Dell S2721QS 27" 4K UHD IPS Monitor vs Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
The Dell S2721QS 27" 4K UHD IPS Monitor takes the lead with its ultra-sharp 4K resolution and ergonomic design, making it the premium option. However, the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor offers groundbreaking refresh rates of 160Hz in 4K and a staggering 320Hz in 1080p, perfect for gamers. In real-world usage, the Dell's 163 PPI provides stunning text clarity, but its 60Hz refresh rate lags behind the Acer's dual modes. The Nitro's Mini-LED backlight with 576 local dimming zones enhances brightness to 600 nits, ensuring vibrant visuals, especially for high-paced gaming or HDR content.
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Dell S2721QS 27" 4K UHD IPS Monitor
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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 Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
Dell S2721QS 27" 4K UHD IPS Monitor
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
| Criterion | Dell S2721QS 27" 4K UHD IPS Monitor | Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor |
|---|---|---|
| Rating | ★4.9(24)Best Buy | ★3.8(32)Amazon |
Screen Size | 27" Viewable (27" Class) | 27" (68.6 cm) |
Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | IPS (Mini-LED backlight) |
Refresh Rate | 60 Hz | 160 Hz (4K); 320 Hz (1080p via DFR Dual Mode) |
Response Time | 4 ms (Gray-to-Gray Extreme Mode) | 1 ms (GtG) |
Brightness | 350 nits (Typical) | 600 cd/m² (Typical); 1000 cd/m² (HDR Peak) |
Contrast | 1,300:1 (Typical) | 1,000:1 (Native); 100,000,000:1 (ACM Dynamic) |
Color Gamut | 99% sRGB | 99% AdobeRGB; 95% DCI-P3 |
Color Depth | 1.07 Billion (10-bit via 8-bit + FRC) | 10-bit (8-bit + FRC) |
HDR | HDR Playback Support (Not VESA Certified) | VESA DisplayHDR 1000 (HDR10) |
Adaptive Sync | AMD FreeSync (40Hz - 60Hz) | AMD FreeSync Premium |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | No (Flat panel) |
Speakers | 2x 3 W (Stereo) | Yes (2x 3W) |
Ports | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out | 2x HDMI 2.1; 1x DisplayPort 1.4; 1x USB-C (DP Alt Mode, 90W PD); 2x USB-A 3.0 (Downstream); 1x USB-B (Upstream); 1x 3.5mm Audio Out |
USB C | No | Yes (DP Alt Mode, Data, 90W Power Delivery) |
Kvm | No | Yes (Built-in KVM switch) |
Vesa | 100 x 100 mm | 75 x 75 mm |
Ergonomics | Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°) | Tilt (-5° to 25°); Swivel (±25°); Height adj. (150 mm); Pivot (±90°) |
Power Consumption | 28 W (Typical) / 52 W (Max) / 0.3 W (Standby) | 35 W (Standard); 230 W (Max with USB-C charging) |
Weight With Stand | 6,400 g (14.11 lbs) | 6,720 g (14.82 lbs) |
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Dell S2721QS 27" 4K UHD IPS Monitor
✓ Pros:
- • Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
- • Fully adjustable ergonomic stand (Height, Pivot, Swivel, Tilt) included
- • High 1,300:1 contrast ratio is better than the standard 1,000:1 found on most IPS panels
- • Modern design with ultra-thin bezels on three sides and a textured silver back
- • Supports Picture-by-Picture (PBP) and Picture-in-Picture (PIP) for multitasking
✗ Cons:
- • Limited to 60Hz, making it less suitable for fast-paced gaming
- • Lacks USB-C connectivity and USB data hub
- • HDR support is software-based 'playback' only; lacks local dimming for true HDR
- • Response time overdrive (Extreme mode) can cause inverse ghosting artifacts
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Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
✓ Pros:
- • Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz
- • Mini-LED backlight with 576 local dimming zones delivers deep blacks and high brightness
- • Full-featured USB-C hub with 90W Power Delivery and built-in KVM switch
- • Excellent color accuracy covering 99% AdobeRGB, suitable for content creation
- • Fully adjustable ergonomic stand with portrait mode (pivot) support
✗ Cons:
- • OSD menu navigation can be clunky compared to competitors
- • Local dimming (576 zones) may show slight blooming compared to higher-tier 1000+ zone panels
- • Stand has a wide footprint, requiring significant desk depth
- • Viewing angles, while good, are slightly narrower than standard IPS due to the Mini-LED layer
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Which one is better?
The Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is the better buy for gamers - its impressive 160Hz refresh rate crushes the Dell's 60Hz. That said, grab the Dell S2721QS if you prioritize ergonomic features and 4K clarity for office work - it's designed for comfort and productivity.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you need excellent text clarity for work, you value ergonomic adjustments, or you watch media in 4K resolution.
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you game at high refresh rates, you want superior HDR performance, or you need USB-C connectivity with power delivery. (320 Hz refresh, 237.04 oz weight)
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
Dell S2721QS 27" 4K UHD IPS Monitor excels if you value razor-sharp 4k resolution (163 ppi) delivers excellent text clarity. Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is better if you prioritize innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Pick based on your budget and daily use.
+Is this an independent review?
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+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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