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tDames | Staff 26.3K Views
Sep 25, 2025 11:27 PM

39″ LG Ultragear 39GX90SA-W 3440x1440 240Hz WQHD OLED Curved Gaming Monitor

$897

$1,600

43% off
+ Free Shippingat Amazon
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Deal Details
Various Retailers have 39″ LG Ultragear 240Hz WQHD OLED Curved Gaming Monitor (39GX90SA-W) on sale listed below from $896.99. Shipping is free.

Thanks to Deal Hunter tDames for finding this deal.

Available from: Specs:
  • Resolution: 3440 x 1440 (WQHD, 21:9 aspect ratio)
  • Refresh Rate: Up to 240Hz
  • Panel Type: OLED (W-OLED) with Anti-Glare & Low Reflection (AGLR) coating
  • Response Time: 0.03ms (Gray-to-Gray, GtG)
  • Curvature: 800R (steep curved display)
  • Brightness: 275 nits (typical), up to 1300 nits peak (APL 1.5%)
  • Stand Type: L-shaped ergonomic stand with height, tilt, and swivel adjustments; VESA mount compatible (100x100mm)
  • Ports:
    • 2x HDMI 2.1
    • 1x DisplayPort 1.4
    • 1x USB Type-C (65W power delivery, DP Alt Mode)
    • 2x USB-A 3.0
    • 1x Headphone jack (4-pole, supports stereo headphone and mono microphone)
    • 1x RJ45 GbE (Ethernet)

Editor's Notes

Written by johnny_miller | Staff

Original Post

Written by tDames | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Various Retailers have 39″ LG Ultragear 240Hz WQHD OLED Curved Gaming Monitor (39GX90SA-W) on sale listed below from $896.99. Shipping is free.

Thanks to Deal Hunter tDames for finding this deal.

Available from: Specs:
  • Resolution: 3440 x 1440 (WQHD, 21:9 aspect ratio)
  • Refresh Rate: Up to 240Hz
  • Panel Type: OLED (W-OLED) with Anti-Glare & Low Reflection (AGLR) coating
  • Response Time: 0.03ms (Gray-to-Gray, GtG)
  • Curvature: 800R (steep curved display)
  • Brightness: 275 nits (typical), up to 1300 nits peak (APL 1.5%)
  • Stand Type: L-shaped ergonomic stand with height, tilt, and swivel adjustments; VESA mount compatible (100x100mm)
  • Ports:
    • 2x HDMI 2.1
    • 1x DisplayPort 1.4
    • 1x USB Type-C (65W power delivery, DP Alt Mode)
    • 2x USB-A 3.0
    • 1x Headphone jack (4-pole, supports stereo headphone and mono microphone)
    • 1x RJ45 GbE (Ethernet)

Editor's Notes

Written by johnny_miller | Staff

Original Post

Written by tDames | Staff

Community Voting

Deal Score
+23
Good Deal
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18 Comments

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Sep 25, 2025 11:40 PM
881 Comments
Joined Mar 2008
jefflinsSep 25, 2025 11:40 PM
881 Comments

Our community has rated this post as helpful. If you agree, why not thank

also 10% back on the Prime cc. Note pixel density may not be the best for work/programming use case.
2
Sep 26, 2025 12:01 AM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 26, 2025 12:01 AM
5.2K Comments
Waiting for this to come down to $700 and I'll bite. Should have bought the Costco one, kicking myself for it
Sep 26, 2025 12:02 AM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 26, 2025 12:02 AM
5.2K Comments
Quote from jefflins View quoted comment :
also 10% back on the Prime cc. Note pixel density may not be the best for work/programming use case.
For gaming, you'll lose mild clarity for huge fps boost..i think it's a good tradeoff
Sep 26, 2025 12:07 AM
192 Comments
Joined Sep 2015
colton5419Sep 26, 2025 12:07 AM
192 Comments
i have this. if you're primarily looking for gaming use, and a big display is your thing.... this is amazing. but as others have said the lower pixel density can be noticable. if you care about that I'd recommend stepping down to the 34"
Sep 26, 2025 1:44 AM
13 Comments
Joined May 2017
BD1080Sep 26, 2025 1:44 AM
13 Comments
Quote from jefflins View quoted comment :
also 10% back on the Prime cc. Note pixel density may not be the best for work/programming use case.
I'm a lawyer and use it every day for reading and studying. I use dark light settings and haven't had one issue.
1
Sep 26, 2025 3:57 AM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 26, 2025 3:57 AM
5.2K Comments
Quote from BD1080 View quoted comment :
I'm a lawyer and use it every day for reading and studying. I use dark light settings and haven't had one issue.
Had a feeling the text clarity issues are overblown.

