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BMP vs SGI

BMP vs SGI

Una comparativa detallada de BMP Image y SGI Image — tamaño de archivo, calidad, compatibilidad y cuál elegir según tu flujo de trabajo.

Convertir BMP → SGI Convertir SGI → BMP
BMP

BMP Image

Raster & Vector Images

BMP is an uncompressed raster image format native to Windows. Files are large but preserve exact pixel data with no compression artifacts. Rarely used on the web due to file size.

Sobre los archivos BMP
SGI

SGI Image

Raster & Vector Images

SGI (Silicon Graphics Image) is a raster image format developed by Silicon Graphics for use on their IRIX workstations. It supports both uncompressed and RLE-compressed storage with up to 4 channels including alpha.

Sobre los archivos SGI

Comparativa de ventajas

BMP Ventajas

  • Dead-simple format — trivially easy to read and write.
  • Lossless and uncompressed — perfect bit-exact pixel storage.
  • Universally supported in Windows applications since 1985.
  • Supports 1, 4, 8, 16, 24, and 32-bit color depths.

SGI Ventajas

  • Historic VFX pipeline format.
  • 16-bit channel support.
  • RLE compression.
  • ImageMagick compatibility.

Limitaciones

BMP Limitaciones

  • Enormous file sizes — no meaningful compression in typical use.
  • Not a web format — browsers support it but nobody serves BMPs over HTTP.
  • No metadata support (no EXIF, no ICC profile in practice).
  • Multiple header versions mean "a BMP" is ambiguous — parsers must handle several variants.

SGI Limitaciones

  • Legacy — SGI Inc. is gone.
  • Superseded by OpenEXR/DPX in film.
  • Niche tooling.

Especificaciones técnicas

Especificación BMP SGI
MIME type image/bmp image/x-sgi
Extensions .bmp, .dib .sgi, .rgb, .rgba
Compression None (typical); RLE 4/8 bit (rare) None or RLE
Color depths 1, 4, 8, 16, 24, 32 bits per pixel —
Byte order Little-endian —
Bit depth — 8 or 16 bits per channel

Tamaños típicos de archivo

BMP

  • Small icon (32×32) 4 KB
  • Screenshot (1920×1080) ~6 MB
  • 4K image (3840×2160) ~25 MB
  • Scanned A4 at 300 dpi ~25 MB

SGI

  • 1080p 8-bit SGI frame 4-8 MB
  • 4K 16-bit SGI 50-100 MB

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Preguntas frecuentes

BMP (Bitmap) is a raster image format developed by Microsoft for Windows. It stores images with no compression by default, resulting in large file sizes but pixel-perfect quality. It has been part of Windows since version 1.0.

BMP (Bitmap) is a raster image formato developed by Microsoft para Windows. It stores images com no compressão by default, resulting in large tamanho do arquivos mas pixel-perfect quality. It has been part of Windows since version 1.0.

BMP files open in Windows Paint, Photos, macOS Preview, GIMP, Photoshop, and virtually any image viewer. All Windows applications support BMP natively.

BMP arquivos abrir in Windows Paint, Photos, macOS Preview, GIMP, Photoshop, e virtually any image viewer. All Windows aplicativos support BMP natively.

PNG is better than BMP in almost every scenario since it provides lossless compression (smaller files), transparency support, and wider cross-platform use. BMP is mainly relevant for legacy Windows applications.

PNG is melhor que BMP in almost every scenario since it fornece sem perdas compressão (smaller files), transparência support, e wider cross-platform use. BMP is mainly relevant para legacy Windows aplicativos.