Comparison guide
Gigabyte M28U vs Dell UltraSharp U4025QW: which should you choose?
Gigabyte M28U and Dell UltraSharp U4025QW compared under one framework. One recorded specification difference is DCI-P3 coverage: 99 % on the Dell UltraSharp U4025QW against 94 % on the Gigabyte M28U. Specifications and their sources are recorded alongside.
Published: 2026-07-28 · Updated: 2026-09-21
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.
- Gigabyte M28U: A 28-inch 4K 144Hz with built-in KVM — value for a multi-setup that moves between console and PC on one screen.
- Dell UltraSharp U4025QW: A 40-inch 5K2K curved ultrawide — 120Hz IPS Black and a Thunderbolt 4 hub make it a work powerhouse.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between Gigabyte M28U and Dell UltraSharp U4025QW 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 | Gigabyte M28U | Dell UltraSharp U4025QW | Delta |
|---|---|---|---|
| Screen size | 28 in AskRS catalog index · check date not recorded | 39.7 in AskRS catalog index · check date not recorded | +41.8% |
| Refresh rate | 144 Hz AskRS catalog index · check date not recorded | 120 Hz AskRS catalog index · check date not recorded | -16.7% |
| Peak brightness | 300 nits AskRS catalog index · check date not recorded | 450 nits AskRS catalog index · check date not recorded | +50% |
| Response time | 1 ms AskRS catalog index · check date not recorded | 5 ms AskRS catalog index · check date not recorded | +240% |
| DCI-P3 coverage | 94 % AskRS catalog index · check date not recorded | 99 % AskRS catalog index · check date not recorded | +5.3% |
| Chipset | IPS panel | IPS Black panel | Different |
| Color | Black | Platinum Silver | Different |
| Connectivity | 2x HDMI 2.1, DP 1.4, USB-C 18W, KVM, USB hub | 2x HDMI 2.1, DP 1.4, 2x Thunderbolt 4 140W daisy-chain, RJ45, USB hub | Different |
| Hdr | VESA DisplayHDR 400 | VESA DisplayHDR 600 | Different |
| Panel type | IPS | IPS Black 2500R curved | Different |
| Region | GLOBAL | GLOBAL | Same |
| Resolution | 3840x2160 (4K UHD) | 5120x2160 (5K2K) | 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
4 fields can be ranked on the same basis, listed by weight.
- DCI-P3 coverage · Dell UltraSharp U4025QW 99 %, Gigabyte M28U 94 % (+5.3%)
- Peak brightness · Dell UltraSharp U4025QW 450 nits, Gigabyte M28U 300 nits (+50%)
- Refresh rate · Gigabyte M28U 144 Hz, Dell UltraSharp U4025QW 120 Hz (-16.7%)
- Response time · Gigabyte M28U 1 ms, Dell UltraSharp U4025QW 5 ms (+240%)
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.
- Gigabyte M28U · Gigabyte · model number M28U · released 2021 · recorded fields 12/12
- Dell UltraSharp U4025QW · Dell · model number U4025QW · released 2024 · recorded fields 12/12
Fields the two products share
1 recorded field holds the same value for both stored representative configurations, so nothing in this list separates them.
- Region · GLOBAL
Who should choose Gigabyte M28U
Gigabyte M28U leads the table on Refresh rate, Response time. A 28-inch 4K 144Hz with built-in KVM — value for a multi-setup that moves between console and PC on one screen.
Who should choose Dell UltraSharp U4025QW
Dell UltraSharp U4025QW leads the table on DCI-P3 coverage, Peak brightness. A 40-inch 5K2K curved ultrawide — 120Hz IPS Black and a Thunderbolt 4 hub make it a work powerhouse.
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.
- Gigabyte M28U · No verified purchase link currently available
- Dell UltraSharp U4025QW · 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.