to share your screen with a coworker or client. However, there are text clarity issues due to its subpixel layout, resulting in color fringing and text that isn't very sharp. Also, OLEDs risk burn-in with exposure to static elements over time, like if you always have your editing software open.

Pros
  • Fantastic reflection handling.
  • Wide viewing angles.
  • Great ergonomics.
  • USB-C port and KVM switch.
Cons
  • Text clarity issues due to RWBG subpixel layout.
  • Limited peak brightness and aggressive ABL.
  • Risk of burn-in with static elements.
SEE PRICE
Amazon.co.jp
See our Editing Recommendations 
0.0
Brightness 

The Corsair XENEON 27QHD240 has mediocre brightness. It doesn't get bright enough to fight glare in SDR, and while some highlights stand out in HDR, it can't maintain this brightness with larger highlights or across the screen.

Pros
  • Small highlights pop in HDR.
Cons
  • Limited peak brightness and aggressive ABL.
SEE PRICE
Amazon.co.jp
0.0
Response Time 

The Corsair XENEON 27QHD240 has a near-instantaneous response time, leading to exceptionally crisp motion.

Pros
  • Supports all common VRR formats at any refresh rate.
  • Outstanding refresh rate compliance.
Cons
SEE PRICE
Amazon.co.jp
0.0
HDR Picture 

The Corsair XENEON 27QHD240 is excellent for HDR. It displays deep blacks next to bright highlights in dark rooms, and there isn't any blooming either. However, it doesn't get bright enough in HDR to display vivid colors, and it has tone mapping issues.

Pros
  • Perfect black levels.
  • Small highlights pop in HDR.
  • No blooming around bright objects.
Cons
  • Limited HDR color volume.
SEE PRICE
Amazon.co.jp
0.0
SDR Picture 

The Corsair XENEON 27QHD240 has exceptional picture quality in SDR. It displays deep and inky blacks without any blooming, and it also displays a wide range of colors.

Pros
  • Perfect black levels.
  • No blooming around bright objects.
Cons
SEE PRICE
Amazon.co.jp
0.0
Color Accuracy 

The Corsair XENEON 27QHD240 has great color accuracy. Although it has a dedicated sRGB mode, its accuracy before calibration isn't anything special as most colors are off, and you need to calibrate it for the best accuracy. That said, the image remains consistently accurate across the entire screen, as it doesn't have any uniformity issues.

Pros
  • No uniformity issues.
Cons
  • Needs calibration for best accuracy.
SEE PRICE
Amazon.co.jp
  • 0.0
    PC Gaming
  • 0.0
    Console Gaming
  • 0.0
    Office
  • 0.0
    Editing

    • Performance Usages

  • 0.0
    Brightness
  • 0.0
    Response Time
  • 0.0
    HDR Picture
  • 0.0
    SDR Picture
  • 0.0
    Color Accuracy
    •  Create your own

    Changelog

    1.  Updated Feb 21, 2025: We've converted this review to Test Bench 2.0.1. This includes a new test result for DisplayPort 2.1 Transmission Bandwidth.
    2.  Updated Apr 17, 2024: Updated text throughout the review according to Test Bench 2.0, mainly in the Verdict and Motion sections.
    3.  Updated Apr 17, 2024: We've converted this review to Test Bench 2.0. This includes new tests for VRR Motion Performance, Refresh Rate Compliance, Cumulative Absolute Deviation (CAD), and VRR Flicker. You can read the full changelog here.
    4.  Updated Oct 19, 2023: Mentioned that the Acer Predator X27U bmiipruzx has better Ergonomics.
    Show more 

    Check Price

    27"XENEON 27QHD240
    SEE PRICE
    Amazon.co.jp

    Differences Between Sizes And Variants

    We tested the 27-inch Corsair XENEON 27WQHD240, which is the only size available for this model. Corsair also has the 45-inch Corsair XENEON FLEX 45WQHD240 monitor available, which is another OLED, but it's a different monitor with an ultrawide display and is bendable.

    Model Size Panel Type Resolution Max Refresh Rate
    27QHD240 27" OLED 2560x1440 240Hz

    You can see the label for our unit here. We originally tested this monitor with firmware V102.

    Popular Monitor Comparisons

    The Corsair XENEON 27QHD240 is an amazing PC gaming monitor with incredible motion handling, a high refresh rate, and perfect black levels. It can please any type of gamer with the combination of the fast refresh rate and premium picture quality. On top of its amazing gaming performance, it even has a few extra productivity features compared to some other monitors. However, considering it doesn't get as bright as the ASUS ROG Swift OLED PG27AQDM and has higher input lag at low refresh rates, the ASUS offers better value. Still, if you can find it for less than the ASUS and the LG 27GR95QE-B, it might be worth getting if its downsides don't bother you. The limited three-year warranty on the Corsair is positive compared to the LG and ASUS, but the warranty also has some exceptions.

