BMP vs RAF
Una comparativa detallada de BMP Image y Fujifilm RAW — tamaño de archivo, calidad, compatibilidad y cuál elegir según tu flujo de trabajo.
BMP Image
Raster & Vector ImagesBMP 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 BMPFujifilm RAW
Raster & Vector ImagesRAF is the RAW image format used by Fujifilm cameras, containing unprocessed sensor data with Fujifilm color science.
Sobre los archivos RAFComparativa 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.
RAF Ventajas
- Full 14-bit (most bodies) or 16-bit (GFX) sensor data.
- Film simulation recipe stored in metadata.
- X-Trans sensor produces distinctive moiré-free rendering.
- Supports every classic Fuji film-simulation look.
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.
RAF Limitaciones
- X-Trans demosaicing is the hardest raw problem to solve cleanly.
- Third-party tools rarely match Fuji's own rendering.
- Proprietary with no official spec.
- GFX RAF files are massive (150+ MB per shot).
Especificaciones técnicas
| Especificación | BMP | RAF |
|---|---|---|
| MIME type | image/bmp | image/x-fuji-raf |
| Extensions | .bmp, .dib | — |
| Compression | None (typical); RLE 4/8 bit (rare) | — |
| Color depths | 1, 4, 8, 16, 24, 32 bits per pixel | — |
| Byte order | Little-endian | — |
| Extension | — | .raf |
| Container | — | Fujifilm proprietary TIFF-like |
| Sensor arrays | — | X-Trans (APS-C), Bayer (GFX medium-format) |
| Bit depth | — | 14-bit (X-series); 16-bit (GFX) |
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
RAF
- 26 MP RAF (X-T4, X-T5) 40-55 MB
- 40 MP RAF (X-H2, X-T5 40MP) 60-80 MB
- 102 MP RAF (GFX 100 II) 150-220 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.