Kids these days don't understand the struggles of early tn panels and what was accepted as "top of the line" 20 years ago.
1
Sep 26, 2025 7:51 AM
165 Comments
Joined Nov 2017
Brochacho_Sep 26, 2025 7:51 AM
165 Comments
Costco deal was better
Love mine!

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Sep 26, 2025 2:26 PM
11 Comments
Joined Jan 2018
Nani007Sep 26, 2025 2:26 PM
11 Comments
Quote from Brotato_ View quoted comment :
Costco deal was betterLove mine!
What's the deal from Costco?
Sep 27, 2025 12:26 PM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 27, 2025 12:26 PM
5.2K Comments
Quote from sha111.shi111 View quoted comment :
What's the deal from Costco?
Like $650 about 6 weeks back. Was alive for a few days, completely sold out. Essentially the same panel
Sep 27, 2025 3:23 PM
1.2K Comments
Joined Nov 2016
cmacclelSep 27, 2025 3:23 PM
1.2K Comments
I have one from the Costco deal in the box I'm not using. Can't even sell it for the price paid on FB....LOL!
Sep 27, 2025 7:59 PM
8 Comments
Joined Jul 2023
SharpFog418Sep 27, 2025 7:59 PM
8 Comments
Quote from sumthin_gud View quoted comment :
Quote from jefflins :
also 10% back on the Prime cc. Note pixel density may not be the best for work/programming use case.

For gaming, you'll lose mild clarity for huge fps boost..i think it's a good tradeoff
why not just get a smaller 3440 monitor then. you'll GAIN mild clarity AND a huge discount.
Sep 27, 2025 8:14 PM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 27, 2025 8:14 PM
5.2K Comments
Quote from SharpFog418 View quoted comment :
why not just get a smaller 3440 monitor then. you'll GAIN mild clarity AND a huge discount.
Nah, i used a 32" 1440p monitor for ten years and it's fine. Clarity issues are overblown. 40" 3440x1440 is the same ppi. Not to mention 24" 1080p is also the same ppi, the most used size/resolution combination in the world.
Last edited by sumthin_gud September 27, 2025 at 02:39 PM.
Sep 29, 2025 2:07 PM
13 Comments
Joined May 2017
BD1080Sep 29, 2025 2:07 PM
13 Comments
Quote from sumthin_gud View quoted comment :
Quote from BD1080 :
I'm a lawyer and use it every day for reading and studying. I use dark light settings and haven't had one issue.

Had a feeling the text clarity issues are overblown.

Kids these days don't understand the struggles of early tn panels and what was accepted as "top of the line" 20 years ago.
It's cause they sit 3 inches away from the screen lol
Sep 29, 2025 2:27 PM
5.2K Comments
Joined Jan 2011
sumthin_gudSep 29, 2025 2:27 PM
5.2K Comments
Quote from BD1080 View quoted comment :
It's cause they sit 3 inches away from the screen lol
Have I mentioned the performance overhead for going to 4k? A 5090 will feel like it has extra legs at 1440p, it will obliterate all games at high frame rates. If I was going to upgrade, it would be 5k2k, and I'm not going from a 100fps experience on my 9070xt at 1440p to a 60fps experience at 5k2k with a 5090.

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Sep 29, 2025 2:48 PM
1.1K Comments
Joined May 2008
ai42Sep 29, 2025 2:48 PM
1.1K Comments
Quote from sumthin_gud View quoted comment :
Have I mentioned the performance overhead for going to 4k? A 5090 will feel like it has extra legs at 1440p, it will obliterate all games at high frame rates. If I was going to upgrade, it would be 5k2k, and I'm not going from a 100fps experience on my 9070xt at 1440p to a 60fps experience at 5k2k with a 5090.
I think it's far easier to understand in terms of number of pixels at a given resolution. Given GPU horsepower X which is roughly number of pixels per second, it mostly scales to resolution especially above 5M pixels.

5k2k = 11M pixels
4k = 8.3M pixels
3840x1600 = 6.1M pixels (resolution of LG 38" nano-ips)
WQHD = 5M pixels
QHD = 3.7M pixels

My big issues with these OLED's is that they haven't gotten to the PPI for real productivity work, great for gaming but kind of not good for productivity. LG made nano-ips 38" monitors at 3840x1600 (6.1M pixels). Why isn't this 39" at least at that resolution? Plus 6.1M pixels is marginally more GPU horsepower needed compared to the bigger jumps to 4k, or 5k2k. The other compelling monitor in a similar size / resolution is Samsung's new 37" 4k offerings, >40" 4k is kind of too unwieldy on a desk given the vertical height. If you do any webcam and do conference calls, people will be looking at your bald spot. But 37" is a nice size, try it into one of the display comparison tools. And if AI doesn't take over the world by then, 5k2k is going to be the next product jump, and the justification to buy a 7090 in 3 or 4 years.
Last edited by ai42 September 29, 2025 at 08:02 AM.

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