    See our recommendations for the best gaming monitors, the best 1440p gaming monitors, and the best 240Hz monitors.

    ASUS ROG Swift OLED PG27AQDM

    Track

    SEE PRICE
    Amazon.co.jp

    The Corsair XENEON 27QHD240 and the ASUS ROG Swift OLED PG27AQDM use the same panel, but there are a few differences. The ASUS gets much brighter, especially in HDR, and colors look more vivid thanks to its improved color volume, so its overall picture quality is better. However, the Corsair has a few extra features that the ASUS doesn't have, like HDMI 2.1 bandwidth, USB-C ports, and a KVM switch. These can be useful if you want to connect multiple devices.

     compare side-by-side
    see our review 
    Samsung Odyssey OLED G85SB S34BG85

    Track

    SEE PRICE
    Amazon.co.jp

    The Samsung Odyssey OLED G85SB S34BG85 and the Corsair XENEON 27QHD240 are different types of OLEDs. The Samsung has an ultrawide display with a QD-OLED panel, allowing it to get much brighter with more vivid colors than the Corsair. On the other hand, the Corsair has a higher 240Hz refresh rate, which is ideal for competitive gaming, and it supports 4k signals up to 120Hz from the PS5 and Xbox Series X|S, which the Samsung monitor can't do.

     compare side-by-side
    see our review 
    Dell Alienware AW3423DWF

    Track

    SEE PRICE
    Amazon.co.jp

    The Dell Alienware AW3423DWF and the Corsair XENEON 27QHD240 are different types of OLEDs. The Dell has an ultrawide display with a QD-OLED panel, allowing it to get much brighter with more vivid colors than the Corsair. On the other hand, the Corsair has a higher 240Hz refresh rate, which is ideal for competitive gaming and supports 4k signals up to 120Hz from the PS5 and Xbox Series X|S, which the Dell can't do.

     compare side-by-side
    see our review 
    LG 27GR95QE-B

    Track

    SEE PRICE
    Amazon.co.jp

    The Corsair XENEON 27QHD240 and the LG 27GR95QE-B use the same panel and perform similarly. However, there are still a few differences as the LG gets brighter in HDR and has improved color volume, while the Corsair has less overshoot with fast-moving objects. The Corsair also has a few extra features, like USB-C ports and a KVM switch. They both support HDMI 2.1 bandwidth, but the LG supports 48 Gbps bandwidth compared to 24 Gbps on the Corsair, so your source doesn't need to use compression for demanding signals.

     compare side-by-side
    see our review 
    Show more 

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    LockedLock" (Lock cm)
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    LockedLock" (Lock cm)
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    LockedLock" (Lock cm)
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    LockedLock" (Lock cm)
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    Size
    Locked27"
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    LockedLock" (Lock cm)
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    LockedLock" (Lock cm)
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    LockedLock" (Lock cm)
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    LockedLock lbs (Lock kg)
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    LockedLock" (Lock cm)
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    LockedLock cd/m²
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    LEARN ABOUT INPUT LAG 
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    LockedLocked
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    LockedLocked
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    USB
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    Retailers
    Retailers' pricesAmazon.co.jp
    27"  XENEON 27QHD240
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    Comments

    1. Product
    Active 4 months ago
     ·  • Posted 3 years ago

    Corsair XENEON 27QHD240: Main Discussion  

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      dfg555
       7
       • Posted 4 months ago

      The USB-C to USB-A cable that comes with this is only 2.0 so you can’t fully utilize the USB-A 3.0 ports if you’re plugging in bandwidth hungry devices. Tested it myself, kinda weird Corsair provided that cable, surely it doesn’t cost significantly more for a 3.0 cable.

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    2. 2
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       Scott James • Posted 1 year ago
      Feb 14, 2025 10:40 AM By evohan
      11

      G-SYNC Compatible (NVIDIA Certified) but still when G-sync on vrr flicker is bad … why ?

      Hi, that’s a great question! NVIDIA’s G-SYNC Compatible designation means that VRR will work with the monitor if you have an NVIDIA graphics card. However, it doesn’t mean that there won’t be VRR flicker while you’re doing so. If you want to reduce VRR flicker you can try to limit variation in the frame rate in the games you’re playing by adjusting settings in the game, like adding a frame rate cap. We discuss this more in our VRR Flicker article.

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    3.  • Posted 1 year ago

      Update: Converted to Test Bench 2.0.1.

