Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2024
Dell
91 Overall Score
vs
KYY K5 15.6" 2025
KYY
58 Overall Score
What Buyers Say
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2024
No customer feedback yet
KYY K5 15.6" 2025
78 out of 100 low confidence 6 reviews
The KYY 4K portable monitor receives mostly positive feedback for its sharp resolution, portability, and intuitive controls. Verified buyers praise its plug-and-play setup, included cables, and compatibility with both Windows and Mac. However, one unit arrived defective, and a detailed review notes that HDR performance is weak due to limited brightness. Overall, it is seen as a solid SDR monitor for on-the-go productivity.
Pros
- Sharp 4K resolution
- Plug-and-play setup
- Portable and lightweight
- Intuitive controls and menus
- Includes multiple cables
Cons
- Defective unit reported
- Weak HDR performance
- Limited brightness for HDR
- Mushy control knob click
- Small text at 4K on small screen
Display quality 5
Portability 4
Ease of setup 4
Build quality 3
Hdr performance 2
Defective unit 1
Scores
Office
Portable
Professional
Entertainment
Creative
Gaming
Specifications
| Dell UltraSharp U4025QW 39.7" | KYY K5 15.6" | |
|---|---|---|
| Display | ||
| Size | 39.7" | 15.6" |
| Resolution | 5120 x 2160 | 3840 x 2160 |
| Panel Type | IPS | IPS |
| Aspect Ratio | 21:9 | 16:9 |
| Curved | ✓ | — |
| Curvature | 2,500 | — |
| Screen Finish | matte | — |
| Performance | ||
| Refresh Rate | 120 Hz★ | 60 Hz |
| Response Time | 5 ms★ | — |
| Adaptive Sync | Adaptive-Sync | — |
| Color & HDR | ||
| Brightness | 600 nits★ | 400 nits |
| Color Gamut | DCI-P3 99%, Display P3 99%, sRGB 100%, BT.709 100% | 100% sRGB |
| Color Depth | 10-bit★ | 8-Bit |
| HDR | DisplayHDR 600 | HDR |
| HDR Support | HDR600 | — |
| Connectivity | ||
| HDMI Ports | 1★ | — |
| DisplayPort | 1★ | — |
| USB-C | 3★ | 2 |
| Thunderbolt | Thunderbolt 4 | — |
| Speakers | ✓ | ✓ |
| Headphone Jack | ✓★ | — |
| Ergonomics | ||
| Height Adjustable | ✓★ | — |
| Tilt | ✓★ | — |
| Swivel | ✓★ | — |
| Pivot | ✓★ | — |
| VESA Mount | 100x100 | 75x75 |
| Features | ||
| Webcam | ✗ | — |
| Touchscreen | ✗ | — |
| PIP/PBP | ✓★ | — |
| Power | 380W★ | — |
| Weight | 8.35 kg | 1.60 kg★ |
Pros & Cons
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2024
- Strong connectivity (99th percentile)99th %ile
- Strong display (99th percentile)99th %ile
- Strong color (98th percentile)98th %ile
- Strong feature (96th percentile)96th %ile
KYY K5 15.6" 2025
- Strong portability (95th percentile)95th %ile
- Strong social proof (85th percentile)85th %ile
- Strong display (84th percentile)84th %ile
- Strong color (82nd percentile)82nd %ile
- Below average performance (21st percentile)
- Below average ergonomic (32nd percentile)
Verdict
Winner: Dell UltraSharp U4025QW 39.7"
Scores 91 overall, wins 5 of 6 usage categories and 14 of 31 specs.