Skip to content

Dell · IPS · 39.7"

U4025QW

5120×2160 · 120 Hz · Ultrawide · Curved · DisplayHDR 600

Overall
93
Work
98
Play
82
Amazon
$1579
U4025QW
View U4025QW Gallery in high resolution
$1579
Available on Amazon Updated Aug 30, 2026
Overall92.8
Work98.3
Play81.9
Refresh73.0
Response60.0
Color100.0
Quality / price11.8
$1579 on Amazon Add this monitor to a build Compare this monitor Monitor table

Written analysis

U4025QW at a glance

The U4025QW is a 39.7" IPS monitor at 5120×2160 and 120 Hz. The listed aspect ratio is ultrawide. The panel is curved at 2500R. The backlight is listed as W-LED.

Best fit: productivity, document work, and color-sensitive desktop use where sharpness and office panel class matter.

Panel and image

Overall quality is 92.8, with 98.3 work and 81.9 play. Pixel density is listed at 140 PPI. Typical brightness is 450 nits with a peak of 600 nits. Contrast is listed as 2000:1. The coating is Anti-glare/Matte (3H). The listed pixel count sits in the high-resolution class used by the work and overall scores.

Color and HDR

Recorded gamut coverage is 99% DCI-P3. Color depth is listed as 10-bit FRC. HDR is listed as DisplayHDR 600. The work score places it in the productivity class expected for long document, spreadsheet, and coding sessions.

Motion and sync

Refresh is listed at 120 Hz. Response time is listed as 5.00 ms. Input lag is listed as 4.70 ms. The play score covers mainstream gaming and media; competitive high-refresh use still depends on the GPU keeping up. Pair this resolution with the GPU table before assuming native high settings.

Ergonomics and connectivity

Stand and mount options are listed as Height · Swivel · Tilt · VESA (100x100mm). Recorded inputs include 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. Speakers are listed as 2 x 9 W (watts).

Buying verdict

Overall quality is 92.8, a flagship result. Buy it when the panel class, color, and motion extras will actually be used.

At the recorded Amazon price, quality / price is 11.8. This is a feature-first purchase; compare nearby screens if several extras would go unused.

Work / price is 12.5 and play / price is 7.3.

Display data

Full specifications

Panel, color, motion, connectivity, ergonomics, power, and value in one sheet.

General

Manufacturer
Dell
Monitor
U4025QW
Series
UltraSharp
Panel maker
LG Display
Panel model
LM400RW2-SSA1
Launch price
—
Amazon price
$1579
Amazon availability
Available
Price updated
Aug 30, 2026
Launch date
Jan 1, 2024

Panel

Size
39.7"
Panel type
IPS
Resolution
5120×2160
Aspect ratio
2.37:1
Pixel density
140 PPI
Brightness
450 nits · peak 600 nits
Contrast
2000:1
Display area
91.83 in²
Viewing angles
178 ° (degrees) / 178 ° (degrees)
Backlight
W-LED
Coating
Anti-glare/Matte (3H)
Curvature
2500R

Color & HDR

Color depth
10-bit FRC
Colors
1073741824
DCI-P3
99.00%
sRGB
100.00%
Adobe RGB
—
NTSC
—
HDR
DisplayHDR 600
Local dimming
No

Motion

Refresh rate
120 Hz
Response time
5.00 ms
Input lag
4.70 ms
Adaptive sync
—

Connectivity

Inputs
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
Speakers
2 x 9 W (watts)

Ergonomics

Height adjustment
Yes
Pivot
No
Swivel
Yes
Tilt
Yes
VESA mount
Yes · 100x100mm

Power & value

Typical power
—
Max power
—
Overall
92.8
Work
98.3
Play
81.9
Quality / price
11.8
Work / price
12.5
Play / price
7.3

Additional information

Features
Adaptive-Sync technology, Ambient Light Sensor, Auto KVM, ComfortView Plus, Dell Display Manager, Flicker-free technology, IPS Black, Network KVM, Low Blue Light, OSD joystick, Picture-by-Picture, Picture-in-Picture
Accessories
DisplayPort cable, HDMI cable, Thunderbolt 4 (USB-C) Active Cable, USB Type-A to Type-B cable
Amazon warranty
Dell 3 Year Limited Warranty
Amazon dimensions
{'width': 37.27, 'height': 24.5, 'length': 9.95, 'weight': 26.94}

Extracted notes sit here. Amazon listing copy, when present, is at the bottom of the page.

Amazon

Price history

Nearby quality

Similar monitors

IPS monitors close to U4025QW on overall quality. Open the monitor table to sort, filter, and compare side by side.

LG 40U990A 39.7" · IPS · 5120×2160 · 120 Hz
90.3
81.9
10.3
$1750
Dell U2725QE 27" · IPS · 3840×2160 · 120 Hz
91.0
82.6
29.0
$627
BenQ PD3226G 31.5" · IPS · 3840×2160 · 144 Hz
91.6
81.6
20.4
$900
Dell U3225QE 31.5" · IPS · 3840×2160 · 120 Hz
92.8
81.9
22.7
$818
Compare these in the monitor table

Discussion

Comments on U4025QW

No comments yet.

Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

DELL USA AUTHORIZED - Includes 2 YR Extended Protection in ADDITION to the Included FULL Manufacturer Protection

IMMERSIVE 5K2K CURVED DISPLAY – 40-inch ultrawide curved screen with 5K2K (5120 × 2160) resolution and 120Hz refresh rate delivers seamless motion, vibrant visuals, and maximum clarity.

CERTIFIED EYE COMFORT TECHNOLOGY – World’s first 40" 5K2K monitor with 5-Star Eye Comfort certification; ComfortView Plus reduces harmful blue light emissions to ≤35% for all-day productivity.

VIVID COLORS AND DEEPER CONTRAST – 99% DCI-P3 and Display P3 coverage with IPS Black technology ensures accurate colors, deeper blacks, and a 2000:1 contrast ratio.

POWERFUL THUNDERBOLT 4 CONNECTIVITY – Single-cable solution with up to 140W extended power delivery for laptops, plus Ethernet RJ45 (2.5GbE), USB-C, and quick-access ports for seamless device connections.

ADVANCED MULTITASKING FEATURES – Internal Multi-Stream Transport (iMST) partitions the screen as if using dual monitors; Easy Arrange and Dell Peripheral Manager enhance workflow efficiency.

BUILT FOR MAC AND WINDOWS USERS – Optimized for macOS and Windows environments, making it ideal for creative professionals, multitaskers, and power users.

SUSTAINABLE AND ECO-CONSCIOUS DESIGN – Constructed with recycled steel, aluminum, plastics, and glass; ships in 100% renewable packaging; EPEAT Gold Climate+ certified for reduced carbon impact.

IN THE BOX: Monitor | Stand Riser | Stand Base | Quick Setup Guide | Safety, Environmental and Regulatory Information | Factory Calibration Report | Dell 3 Year Limited Protection

BUNDLE INCLUDES: CPS 2 Year Extended Protection

Privacy controls

Choose whether optional analytics may run. Necessary storage remains active because it supports security, login, requested preferences, and this choice.

Necessary Security, sessions, forms, and preferences you request.
Always active