ViewSonic VG3456CA 34" vs Dell UltraSharp U4025QW 39.7"

ViewSonic VG3456CA 34" Black

ViewSonic VG3456CA 34" Black

ViewSonic
61 Overall Score
vs
Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025

Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025

Dell
96 Overall Score

What Buyers Say

ViewSonic VG3456CA 34" Black

No customer feedback yet

Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025

87 out of 100 high confidence 33 reviews

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
👍 Display quality 12
👍 Productivity 8
👍 Connectivity 7
👍 Kvm switch 5
👎 Firmware updates 2
🤔 Build quality 3

Scores

Office
ViewSonic
65
Dell
100
Professional
ViewSonic
58
Dell
84
Entertainment
ViewSonic
61
Dell
82
Creative
ViewSonic
56
Dell
80
Gaming
ViewSonic
58
Dell
76
Portable
ViewSonic
11
Dell
16

Specifications

ViewSonic VG3456CA 34"Dell UltraSharp U4025QW 39.7"
Display
Size34"39.7"
Resolution3440 x 14405120 x 2160
Panel TypeVAIPS★
Aspect Ratio21:921:9
Curved✓✓
Curvature1,5002,500
Screen Finishmattematte
Performance
Refresh Rate100 Hz120 Hz★
Response Time5 ms5 ms
Adaptive SyncAdaptive-SyncAdaptive-Sync
Color & HDR
Brightness350 nits600 nits★
Color Gamut10 bit (8 bit + FRC)100% sRGB, 100% Rec. 709, 99% DCI-P3
Color Depth10 bit (8 bit + FRC)10-bit★
HDRYesDisplayHDR 600
HDR Support—HDR600
Connectivity
HDMI Ports2★1
DisplayPort11
USB-C13★
Thunderbolt—Thunderbolt 4
Speakers✓✓
Headphone Jack✓✓
Ergonomics
Height Adjustable✓✓
Tilt✓✓
Swivel✓✓
Pivot✗✓★
VESA Mount100x100100x100
Features
Webcam✗✗
Touchscreen✗✗
PIP/PBP✗✓★
Power43W★380W
Weight9.40 kg8.35 kg★

Pros & Cons

ViewSonic VG3456CA 34" Black

  • Strong feature (90th percentile)90th %ile
  • Strong connectivity (88th percentile)88th %ile
  • Strong display (79th percentile)
  • Strong ergonomic (74th 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

ViewSonic VG3456CA 34" Black

No current pricing available

Dell UltraSharp U4025QW 39.7" Black, Silver, Dual Color 2025

Verdict

★ Winner: Dell UltraSharp U4025QW 39.7"

Scores 96 overall, wins 6 of 6 usage categories and 8 of 31 specs.

Dell UltraSharp U4025QW 39.7" Better at:

GamingOfficeCreativePortableProfessionalEntertainment

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