Resolution Name Lookup
The Resolution Name Lookup tool takes what you type into the Search by name or dimensions box — a marketing name like "4K" or raw numbers like "1920x1080" — and returns the standard name, aspect ratio, and total pixel count for that resolution. Enter numbers that don't match a standard exactly and you'll still get the closest known resolution back, so you're never left wondering what to call an odd 1366×768 or 3440×1440 panel. The responsive website tester online runs entirely in your browser — nothing you enter is ever sent to a server.
Full Resolution Name List
| Name | Resolution | Aspect Ratio | Total Pixels | Typical Use |
|---|---|---|---|---|
| VGA | 640×480 | 4:3 | 307,200 | Legacy, webcams |
| SVGA | 800×600 | 4:3 | 480,000 | Legacy monitors |
| XGA | 1024×768 | 4:3 | 786,432 | Projectors, old laptops |
| HD / 720p | 1280×720 | 16:9 | 921,600 | HD TV, streaming |
| WXGA | 1280×800 | 8:5 | 1,024,000 | Older laptops, tablets |
| SXGA | 1280×1024 | 5:4 | 1,310,720 | Office monitors (5:4) |
| HD+ | 1600×900 | 16:9 | 1,440,000 | Budget laptops, monitors |
| Full HD / 1080p | 1920×1080 | 16:9 | 2,073,600 | Standard monitors, TV |
| WUXGA | 1920×1200 | 8:5 | 2,304,000 | 24-inch monitors, laptops |
| QHD / 1440p / 2K | 2560×1440 | 16:9 | 3,686,400 | Gaming monitors |
| UW-FHD | 2560×1080 | 64:27 | 2,764,800 | Entry ultrawide |
| WQXGA | 2560×1600 | 8:5 | 4,096,000 | MacBook Pro, iPads |
| UW-QHD | 3440×1440 | 43:18 | 4,953,600 | Gaming ultrawide |
| 4K UHD | 3840×2160 | 16:9 | 8,294,400 | 4K TVs, monitors |
| DFHD | 3840×1080 | 32:9 | 4,147,200 | Super ultrawide 1080p |
| 5K | 5120×2880 | 16:9 | 14,745,600 | iMac 5K, pro displays |
| DQHD | 5120×1440 | 32:9 | 7,372,800 | Super ultrawide 1440p |
| UW-4K | 5120×2160 | 64:27 | 11,059,200 | Pro ultrawide |
| 8K UHD | 7680×4320 | 16:9 | 33,177,600 | 8K TVs, pro video |
How Resolution Names Map to Pixel Dimensions
Every "standard" resolution name — 720p, 1080p, 1440p, 4K, 8K — is really just a marketing-friendly shorthand for a specific pixel width and height, almost always at a 16:9 aspect ratio. 1080p means 1920×1080 pixels; 4K (in the consumer/TV sense) means 3840×2160, which is exactly four times the pixel count of 1080p. The "p" stands for progressive scan, distinguishing it from the interlaced ("i") video standards used in older broadcast formats. Use the mobile viewport sizes list to see concrete figures before you rely on a single spec sheet.
Older display standards named after their own conventions — VGA, XGA, WUXGA, and similar — predate the 720p/1080p/4K naming scheme entirely and come from the VESA display standards used throughout the 1990s–2010s. Many monitor and laptop spec sheets still list these older names alongside or instead of the newer resolution-class shorthand.
Why Marketing Names Don't Always Match Exactly
"4K" is the most commonly misused name in the whole naming system. Consumer 4K UHD televisions and monitors use 3840×2160 (a 16:9 ratio), while true cinema-standard DCI 4K — the format used in actual movie theater projection — is 4096×2160, a slightly wider 1.9:1 ratio. The two get used interchangeably in casual conversation, but they're not the same pixel count, and the difference matters if you're doing professional video work. Browse the full reference with the free explore a color depth, searchable directly in your browser.
Similarly, "2K" is sometimes used loosely to mean 1440p (2560×1440, QHD) in gaming contexts, but in cinema terminology 2K properly refers to 2048×1080 — again, a different, narrower definition than the one most people mean casually.
Common Resolution Name Confusions
| Name | What People Often Assume | What It Actually Means |
|---|---|---|
| 4K | Exactly 4,000 pixels wide | 3840 (consumer) or 4096 (cinema) pixels wide — neither is exactly 4,000 |
| 2K | 1440p / QHD | Properly 2048×1080 in cinema terms; "2K" as a gaming term for 1440p is a looser, informal usage |
| HD | Any high-resolution display | Specifically 1280×720 (720p) — "Full HD" is the separate, higher 1080p standard |
Using This Lookup for Non-Standard Resolutions
Not every resolution you enter will match a named standard exactly — ultrawide monitors, unusual laptop panels, and custom scaling modes often fall between the well-known names. When your entered dimensions don't hit an exact standard, this tool reports the closest matching standard resolution by aspect ratio, along with a confidence note, so you still get useful context (aspect ratio, rough pixel count comparison) even for a genuinely custom resolution.
Frequently Asked Questions
- Is 4K exactly four times 1080p?
- Yes, for consumer 4K UHD specifically — 3840×2160 has exactly four times the total pixel count of 1920×1080 (1080p). Cinema DCI 4K (4096×2160) has a slightly different, wider aspect ratio and isn't a perfectly clean 4x multiple.
- Why do some spec sheets say WUXGA instead of a name like 1080p?
- WUXGA and similar names come from the older VESA display standards used before the 720p/1080p/4K naming convention became dominant. Many monitor and laptop manufacturers still use these legacy names, especially for non-16:9 resolutions like 1920×1200 (WUXGA), which don't map cleanly onto the newer naming scheme.
- What's the difference between QHD and 2K?
- QHD (Quad HD) is precisely defined as 2560×1440 — four times the pixel count of 720p HD. "2K" is used informally to mean the same thing in gaming/monitor contexts, but its more precise cinema definition (2048×1080) is a different, lower resolution.
- My monitor's resolution doesn't match any standard name — is that normal?
- Yes, especially for ultrawide monitors, some laptop panels, and custom scaling setups. Plenty of legitimate displays use resolutions that don't correspond to a marketed "standard" name at all — the lookup will show you the closest match and aspect ratio even when there's no exact name for your specific dimensions.
- Does this tool store or send my searches anywhere?
- No — every lookup runs entirely in your browser against a local reference table. Nothing you type is transmitted to a server.