ZZA Z27B 27" vs Dell UltraSharp U4025QW 39.7"
ZZA Z27B 27" Black 2025
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025
What Buyers Say
ZZA Z27B 27" Black 2025
This ZZA monitor receives generally positive reviews for value and image quality, with most users praising its clarity and suitability for gaming or productivity. However, a few verified buyers report early defects like color issues or a faulty mount cover, which slightly dampens the overall sentiment.
Pros
- clear and sharp image quality
- good value for money
- handles gaming well
- great for productivity and basic tasks
- curved design improves visibility
Cons
- color issues after a few days
- faulty mount cover
- early defect for some units
- not meeting expectations for color accuracy
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025
The Dell UltraSharp U4025QW is widely praised as an exceptional productivity monitor, with users highlighting its stunning 5K2K resolution, vibrant IPS Black colors, and excellent text clarity. The built-in Thunderbolt 4 hub and KVM switch are major selling points, simplifying multi-device setups and reducing desk clutter. However, some users report significant issues with firmware updates, particularly on Macs, and note that the monitor is heavy and its anti-glare coating is less effective than competitors. Overall, it is considered a premium, high-value investment for professionals despite a few notable drawbacks.
Pros
- Exceptional 5K2K resolution
- Vibrant IPS Black colors
- Built-in Thunderbolt 4 hub
- Effective KVM switch
- Excellent text clarity
Cons
- Firmware update issues on Mac
- Heavy (19 lbs)
- Anti-glare coating less effective
- KVM limited to two devices
- Thick design for webcams
Scores
Specifications
| ZZA Z27B 27" | Dell UltraSharp U4025QW 39.7" | |
|---|---|---|
| Display | ||
| Size | 27" | 39.7" |
| Resolution | 1920 x 1080 | 5120 x 2160 |
| Panel Type | VA | IPS★ |
| Aspect Ratio | 16:9 | 21:9 |
| Curved | ✓ | ✓ |
| Curvature | 1,650 | 2,500 |
| Screen Finish | matte | matte |
| Performance | ||
| Refresh Rate | 144 Hz★ | 120 Hz |
| Response Time | 3 ms★ | 5 ms |
| Adaptive Sync | — | Adaptive-Sync |
| Color & HDR | ||
| Brightness | 300 nits | 600 nits★ |
| Color Gamut | 99% | 100% sRGB, 100% Rec. 709, 99% DCI-P3 |
| Color Depth | — | 10-bit★ |
| HDR | HDR10 | DisplayHDR 600 |
| HDR Support | — | HDR600 |
| Connectivity | ||
| HDMI Ports | 1 | 1 |
| DisplayPort | 0 | 1★ |
| USB-C | — | 3★ |
| Thunderbolt | — | Thunderbolt 4 |
| Speakers | ✗ | ✓★ |
| Headphone Jack | — | ✓★ |
| Ergonomics | ||
| Height Adjustable | — | ✓★ |
| Tilt | ✓ | ✓ |
| Swivel | — | ✓★ |
| Pivot | — | ✓★ |
| VESA Mount | 100x100 | 100x100 |
| Features | ||
| Webcam | — | ✗ |
| Touchscreen | — | ✗ |
| PIP/PBP | — | ✓★ |
| Power | — | 380W★ |
| Weight | 3.00 kg★ | 8.35 kg |
Pros & Cons
ZZA Z27B 27" Black 2025
- Strong feature (90th percentile)90th %ile
- Strong social proof (78th percentile)
- Below average portability (13th percentile)13th %ile
- Below average connectivity (22nd percentile)
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025
- Strong connectivity (99th percentile)99th %ile
- Strong display (99th percentile)99th %ile
- Strong color (98th percentile)98th %ile
- Strong social proof (98th percentile)98th %ile
Pricing
Verdict
Scores 96 overall, wins 6 of 6 usage categories and 12 of 31 specs.
