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Wide Quad Ultra XGA (WQUXGA) is a display resolution of 3840 × 2400 pixels. That gives it 9,216,000 pixels and a 16:10 aspect ratio. It is taller than 3840 × 2160 UHD/4K, despite sharing the same 3840-pixel width.
What does WQUXGA stand for?
WQUXGA expands to Wide Quad Ultra XGA. Some references use the longer form “Wide Quad Ultra Extended Graphics Array.” Kotobank’s Digital Daijisen entry uses the exact expansion “Wide Quad Ultra XGA,” while other technical references use the alternate wording.
Resolution labels are not always used consistently across references. “QUXGA Wide,” “QUXGA-W,” and “UHD+” also appear in connection with 3840 × 2400, but these should be treated as alternate labels rather than universally settled names. Fourmilab author John Walker noted in a 2006 technical reference, “Nomenclature for wide screen display modes is far from settled.”
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WQUXGA is 3840 pixels across and 2400 pixels high. Multiplying those dimensions gives 9,216,000 pixels, or about 9.2 million. Its aspect ratio is 16:10, which is equivalent to 8:5.
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How is WQUXGA different from 4K UHD?
WQUXGA and 3840 × 2160 UHD/4K share the same horizontal pixel count, but WQUXGA has more vertical pixels and a taller aspect ratio. The arithmetic total for UHD is 8,294,400 pixels.
| Resolution label | Pixel dimensions | Aspect ratio | Total pixels |
|---|---|---|---|
| WQUXGA | 3840 × 2400 | 16:10 (8:5) | 9,216,000 |
| UHD/4K | 3840 × 2160 | 16:9 | 8,294,400 (calculated from the dimensions) |
WQUXGA therefore has 240 more vertical pixels than 3840 × 2160 UHD. The e-Words IT dictionary describes 3840 × 2160 UHD as the more common format in fixed displays; that distinction is about the format, not a claim about every display category or current product lineup.
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Where does the name appear?
Terminology varies by source. An e-Words IT dictionary entry dated July 1, 2003, gives 3840 × 2400 and 16:10 for WQUXGA and notes alternate naming. A Japanese court decision dated March 28, 2025, uses “QUXGA Wide” for 3840 × 2400 in a passage about logical screen resolution. These examples support the dimensions while illustrating that labels can differ.
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A resolution definition alone does not establish which displays are currently available for purchase. The key point when reading a specification is to check the pixel dimensions: 3840 × 2400 identifies the resolution meant here, regardless of whether a source uses WQUXGA or another label.
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