Dell S2721QS 27" 4K UHD IPS Monitor vs ARZOPA A1 15.6" FHD Portable Monitor
The Dell S2721QS 27" 4K UHD IPS Monitor is the premium option here, boasting a stunning 4K resolution at 3840 x 2160 pixels. In contrast, the ARZOPA A1 15.6" FHD Portable Monitor is a budget-friendly choice with a resolution of 1920 x 1080 pixels. The key difference? The Dell's 99% sRGB color coverage delivers vibrant visuals, while the ARZOPA's 45% NTSC leads to washed-out colors, making it less ideal for photography. In real-world use, the Dell's 27" display provides razor-sharp text clarity with a pixel density of 163 PPI, perfect for multitasking or media consumption. Meanwhile, the ARZOPA's ultra-lightweight design at just 1.6 lbs is a no-brainer for travel, but its brightness of 300 nits struggles in direct sunlight. If you're serious about display quality, the Dell is clearly worth the upgrade, especially for creators and gamers alike.
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Dell S2721QS 27" 4K UHD IPS Monitor
ARZOPA A1 15.6" FHD Portable Monitor
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 ARZOPA A1 15.6" FHD Portable Monitor
Dell S2721QS 27" 4K UHD IPS Monitor
ARZOPA A1 15.6" FHD Portable Monitor
| Criterion | Dell S2721QS 27" 4K UHD IPS Monitor | ARZOPA A1 15.6" FHD Portable Monitor |
|---|---|---|
| Rating | ★4.9(24)Best Buy | ★4.4(14,391)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) | N/A (Not specified) |
Brightness | 350 nits (Typical) | 300 cd/m² (Typical) |
Contrast | 1,300:1 (Typical) | 1,200:1 (Static) |
Color Gamut | 99% sRGB | 45% NTSC (approx. 65% sRGB) |
Color Depth | 1.07 Billion (10-bit via 8-bit + FRC) | 6-bit (262K colors) |
HDR | HDR Playback Support (Not VESA Certified) | HDR10 (Signal support only) |
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) | Yes (2x 1W) |
Ports | 2x HDMI 2.0; 1x DisplayPort 1.2; 1x 3.5mm Audio Line-out | 1x Mini HDMI; 2x USB-C (Full Function: DP Alt Mode + Power Delivery); 1x 3.5mm Audio Out |
USB C | No | Yes (2x USB-C with Pass-Through Charging support) |
Kvm | No | No |
Vesa | 100 x 100 mm | No (Not supported) |
Ergonomics | Height (110mm), Tilt (-5° to 21°), Swivel (-30° to 30°), Pivot (90°) | Built-in adjustable kickstand (0° to 90° tilt) |
Power Consumption | 28 W (Typical) / 52 W (Max) / 0.3 W (Standby) | 8 W (Max); Requires 5V/2.4A source |
Weight With Stand | 6,400 g (14.11 lbs) | 725 g (1.6 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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ARZOPA A1 15.6" FHD Portable Monitor
✓ Pros:
- • Ultra-lightweight design (1.6 lbs) makes it ideal for travel
- • Plug-and-play single cable connection via USB-C for compatible laptops
- • Includes necessary cables (USB-C to USB-C, Mini HDMI to HDMI, USB-A to USB-C)
- • Built-in kickstand offers decent stability without needing a separate cover
- • Pass-through charging allows you to power the monitor and charge a connected device simultaneously
✗ Cons:
- • Limited color gamut (45% NTSC) makes colors look washed out; not suitable for photo editing
- • No VESA mounting holes limits installation options
- • Brightness (300 nits) is sufficient for indoors but struggles in direct sunlight
- • Lacks a built-in battery; must draw power from the connected device or wall adapter
- • 6-bit color depth can result in visible color banding in gradients
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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 ARZOPA's FHD display. That said, grab the ARZOPA A1 if you need a lightweight, portable monitor for travel - it's lighter and budget-friendly.
Who should buy each?
Choose the Dell S2721QS 27" 4K UHD IPS Monitor if: you need stunning 4K resolution for photo editing, appreciate a fully adjustable ergonomic stand, or watch HDR content frequently.
Choose the ARZOPA A1 15.6" FHD Portable Monitor if: you want a lightweight monitor for on-the-go use, need a budget-friendly option, or prefer plug-and-play connectivity with USB-C. (15.6" display, 25.57 oz weight)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
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. ARZOPA A1 15.6" FHD Portable Monitor is better if you prioritize ultra-lightweight design (1.6 lbs) makes it ideal for travel. 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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