39.7″ Dell U4025QW – Specs & Features
The Dell U4025QW is a 39.7-inch 5120 x 2160 Monitor designed for gaming and multimedia. It features a IPS (LG Display) panel for accurate colours and wide viewing angles. The Monitor is suitable for gaming and creative work and includes 48 Hz - 120 Hz refresh rate and USB-C connectivity. However, it may not be ideal for blacks appear grey in dark environments compared to VA or OLED. It scores Great — 8.4/10 across our display performance benchmarks.
- IPS (LG Display) panel delivers consistent colour accuracy across a 178° horizontal and vertical viewing angle.
Scores and analysis are based on DisplayInput – Monitor & TV Specs Comparison's display benchmark methodology across 6 verified specifications. Data sourced from Dell's official specifications and independent lab measurements.
Display Performance
Who Should Buy the Dell U4025QW
Real-World Use Cases
Pros & Cons
- IPS panel consistent 178°/178° viewing angles with accurate, uniform color reproduction
- Premium DisplayHDR 600 certification vivid highlights with excellent HDR depth
- 4K UHD resolution at 140 PPI razor-sharp detail for productivity and premium content
- 120Hz refresh rate smooth, comfortable scrolling and video playback
- 99% DCI-P3 cinema-grade wide-gamut color fidelity for professional creative work
- IPS contrast (2000 : 1) blacks appear grey in dark environments compared to VA or OLED
- Large 39.7" form factor requires a wide, deep desk with clear cable routing space
- IPS glow at screen corners common panel characteristic visible during dark scenes
- No factory calibration certificate colour-critical work may require professional calibration
- On-screen display navigation requires multiple button presses to adjust settings
Score & Ratings
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brand | Dell | |
| Model | U4025QW | |
| Series | UltraSharp | |
| Model Alias | UltraSharp U4025QW | |
| Model Year | 2024 |
✓ Good 2024 — recent model. Most modern features included.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Size Class | 39.7-inch |
✓ Good 39" — popular desktop size. Enough space for multitasking without head movement.
|
| Panel Type | IPS (LG Display) |
✓ Good IPS — consistent colour accuracy across 178° viewing angle. No colour shift when viewed from the side.
|
| Curvature | 2500 mm (millimeters) |
△ Average 2500 mm (millimeters) curve — subtle. Mostly cosmetic; minimal immersive benefit.
|
| Resolution | 5120 x 2160 |
✓ Good 4K UHD (3840×2160) — four times 1080p. Pin-sharp text, exceptional photo and video detail at any screen size.
|
| Aspect Ratio | - | |
| Pixel Density | 140 PPI |
✓ Good 140 PPI — sharp. Individual pixels not visible at typical desk distance.
|
| Pixel Pitch | 0.182 mm (millimeters) |
✓ Good 0.182 mm (millimeters) pitch — fine. Comfortable sharpness at desk viewing distances.
|
| Display Area | 91.83 % (percent) |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Color Depth | 10 bits (8 bits + FRC) (FRC: Yes) |
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
|
| Colors | 1073741824 colors |
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
|
| sRGB | 100% |
✓ Good 100% sRGB — virtually complete coverage. Colour output matches what clients and printers receive exactly.
|
| DCI-P3 Coverage | 99% |
✓ Good 99% DCI-P3 — virtually complete coverage. Colour output matches what clients and printers receive exactly.
|
| HDR Support | DisplayHDR 600 |
✓ Good HDR600 — impactful HDR. Noticeably better than HDR400 in bright highlights and dark shadows.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brightness (Typical) | 450 cd/m² |
△ Average 450 cd/m² — adequate for bright rooms and entry HDR. Standard office use is comfortable.
|
| Peak Brightness | 600 cd/m² |
✓ Good 600 cd/m² — strong HDR headroom. Noticeably impactful HDR on Netflix and games.
|
| Contrast | 2000 : 1 |
✓ Good 2000 : 1 — above-average contrast. Good for movie watching in mixed lighting.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Refresh Rate | 48 Hz - 120 Hz |
✓ Good 120Hz — enables PS5 and Xbox Series X 120fps Performance Mode. Also smooth for everyday desktop use.
|
| Response Time | 5 ms (GtG) |
△ Average 5 ms (GtG) GtG — acceptable for office and casual gaming. Some blur visible in very fast scenes.
