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2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

Dell S2721QS 27" 4K UHD IPS Monitor vs LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

The LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor is the better buy for gamers, thanks to its stunning 144Hz refresh rate. Meanwhile, the Dell S2721QS 27" 4K UHD IPS Monitor is a strong fit for productivity and media consumption with its sharp 4K resolution and ergonomic design. If you're serious about gaming in 2026, the LG's specs will elevate your experience significantly. Key specs: Refresh: 60 Hz vs 144 Hz and Response Time: 4ms vs 1ms.

Why compare these? Both the Dell S2721QS 27" 4K UHD IPS Monitor and LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor are mid-range monitors competing in the same market segment. This makes them direct rivals for buyers looking for mid-range features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.

⚡ Refresh: 60 Hz vs 144 Hz⚡ Response Time: 4ms vs 1ms🌈 Brightness: 350 nits vs 400 nits

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Key Differences at a Glance

AspectDell S2721QSLG 27GR93U-B
User Rating4.4★ (1,905 reviews)4.3★ (488 reviews)
Top StrengthRazor-sharp 4K resolution (163 PPI) delivers excellent text clarityHDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling
Main DrawbackLimited to 60Hz, making it less suitable for fast-paced gamingNo USB-C input or built-in KVM switch (unlike Gigabyte M27U/M28U competitors)
Market PositionMid-rangeMid-range
Dell S2721QS 27" 4K UHD IPS Monitor
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

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LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display7 specs
Refresh RateKey
Dell S2721QS 27" 4K UHD IPS Monitor
60 Hz
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
144 Hz (via DisplayPort and HDMI 2.1)
Winner
Response Time
Dell S2721QS 27" 4K UHD IPS Monitor
4 ms (Gray-to-Gray Extreme Mode)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1 ms (GtG Faster)
Brightness
Dell S2721QS 27" 4K UHD IPS Monitor
350 nits (Typical)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
400 nits (Typical) / 500 nits (HDR Peak)
Contrast Ratio
Dell S2721QS 27" 4K UHD IPS Monitor
1,300:1 (Typical)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1,000:1 (Typical)
Color Gamut
Dell S2721QS 27" 4K UHD IPS Monitor
99% sRGB
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
95% DCI-P3 (CIE1976)
Color Depth
Dell S2721QS 27" 4K UHD IPS Monitor
1.07 Billion (10-bit via 8-bit + FRC)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
1.07 Billion (10-bit)
HDR
Dell S2721QS 27" 4K UHD IPS Monitor
HDR Playback Support (Not VESA Certified)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
VESA DisplayHDR 400 (HDR10)
Gaming1 specs
Adaptive Sync
Dell S2721QS 27" 4K UHD IPS Monitor
AMD FreeSync (40Hz - 60Hz)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
AMD FreeSync Premium / NVIDIA G-SYNC Compatible
Connectivity1 specs
Ports
Dell S2721QS 27" 4K UHD IPS Monitor
2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
2x HDMI 2.1; 1x DisplayPort 1.4 (DSC); 1x USB 3.0 Upstream; 2x USB 3.0 Downstream; 1x 4-Pole Headphone Out (DTS Headphone:X)
Design2 specs
Ergonomics
Dell S2721QS 27" 4K UHD IPS Monitor
Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
Height (110mm), Pivot (90°), Tilt (-5° to 15°); No Swivel
Weight
Dell S2721QS 27" 4K UHD IPS Monitor
6,400 g (14.11 lbs)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
6,400 g (14.1 lbs)
Audio1 specs
Speakers
Dell S2721QS 27" 4K UHD IPS Monitor
2x 3 W (Stereo)
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor
No (None)
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Dell S2721QS 27" 4K UHD IPS Monitor vs LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

4.3(488)Amazon
Dell S2721QS 27" 4K UHD IPS Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

4.4(1,905)Amazon
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

Refresh Rate

60 Hz

Response Time

4 ms (Gray-to-Gray Extreme Mode)

Pros

  • Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
  • Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included

Cons

  • Limited to 60Hz, making it less suitable for fast-paced gaming
  • Lacks USB-C connectivity and USB data hub
LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor

4.3(488)Amazon
Screen Size

27" Viewable (27" Class)

Resolution

3840 x 2160 (4K UHD)

Aspect Ratio

16:9

Screen Type

IPS (In-Plane Switching)

Refresh Rate

144 Hz (via DisplayPort and HDMI 2.1)

Response Time

1 ms (GtG Faster)

Pros

  • HDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling
  • Excellent motion clarity with 1ms GtG response time and official G-SYNC Compatibility

Cons

  • No USB-C input or built-in KVM switch (unlike Gigabyte M27U/M28U competitors)
  • Contrast is standard for IPS (1,000:1), meaning blacks appear grayish in dark rooms

Which one is better?

The LG 27GR93U-B is the better buy for most people - its 144Hz refresh rate crushes the Dell S2721QS 27" 4K UHD IPS Monitor's 60Hz limit. That said, grab the Dell if you prioritize an adjustable stand and text clarity, as it features a 1,300:1 contrast ratio versus the LG's 1,000:1.

Who should buy each?

Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you want razor-sharp text clarity with 4K resolution, need a fully adjustable ergonomic stand, or often multitask with Picture-in-Picture mode.
Choose the LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor if: you play fast-paced games, want smoother motion with a 1ms response time, or need HDMI 2.1 support for next-gen consoles.

A

Quality Seekers

Higher user rating (4.4★ vs 4.3★) indicates better overall satisfaction

→ Choose Dell S2721QS

A

Safe Choice Buyers

More widely tested with 1,905 reviews vs 488

→ Choose Dell S2721QS

A

Razor-sharp 4K resolution Priority

Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity

→ Choose Dell S2721QS

B

HDMI 2.1 ports Priority

HDMI 2.1 ports support full 4K at 144Hz (PC) and 120Hz (PS5/Xbox Series X) without chroma subsampling

→ Choose LG 27GR93U-B

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Bottom line: The Dell S2721QS 27" 4K UHD IPS Monitor edges ahead with a 4.4★ rating compared to 4.3★. However, LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: Dell S2721QS 27" 4K UHD IPS Monitor or LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor?

Dell S2721QS 27" 4K UHD IPS Monitor is the better choice if you prioritize razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor wins if you value hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. Both are rated highly (4.4★ vs 4.3★), so consider your specific needs and budget.

+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor?

Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, while LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor stands out with hdmi 2.1 ports support full 4k at 144hz (pc) and 120hz (ps5/xbox series x) without chroma subsampling. Consider that Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. Meanwhile, LG 27GR93U-B 27" UltraGear 4K 144Hz IPS Gaming Monitor no usb-c input or built-in kvm switch (unlike gigabyte m27u/m28u competitors). Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

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