Comparison guide
Dell UltraSharp U4025QW vs ASUS ROG Strix XG27AQDMG: which should you choose?
Dell UltraSharp U4025QW and ASUS ROG Strix XG27AQDMG compared under one framework. One recorded specification difference is Peak brightness: 1000 nits on the ASUS ROG Strix XG27AQDMG against 450 nits on the Dell UltraSharp U4025QW. Specifications and their sources are recorded alongside.
Published: 2026-07-24 · Updated: 2026-10-03
Monitors verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- Dell UltraSharp U4025QW: A 40-inch 5K2K curved ultrawide — 120Hz IPS Black and a Thunderbolt 4 hub make it a work powerhouse.
- ASUS ROG Strix XG27AQDMG: A 27-inch QHD WOLED gaming monitor with a 240Hz refresh rate.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between Dell UltraSharp U4025QW and ASUS ROG Strix XG27AQDMG starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | Dell UltraSharp U4025QW | ASUS ROG Strix XG27AQDMG | Delta |
|---|---|---|---|
| Screen size | 39.7 in AskRS catalog index · check date not recorded | 26.5 in AskRS catalog index · check date not recorded | -33.2% |
| Refresh rate | 120 Hz AskRS catalog index · check date not recorded | 240 Hz AskRS catalog index · check date not recorded | +100% |
| Peak brightness | 450 nits AskRS catalog index · check date not recorded | 1000 nits AskRS catalog index · check date not recorded | +122.2% |
| Response time | 5 ms AskRS catalog index · check date not recorded | 0.03 ms AskRS catalog index · check date not recorded | -99.4% |
| DCI-P3 coverage | 99 % AskRS catalog index · check date not recorded | 99 % AskRS catalog index · check date not recorded | Same |
| Chipset | IPS Black panel | WOLED panel | Different |
| Color | Platinum Silver | Black | Different |
| Connectivity | 2x HDMI 2.1, DP 1.4, 2x Thunderbolt 4 140W daisy-chain, RJ45, USB hub | 2x HDMI 2.1, DP 1.4, USB-C DP Alt, USB hub | Different |
| Hdr | VESA DisplayHDR 600 | VESA DisplayHDR True Black 400 | Different |
| Panel type | IPS Black 2500R curved | WOLED | Different |
| Region | GLOBAL | GLOBAL | Same |
| Resolution | 5120x2160 (5K2K) | 2560x1440 (QHD) | Different |
10 of the 24 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
3 fields can be ranked on the same basis, listed by weight.
- Peak brightness · ASUS ROG Strix XG27AQDMG 1000 nits, Dell UltraSharp U4025QW 450 nits (+122.2%)
- Refresh rate · ASUS ROG Strix XG27AQDMG 240 Hz, Dell UltraSharp U4025QW 120 Hz (+100%)
- Response time · ASUS ROG Strix XG27AQDMG 0.03 ms, Dell UltraSharp U4025QW 5 ms (-99.4%)
The decision axes and the checking order for the whole category are on the Monitors comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- Dell UltraSharp U4025QW · Dell · model number U4025QW · released 2024 · recorded fields 12/12
- ASUS ROG Strix XG27AQDMG · ASUS · model number XG27AQDMG · released 2024 · recorded fields 12/12
Fields the two products share
2 recorded fields hold the same value for both stored representative configurations, so nothing in this list separates them.
- DCI-P3 coverage · 99 %
- Region · GLOBAL
Who should choose Dell UltraSharp U4025QW
Dell UltraSharp U4025QW leads no field in the table, so choose it on price and purchase terms. A 40-inch 5K2K curved ultrawide — 120Hz IPS Black and a Thunderbolt 4 hub make it a work powerhouse.
Who should choose ASUS ROG Strix XG27AQDMG
ASUS ROG Strix XG27AQDMG leads the table on Peak brightness, Refresh rate, Response time. A 27-inch QHD WOLED gaming monitor with a 240Hz refresh rate.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- Dell UltraSharp U4025QW · No verified purchase link currently available
- ASUS ROG Strix XG27AQDMG · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Monitors are documented on the Monitors comparison page.