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Updated Dec 9, 2025Content refreshed automatically when specs change.

KOORUI 24E3 165Hz Gaming Monitor vs Dell S2721QS 27 Inch 4K UHD IPS Monitor

In the realm of monitors, two models stand out for different reasons: the KOORUI 24E3 165Hz Gaming Monitor and the Dell S2721QS 27 Inch 4K UHD IPS Monitor. These products cater to distinct consumer needs, with the KOORUI monitor positioning itself as a budget-friendly option for competitive gamers who prioritize high refresh rates and responsiveness. Its 165Hz refresh rate and 1ms response time are particularly attractive for fast-paced gaming scenarios, offering smooth visuals and reduced motion blur. Meanwhile, the Dell S2721QS targets productivity enthusiasts, content creators, and those who appreciate crystal-clear visuals, thanks to its 27-inch size and 4K UHD resolution. The KOORUI 24E3 is designed with affordability in mind, offering impressive performance metrics like FreeSync and G-Sync compatibility, ensuring tear-free gaming experiences. However, its build quality might feel less premium compared to competitors. On the other hand, the Dell S2721QS excels in providing sharp image quality with its 3840 x 2160 resolution, and its adjustable stand and Picture-by-Picture feature enhance multitasking capabilities. Despite its strengths, it is limited to a 60Hz refresh rate, which might not satisfy hardcore gamers seeking ultra-smooth gameplay.

Ratings: 4.4★ vs 4.6★

KOORUI 24E3 165Hz Gaming Monitor

4.4

Dell S2721QS 27 Inch 4K UHD IPS Monitor

4.6

Comparison: KOORUI 24E3 165Hz Gaming Monitor vs Dell S2721QS 27 Inch 4K UHD IPS Monitor

KOORUI 24E3 165Hz Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

4.4
Dell S2721QS 27 Inch 4K UHD IPS Monitor

Dell S2721QS 27 Inch 4K UHD IPS Monitor

4.6
KOORUI 24E3 165Hz Gaming Monitor

KOORUI 24E3 165Hz Gaming Monitor

Rating:
4.4
Size:24 inches
Resolution:1920 x 1080 (FHD)
RefreshRate:165Hz
PanelType:IPS
ResponseTime:1ms
Connectivity:2x HDMI 1.4, 1x DP 1.2

✓ Pros:

  • Incredible price for 165Hz/IPS
  • FreeSync and G-Sync Compatible
  • 99% sRGB Color Gamut

✗ Cons:

  • Build quality feels plasticky
  • Menu buttons are hard to navigate
Dell S2721QS 27 Inch 4K UHD IPS Monitor

Dell S2721QS 27 Inch 4K UHD IPS Monitor

Rating:
4.6
Size:27 inches
Resolution:3840 x 2160 (4K)
RefreshRate:60Hz
PanelType:IPS
ResponseTime:4ms
Connectivity:2x HDMI 2.0, 1x DP 1.2

✓ Pros:

  • Sharp 4K detail
  • Adjustable stand
  • Supports Picture-by-Picture (multitasking)

✗ Cons:

  • Scaling issues on macOS sometimes
  • Limited to 60Hz

Which one is better?

The Dell S2721QS 27 Inch 4K UHD IPS Monitor wins overall for its superior screen size and 4K resolution, which provide exceptional clarity and productivity benefits. However, the KOORUI 24E3 165Hz Gaming Monitor excels with its higher refresh rate (165Hz vs 60Hz), catering better to gamers seeking fluid motion.

Who should buy each?

Choose KOORUI 24E3 165Hz Gaming Monitor if: 1. You prioritize high refresh rates for gaming (165Hz). 2. Budget is a primary concern. 3. You need FreeSync or G-Sync compatibility. Choose Dell S2721QS 27 Inch 4K UHD IPS Monitor if: 1. You need high-resolution 4K clarity for content creation or productivity. 2. You value an adjustable stand for ergonomic flexibility. 3. Multitasking is important with features like Picture-by-Picture. They're equally matched on: Panel technology, as both use IPS panels, providing excellent color reproduction and wide viewing angles.

Conclusion

KOORUI 24E3 165Hz Gaming Monitor and Dell S2721QS 27 Inch 4K UHD IPS Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.

FAQs

+ Which has better value?

KOORUI 24E3 165Hz Gaming Monitor excels if you value incredible price for 165hz/ips. Dell S2721QS 27 Inch 4K UHD IPS Monitor is better if you prioritize sharp 4k detail. Pick based on your budget and daily use.

+ Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+ Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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