Diferencia entre XGA y SVGA

: 10 de febrero de 2022

Como la claridad de una imagen depende del número de píxeles, Esta diferencia seminal entre los dos hace que las imágenes XGA sean mucho más nítidas y orientadas a los detalles que las imágenes SVGA.

XGA vs SVGA

La principal diferencia entre XGA y SVGA es que, si bien XGA ofrece una resolución más alta y representa una imagen más nítida en la pantalla, SVGA cuenta con una resistencia de resolución de píxeles más baja y produce una imagen más débil en una pantalla.

Sin embargo, tanto XGA como SVGA tienen la misma relación de aspecto de 4: 3, XGA tiene una resolución efectiva de píxeles de 1024 horizontales por 768 píxeles verticales en comparación con la resistencia de resolución de SVGA de 800 horizontales por 600 píxeles verticales.

Tabla de comparación entre XGA y SVGA

Parámetros de comparación XGA Resistencia a la resolución de píxeles de 800 horizontales por 600 píxeles verticales. Año de lanzamiento XGA se lanzó en 1999.SVGA se lanzó en 1989. Claridad de imagen La imagen creada es nítida y orientada a los detalles. La imagen creada no es muy nítida debido al bajo recuento de píxeles. Costo Los proyectores y pantallas con configuración XGA cuestan más que los que tienen configuración SVGA. Los proyectores y pantallas con configuración SVGA son más rentables. Páginas web de Internet XGA puede mostrar todo el ancho de las páginas web. SVGA no puede mostrar el ancho completo de las páginas web. Reconocimiento oficial XGA es reconocido como el reemplazo oficial del formato VGA. SVGA no es reconocido como el reemplazo oficial del formato VGA, aunque precedió al lanzamiento de XGA.

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¿Qué es XGA?

XGA es la abreviatura comúnmente utilizada para denotar matriz gráfica extendida. El formato XGA fue diseñado originalmente por IBM en 1990 para reemplazar las modalidades de visualización VGA ( Video Graphics Array ) de 1987. Es un estándar de visualización con una resolución de píxeles de 1024 píxeles horizontales por 768 píxeles verticales.

XGA mantiene la misma relación de aspecto de píxeles de 4: 3 que SVGA, pero admite 786,000 píxeles por imagen, lo que representa una imagen cristalina, que estuvo ausente anteriormente.

Este formato es famoso y reconocido por sus imágenes de alta definición y claridad de detalles. XGA encarnó mejoras significativas sobre las características de su predecesor. También es compatible con monitores no entrelazados, una característica que hasta ahora faltaba en dichos formatos.

¿Qué es SVGA?

SVGA es la abreviatura utilizada para connotar Super Video Graphics Array. SVGA fue el sucesor no autorizado del modelo VGA más antiguo con una resolución más alta e imágenes más claras. SVGA fue desarrollado por la Asociación de Estándares de Video Electrónica ( VESA ) – un conglomerado de fabricantes de monitores y gráficos en 1989.

Cuenta con varias mejoras sobre el formato VGA, como una resolución mejorada de píxeles de 800 horizontales por 600 píxeles verticales.

Aunque el SVGA puede admitir hasta 16 millones de colores, la práctica visualización simultánea de colores está limitada por la memoria de video del sistema operativo. La mayoría de los sistemas pueden mostrar 256 colores simultáneos.

Diferencias principales entre XGA y SVGA

  1. La principal diferencia entre XGA y SVGA es en términos de la resolución de píxeles compatible con cada uno. Si bien ambos comparten la misma relación de aspecto, la claridad de cualquier imagen proyectada se deriva de la resolución efectiva de píxeles de su proyección. XGA supera a SVGA en esta categoría, ya que admite una resistencia de resolución mejorada de 1024 por 768 píxeles, mientras que el SVGA admite una resistencia de píxeles mucho menor de 800 por 600. Por lo tanto, la resolución ofrecida por el primero es efectivamente más alta que la segunda.
  2. La diferencia en la fuerza de resolución de píxeles de cada uno tiene repercusiones con respecto a la claridad de una imagen proyectada. XGA produce imágenes más claras y nítidas con una orientación de detalle agudo. Sin embargo, debido a su menor resolución de píxeles, SVGA produce imágenes más suaves con falta de atención a los detalles de una imagen.
  3. Otra diferencia es en términos de costo. Si bien las máquinas habilitadas para XGA suelen ser más costosas, el costo de una máquina SVGA es comparativamente en el extremo inferior del espectro de precios del proyector. Si las restricciones presupuestarias son un problema a tener en cuenta, uno puede elegir los proyectores y pantallas SVGA más rentables en lugar de los costosos XGA.
  4. Otra diferencia entre los dos es que, si bien XGA se usa para mostrar el ancho actual de todas las páginas web, SVGA no se puede usar para mostrar el ancho completo de una página web. Las pantallas XGA están configuradas para mostrar fácilmente dichos anchos, una característica ausente de su predecesor SVGA.
  5. SVGA a menudo se considera el sucesor no autorizado de la VGA. Esto se debe a que se lanzó como una mejora en el formato de resolución VGA anterior en 1989. XGA se lanzó en 1999 y se comercializó como el sucesor oficial de VGA.
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Síntesis

XGA y SVGA son modelos de configuración de proyector y resolución de pantalla famosos que comparten la misma relación de 4: 3 píxeles. Sin embargo, estas dos variantes son bastante diferentes entre sí. La diferencia más fundamental entre XGA y SVGA es la fuerza de resolución de píxeles que cada uno cuenta. XGA tiene un 60% más de píxeles que SVGA.

El primero tiene una fuerza de resolución de píxeles de potencia de 1024 por 768 píxeles, mientras que el segundo tiene una fuerza de píxeles de nivel introductorio de 800 por 600 píxeles. Esto implica que las imágenes proyectadas por XGA son más nítidas, con detalles visibles que las proyectadas utilizando un proyector SVGA.

El SVGA fue una mejora con respecto al formato VGA. Sin embargo, nunca se anunció ni sancionó públicamente como el sucesor oficial del formato VGA. Este título también lo posee el modelo de configuración XGA cualitativamente superior.

La fuerza efectiva de resolución de píxeles de cada uno también determina el precio de tales pantallas y proyectores. Los píxeles adicionales que producen imágenes de calidad superior hacen que el XGA sea mucho más caro que el SVGA. También es más adecuado para el uso actual que el formato SVGA, ya que este último no está en sintonía con la carga del ancho actual de las páginas web en su totalidad.

Estas diferencias pueden ser útiles al seleccionar un proyector o monitor de pantalla apropiado. Sin embargo, a lo largo de los años, ha habido nuevas mejoras en el formato XGA. Las versiones HD ahora disponibles en el mercado producen imágenes mucho más sofisticadas. Por lo tanto, también se puede extender el radio de búsqueda para incluir la lista de modelos mejorados disponibles en la actualidad.

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  1. https://www.questia.com/library/journal/1G1-111735753/battle-of-the-resolutions-svga-vs-xga-projectors
  2. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3689/0000/SVGA-and-XGA-LCOS-microdisplays-for-HMD-applications/10.1117/12.352834.short

Contenido

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