Dell S2721QS 27" 4K UHD IPS Monitor vs ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor
The Dell S2721QS 27" 4K UHD IPS Monitor crushes the ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor in terms of display quality with a stunning 4K resolution versus the ZenScreen’s FHD. This means sharper images and text clarity that’s perfect for design work or binge-watching your favorite shows. Weighing in at 14.09 lb, the Dell is more of a desktop powerhouse, while the 1.57 lb ASUS is ultra-portable and easily fits in your laptop bag. If you need a monitor that can travel with you, ASUS is the way to go, but be ready for lower brightness and color accuracy on the ZenScreen, which peaks at just 220 nits and offers only 262K colors. Key specs: Display: 27" vs 15.6" and Weight: 225.75 oz vs 25.04 oz.
Why compare these? The Dell S2721QS 27" 4K UHD IPS Monitor (mid-range) and ASUS ZenScreen MB16ACE 15.6" FHD Portable 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.
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Key Differences at a Glance
| Aspect | Dell S2721QS | ASUS ZenScreen |
|---|---|---|
| User Rating | ✓4.4★ (1,905 reviews) | 4.3★ (2,451 reviews) |
| Top Strength | Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity | Hybrid Signal Solution allows connection to both USB-C and USB-A (via driver) devices |
| Main Drawback | Limited to 60Hz, making it less suitable for fast-paced gaming | Low peak brightness (220 nits typical) makes it difficult to use in bright environments |
| 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)

ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor
15.6" (39.6 cm)
1920 x 1080 (FHD)
16:9
IPS
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.
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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 ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor

Dell S2721QS 27" 4K UHD IPS Monitor

ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor
| Criterion | Dell S2721QS 27" 4K UHD IPS Monitor | ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor |
|---|---|---|
| Rating | ★4.4(1,905)Amazon | ★4.3(2,451)Amazon |
Screen Size | 27" Viewable (27" Class) | 15.6" (39.6 cm) |
Resolution | 3840 x 2160 (4K UHD) | 1920 x 1080 (FHD) |
Aspect Ratio | 16:9 | 16:9 |
Screen Type | IPS (In-Plane Switching) | IPS |
Refresh Rate | 60 Hz | 60 Hz |
Response Time | 4 ms (Gray-to-Gray Extreme Mode) | 5 ms (GtG) |
Brightness | 350 nits (Typical) | 220 cd/m² (Typical); 250 cd/m² (Peak) |
Contrast | 1,300:1 (Typical) | 800:1 (Static) |
Color Gamut | 99% sRGB | 45% NTSC (approx. 62-70% sRGB) |
Color Depth | 1.07 Billion (10-bit via 8-bit + FRC) | 6-bit (262K colors) |
HDR | HDR Playback Support (Not VESA Certified) | No (Not supported) |
Adaptive Sync | AMD FreeSync (40Hz - 60Hz) | No (Not supported) |
Viewing Angles | 178° (H) / 178° (V) | 178° (H) / 178° (V) |
Curvature | Flat | No (Flat panel) |
Speakers | 2x 3 W (Stereo) | No |
Ports | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out | 1x USB-C (Hybrid Signal Solution: Supports DP Alt Mode & USB 3.0 via driver) |
USB C | No | Yes (1x USB-C for Video + Power) |
Kvm | No | No |
Vesa | 100 x 100 mm | No (Not supported) |
Ergonomics | Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°) | Smart Case (Tilt); Auto-rotation (Portrait/Landscape via software); Pen hole prop |
Power Consumption | 28 W (Typical) / 52 W (Max) / 0.3 W (Standby) | 8 W (Typical); 0 W (Hard Switch Off) |
Weight With Stand | 6,400 g (14.11 lbs) | 710 g (1.57 lbs) [Monitor only]; Case adds approx. 400g |
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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

ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor
15.6" (39.6 cm)
1920 x 1080 (FHD)
16:9
IPS
60 Hz
5 ms (GtG)
Pros
- Hybrid Signal Solution allows connection to both USB-C and USB-A (via driver) devices
- Ultra-lightweight (1.57 lbs) and slim (8mm) design fits easily in laptop bags
Cons
- Low peak brightness (220 nits typical) makes it difficult to use in bright environments
- 6-bit color depth (262K colors) results in inferior color accuracy and gradients
Which one is better?
The Dell S2721QS 27" 4K UHD IPS Monitor is the better buy for most people - its razor-sharp 4K resolution crushes the ASUS ZenScreen's FHD display. That said, grab the ASUS ZenScreen if you need something lightweight and portable - it's lighter, making it a no-brainer for travel.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you want stunning 4K resolution for design work, enjoy high-definition video for gaming, or need a monitor for a permanent desk setup.
Choose the ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor if: you travel frequently and need a lightweight solution, you use it for casual browsing and documents, or you want a budget-friendly option for occasional use. (15.6" display, 25.04 oz weight)
Quality Seekers
Higher user rating (4.4★ vs 4.3★) indicates better overall satisfaction
→ 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 ASUS ZenScreen
Razor-sharp 4K resolution Priority
Razor-sharp 4K resolution (163 PPI) delivers excellent text clarity
→ Choose Dell S2721QS
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, ASUS ZenScreen MB16ACE 15.6" FHD Portable 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 ASUS ZenScreen MB16ACE 15.6" FHD Portable 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. ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor wins if you value hybrid signal solution allows connection to both usb-c and usb-a (via driver) devices. 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 ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor?
Key differences: Dell S2721QS 27" 4K UHD IPS Monitor offers razor-sharp 4k resolution (163 ppi) delivers excellent text clarity, while ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor stands out with hybrid signal solution allows connection to both usb-c and usb-a (via driver) devices. Consider that Dell S2721QS 27" 4K UHD IPS Monitor limited to 60hz, making it less suitable for fast-paced gaming. Meanwhile, ASUS ZenScreen MB16ACE 15.6" FHD Portable Monitor low peak brightness (220 nits typical) makes it difficult to use in bright environments. 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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