|
| Adaptive Sync | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Advanced Display Technologies | Panel Technology: - Backlight: W-LED Viewing Angles: 178° / 178° (H / V) MPRT Response: - Dynamic Contrast: - Input Lag: 4.7 ms Screen Coating: Anti-glare/Matte (3H) |
Anti-glare matte coating. 178° wide viewing angles.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Camera | No |
⚠ Limited No built-in camera. An external webcam is needed for video calls.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Audio | 2 x 9 W (watts) | 3.5 mm Audio Out |
3.5mm headphone/audio output — connects wired headphones or routes audio to external speakers.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Ports | 1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data only) 2 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 15W) 4 x USB 3.2 (Type-A; Gen 2; 10 Gbps; downstream) 1 x Ethernet RJ45 (Wake on LAN; PXE boot; MAC address pass-thru) 1 x HDMI 2.1 1 x DisplayPort 1.4 2 x Thunderbolt 4.0 (Type-C; upstream; 140W; DP Alt Mode) 1 x 3.5 mm Audio Out High-bandwidth Digital Content Protection (HDCP) 2.2 |
✓ Good Thunderbolt 4 (40Gbps + 100W charging + daisy-chain). HDMI 2.1 — supports 4K@144Hz or 8K@60Hz bandwidth. DisplayPort 1.4 — full bandwidth for high-refresh PC gaming. Ethernet port — wired network for stable 4K streaming.
|
| Wireless | - |
| Specification | Value | 💡 What It Means |
|---|---|---|
| VESA Mount | 100 x 100 mm |
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
|
| Height Adjustment | 150 mm |
✓ Good 150 mm height range — excellent ergonomics. Adapts to any chair height or desk setup.
|
| Pivot | No |
⚠ Limited No pivot — cannot rotate to portrait orientation.
|
| Swivel | ±30° |
✓ Good Swivel — rotates left and right without moving the base. Easy screen sharing or multi-person viewing.
|
| Tilt | -5° to +21° |
✓ Good Tilt ±5° — adjustable screen angle reduces neck strain and matches your eye level.
|
| Removable Stand | Yes |
✓ Good Stand detaches cleanly from the panel — mount on any VESA arm or wall bracket without a leftover collar.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Gaming Features | Picture-by-Picture Picture-in-Picture |
| Specification | Value | 💡 What It Means |
|---|---|---|
| Operating System | - |
No smart OS — this is a PC monitor. All input comes from connected computers or consoles.
|
| Smart Features | Adaptive-Sync technology Ambient Light Sensor Auto KVM ComfortView Plus Flicker-free technology IPS Black Network KVM Low Blue Light OSD joystick |
✓ Good Adaptive-Sync technology
Ambient Light Sensor
Auto KVM
ComfortView Plus
Flicker-free technology
IPS Black
Network KVM
Low Blue Light
OSD joystick — software features including OSD controls and display calibration tools.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Voltage | 100–240V |
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
|
| Frequency | 50/60Hz |
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
|
| Average Consumption | - |
Power consumption data not published for this model. Check the energy label on packaging.
|
| Maximum Consumption | - |
Peak power draw not published. Typically 2–3× the average consumption figure.
|
| Standby | 0.3W |
✓ Good 0.3W standby — near-zero idle power. Excellent energy compliance.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Certificates | Energy Star EPEAT Gold Eye Comfort 3.0 RoHS TÜV Rheinland 5-star Eye Comfort Certified |
✓ Good ENERGY STAR — US energy efficiency standard. EPEAT — sustainable electronics certification. RoHS — EU hazardous substances compliant. CE — meets EU safety & electromagnetic standards.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Without Stand Width | 946.6 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Height | 419.1 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Depth | 59.6 mm |
Panel dimensions without stand attached. Use for wall-mount space planning.
|
| Without Stand Weight | 8.35 kg |
△ Average 8.35 kg — standard weight for this panel size.
|
| With Stand Width | 946.6 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Height | 457.8 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Depth | 248 mm |
Overall footprint with stand. Use when planning desk or shelf placement.
|
| With Stand Weight | 12.22 kg |
△ Average 12.22 kg — standard weight for this panel size.
|
| Color | Black and Silver |
Available colour finish for this unit.
|
| Specification | Value | 💡 What It Means |
|---|---|---|
| Temperature | 0°C – 40°C |
Operating environment range. Keep within these limits for reliable long-term performance.
|
| Humidity | 10% – 80% |
Operating environment range. Keep within these limits for reliable long-term performance.
|