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 is the premium pick here, boasting a razor-sharp 4K resolution with 163 PPI and a fully ergonomic stand. In real-world use, its outstanding text clarity makes it ideal for productivity and media consumption, but it falls short in refresh rate at just 60Hz. On the flip side, the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is a budget-friendly option with a refresh rate of 160Hz, making it a game-changer for fast-paced gaming. You'll appreciate the 600 nits brightness and innovative Dual Mode for switching between high-res 4K and ultra-fast 1080p, but the OSD navigation can be clunky. Key specs: Refresh: 60 Hz vs 320 Hz and Weight: 225.75 oz vs 237.04 oz.
Why compare these? The Dell S2721QS 27" 4K UHD IPS Monitor (mid-range) and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor (entry-level) represent different approaches to monitors. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
As an Amazon Associate I earn from qualifying purchases.
Key Differences at a Glance
| Aspect | Dell S2721QS | Acer Nitro |
|---|---|---|
| User Rating | ✓4.4★ (1,905 reviews) | 3.6★ (36 reviews) |
| Top Strength | Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity | Innovative Dual Mode: Switch between high-res 4K 160Hz or ultra-fast 1080p 320Hz |
| Main Drawback | Limited to 60Hz, making it less suitable for fast-paced gaming | OSD menu navigation can be clunky compared to competitors |
| Market Position | ✓Mid-range | Entry |
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS (In-Plane Switching)
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
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 | ★4.4(1,905)Amazon | ★3.6(36)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) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
Dell S2721QS 27" 4K UHD IPS Monitor
27" Viewable (27" Class)
3840 x 2160 (4K UHD)
16:9
IPS (In-Plane Switching)
60 Hz
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
Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor
27" (68.6 cm)
3840 x 2160 (4K UHD)
16:9
IPS (Mini-LED backlight)
160 Hz (4K); 320 Hz (1080p via DFR Dual Mode)
1 ms (GtG)
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
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
Which one is better?
The Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor is the better buy for most gamers - its 160Hz refresh rate crushes the Dell S2721QS’s 60Hz. That said, grab the Dell if you need exceptional text clarity for work or content creation, as its 4K resolution delivers impressive detail.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you prioritize text clarity for work, value ergonomic design, or enjoy media consumption at high resolution. (60 Hz refresh, 225.75 oz weight)
Choose the Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor if: you play fast-paced games, need a versatile monitor for both gaming and content creation, or want USB-C connectivity with power delivery. (320 Hz refresh, 237.04 oz weight)
Quality Seekers
Higher user rating (4.4★ vs 3.6★) indicates better overall satisfaction
→ Choose Dell S2721QS
Safe Choice Buyers
More widely tested with 1,905 reviews vs 36
→ Choose Dell S2721QS
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Dell S2721QS
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Acer Nitro
Conclusion
Dell S2721QS 27" 4K UHD IPS Monitor and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Bottom line: The Dell S2721QS 27" 4K UHD IPS Monitor edges ahead with a 4.4★ rating compared to 3.6★. However, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode 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 Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode 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. Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor wins if you value innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Both are rated highly (4.4★ vs 3.6★), so consider your specific needs and budget.
+What are the main differences between Dell S2721QS 27" 4K UHD IPS Monitor and Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor?
Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, while Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor stands out with innovative dual mode: switch between high-res 4k 160hz or ultra-fast 1080p 320hz. Consider that Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. Meanwhile, Acer Nitro XV275K P5 27" 4K Mini-LED Dual-Mode Gaming Monitor osd menu navigation can be clunky compared to 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.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.