    4. 2
      1
      0
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      evohan
       11
       • Posted 1 year ago

      G-SYNC Compatible (NVIDIA Certified) but still when G-sync on vrr flicker is bad … why ?

      Reply
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    5.  • Posted 2 years ago

      Update: Updated text throughout the review according to Test Bench 2.0, mainly in the Verdict and Motion sections.

      Show More Updates
    6. 2
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      TWOwowo
       14
       • Posted 2 years ago
      Dec 13, 2023 10:07 PM By RtingsUser244694
      29

      I love this corsair oled monitor. Even had the LG oled and switched it for this one. I have no issues with brightness with the updates that are available. Solid monitor.

      +1

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    7. 2
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      RtingsUser244694
       29
       • Posted 2 years ago
      Dec 13, 2023 12:56 PM By Elieser
      140

      I’m thinking of getting this one. It would primarily be for gaming. Has anyone had any issues with the brightness? Any feed back would be great.

      I love this corsair oled monitor. Even had the LG oled and switched it for this one. I have no issues with brightness with the updates that are available. Solid monitor.

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    8. 2
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      Elieser
       142
       • Posted 2 years ago

      I’m thinking of getting this one. It would primarily be for gaming. Has anyone had any issues with the brightness? Any feed back would be great.

      Reply
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    9. 2
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       Nicholas Di Giovanni • Posted 2 years ago
      Dec 13, 2023 02:42 AM By RtingsUser244694
      29

      So im asumming those alienware 360hz OLED’s being released in january will have lower input lag?

      Theoretically yes, a 360Hz monitor should have lower input lag, but we don’t know until we test it.

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    10. 3
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       Nicholas Di Giovanni • Posted 2 years ago
      Dec 13, 2023 03:28 AM By Fillo89
      1

      Hi! I have had this monitor for a few days, purchased through a discount on Amazon. At the moment I’m largely satisfied, as already written in other comments the subpixel layout problem is not so harmful and after a bit of getting used to it you get the hang of it (mainly gaming use but also office use). I was looking at the review and wanted to ask the administrators to confirm if it was correct to post-calibrate brightness value to a value of 17 O_o. Personally it seems too low to me and I wouldn’t want there to be an error in the sense of 17 -> 71.

      No that’s correct, as we aim to calibrate at a brightness of 100 nits, and in this case, setting the brightness setting that low achieved that.

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    11. 2
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      Fillo89
       1
       • Updated 2 years ago • Posted 2 years ago

      Hi! I have had this monitor for a few days, purchased through a discount on Amazon. At the moment I’m largely satisfied, as already written in other comments the subpixel layout problem is not so harmful and after a bit of getting used to it you get the hang of it (mainly gaming use but also office use). I was looking at the review and wanted to ask the administrators to confirm if it was correct to post-calibrate brightness value to a value of 17 O_o. Personally it seems too low to me and I wouldn’t want there to be an error in the sense of 17 -> 71.

      Edited 2 years ago: correction
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      RtingsUser244694
       29
       • Posted 2 years ago
      Dec 11, 2023 08:07 PM By  Nicholas Di Giovanni

      While it’s technically possible, it’s unlikely that it would be a significant difference, as the minimum theoretical input lag we could measure at 240Hz is 2.1 ms, but no monitor we’ve tested has a 240Hz input lag lower than 2.5 ms.

      So im asumming those alienware 360hz OLED’s being released in january will have lower input lag?

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       Nicholas Di Giovanni • Posted 2 years ago
      Dec 12, 2023 02:16 PM By Elieser
      140

      Any update on the new firmware v104 that increases brightness by 30%?

      Hey! As mentioned here, we looked into it and it didn’t increase the brightness significantly!

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    14. 2
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      Elieser
       142
       • Posted 2 years ago
      Dec 11, 2023 08:07 PM By  Nicholas Di Giovanni

      While it’s technically possible, it’s unlikely that it would be a significant difference, as the minimum theoretical input lag we could measure at 240Hz is 2.1 ms, but no monitor we’ve tested has a 240Hz input lag lower than 2.5 ms.

      Any update on the new firmware v104 that increases brightness by 30%?

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       Nicholas Di Giovanni • Posted 2 years ago
      Dec 08, 2023 01:57 PM By RtingsUser244694
      29

      Is it possible to lower the input lag even more on the 240hz with a firmware update?

      While it’s technically possible, it’s unlikely that it would be a significant difference, as the minimum theoretical input lag we could measure at 240Hz is 2.1 ms, but no monitor we’ve tested has a 240Hz input lag lower than 2.5 ms.

      Reply
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