Dell UltraSharp 27 4K Monitor (U2718Q) vs Dell UltraSharp 27 Thunderbolt Hub (U2724DE)
Better figure, where one is clearly better
| DellUltraSharp 27 4K Monitor (U2718Q) | DellUltraSharp 27 Thunderbolt Hub (U2724DE) | |
|---|---|---|
| Overview | ||
| Released | 2017 | November 2023 |
| Display | ||
| Screen size | 27″ | 27″ |
| Resolution | 3840 × 2160 (4K) (better) | 2560 × 1440 (QHD) |
| Sharpness | 163 pixels per inch (better) | 109 pixels per inch |
| Panel | IPS | IPS (IPS Black) |
| Refresh rate | 60 Hz | 120 Hz (better) |
| Response time (grey to grey) | 5 ms | 5 ms |
| Brightness (typical) | 350 nits | 350 nits |
| HDR formats | HDR10 through HDMI (Dell HDR) | – |
| Contrast ratio | 1,300:1 | 2,000:1 |
| Colour range | 99.9% sRGB, 99.9% Rec. 709, 80.7% DCI-P3 | 98% DCI-P3, 98% Display P3, 100% sRGB |
| DCI-P3 coverage | 80.7% | 98% (better) |
| Colour accuracy (Delta E) | Below 2 | Below 2 |
| Screen finish | Matte | Matte |
| Shape | Flat | Flat |
| Adaptive sync | – | HDMI VRR |
| Colour depth | 1.07 billion colours. | 1.07 billion colours |
| sRGB coverage | 99.9% | 100% |
| Colour accuracy | Factory calibrated to average Delta E < 2. | Delta E < 2 (average) (sRGB, BT.709, Display P3, DCI-P3); factory calibration report in the box |
| Colour modes | 99.9% sRGB and Rec. 709; 80.7% DCI-P3. | – |
| HDR detail | Dell HDR accepts HDR10 from a compatible HDMI source. Dell cautions that its implementation differs from TV HDR standards; independent reviewers found the effect limited. | – |
| Response time detail | 5 ms grey-to-grey in Fast mode; 8 ms in Normal mode. | 5 ms (Fast), 8 ms (Normal) |
| Variable refresh range | – | 48–120 Hz (vertical scan range); Dynamic Refresh Rate (DRR) for Windows 11 |
| Viewing angles | 178° horizontal and vertical (typical). | 178° horizontal, 178° vertical (typical) |
| Pixel pitch | 0.1554 × 0.1554 mm. | 0.2331 mm x 0.2331 mm |
| Eye care | Flicker-free screen and ComfortView low-blue-light mode, TÜV certified according to Dell. | ComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor (Auto Brightness); flicker-free |
| Connections | ||
| Video inputs | HDMI 2.0, 2 × DisplayPort 1.2 | HDMI 2.1 (TMDS), DisplayPort 1.4, Thunderbolt 4 |
| USB-C charging | None | Up to 90 W (better) |
| USB ports | 4 × USB-A | USB-C, 4 × USB-A, Thunderbolt 4 |
| KVM switch | – | Yes |
| Ethernet | – | Yes |
| Speakers | No | No |
| HDMI detail | One HDMI 2.0 input; the independent HEXUS test found HDR10 input was limited to HDMI. | 1 x HDMI (HDCP 1.4), up to 2560 x 1440 at 120 Hz TMDS with VRR as specified in HDMI 2.1; no FRL, HDR or ARC |
| DisplayPort detail | One DisplayPort 1.2 input and one Mini DisplayPort 1.2 input. | 1 x DisplayPort 1.4 in (DRR for Windows); 1 x DisplayPort out |
| USB-C detail | – | Thunderbolt 4 upstream (DisplayPort 1.4 Alt Mode, USB 10Gbps, Power Delivery up to 90 W); USB-C 10Gbps upstream (data only); 1 x USB-C 10Gbps downstream quick-access port (15 W) |
| Daisy chaining | – | DisplayPort out, or Thunderbolt 4 downstream (15 W, video only when daisy chaining); Multi-Monitor Sync of OSD settings |
| USB hub detail | Four downstream USB 3.0 Type-A ports and one upstream USB 3.0 Type-B port; two downstream ports support BC 1.2 charging at up to 2 A. | 3 x USB-A 10Gbps rear; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 1 x USB-C 10Gbps (15 W) |
| Picture by picture | – | Picture by Picture and Picture in Picture, with KVM switching in PBP |
| Audio out | Audio line out for external speakers; Dell says it does not support headphones. | 3.5 mm audio line out |
| Design | ||
| Stand adjusts | Height, tilt, swivel, pivot | Height, tilt, swivel, pivot |
| VESA mount | Yes | Yes |
| Weight with stand | 6.55 kg | 7.37 kg |
| Height adjustment | 130 mm. | 150 mm |
| Tilt | -5° to 21°. | -5° to 21° |
| Swivel | -45° to 45°. | -45° to 45° |
| Pivot | -90° to 90°. | -90° to 90° |
| VESA pattern | 100 × 100 mm. | 100 x 100 mm |
| Size with stand | 611.3 × 200.3 × 410.2–540.2 mm (width × depth × height). | 612.24 x 192.28 x 385.58–535.58 mm (W x D x H) |
| Size without stand | – | 612.24 x 50.12 x 352.51 mm (W x D x H) |
| Weight without stand | 3.70 kg. | 5.23 kg |
| Power and support | ||
| Power use | 30 W typical; less than 0.3 W in standby or sleep. | 24.4 W on mode, 0.5 W standby, 1.5 W networked standby, 0.3 W off, 225 W maximum |
| Energy class | – | F |
| Power supply | 100–240 V AC, 50/60 Hz. | 100–240 VAC, 50/60 Hz, 2.65 A (maximum) |
| Software | Dell Display Manager with Easy Arrange. | Dell Display and Peripheral Manager (Easy Arrange) |
| Certifications | – | TÜV Rheinland Eye Comfort 3.0 (5 star), TÜV Rheinland hardware low blue light (Category 2) |
| Warranty | Three years of Advanced Exchange Service and limited hardware warranty in Dell's product sheet; regional terms may differ. | 3 years limited hardware with Premium Panel Exchange (UK) |
| In the box | Stand, DisplayPort cable, USB 3.0 upstream cable, power cable, factory calibration report and documentation. Dell's product sheet does not list an HDMI cable. | Stand, power cable, DisplayPort cable (1.8 m), Thunderbolt 4 cable (1 m), USB-A to USB-C cable (1 m), factory calibration report |
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