AVIF vs HDR
Um comparativo detalhado de AVIF Image e Radiance HDR Image — tamanho de arquivo, qualidade, compatibilidade e qual escolher de acordo com seu fluxo de trabalho.
AVIF Image
Raster & Vector ImagesAVIF is a next-generation image format based on the AV1 video codec. It offers significantly better compression than JPEG and WebP while maintaining excellent visual quality, including HDR and wide color gamut support.
Sobre os arquivos AVIFRadiance HDR Image
Raster & Vector ImagesHDR (Radiance) stores high dynamic range images for realistic lighting in 3D rendering.
Sobre os arquivos HDRComparativo de vantagens
AVIF Vantagens
- Best-in-class compression efficiency — 30-50% smaller than JPEG for the same quality.
- Royalty-free and patent-unencumbered (unlike HEIC).
- Supports alpha transparency, HDR, wide gamut (BT.2020), and up to 12-bit color.
- Progressive decoding: a blurry preview appears while the file is still downloading.
- Supported in all major browsers since late 2022 — no polyfills needed.
HDR Vantagens
- True floating-point dynamic range in 32 bits per pixel.
- Simple format — easy to parse and generate.
- Standard for environment maps and lighting probes in 3D.
- 30+ years of continuous use in architectural rendering.
Limitações
AVIF Limitações
- Encoding is CPU-expensive — an AVIF export can take 10-30× longer than JPEG.
- Older software (pre-2022) cannot open AVIF without plugins.
- Email clients still largely ignore it — stick to JPEG for attachments.
- Metadata support (EXIF, XMP) exists but tooling is less mature than for JPEG.
HDR Limitações
- No compression — files are larger than OpenEXR or AVIF for equivalent quality.
- Only one channel set (RGB) — no alpha, no multi-layer like EXR.
- Not a web format.
- Aging — OpenEXR is the modern professional choice.
Especificações técnicas
| Especificação | AVIF | HDR |
|---|---|---|
| MIME type | image/avif | image/vnd.radiance |
| Container | HEIF (ISOBMFF) | — |
| Codec | AV1 (intra-only) | — |
| Max dimensions | 65 536 × 65 536 px | — |
| Color depth | Up to 12-bit per channel | — |
| Color spaces | sRGB, Display-P3, BT.2020, arbitrary ICC | — |
| Extensions | — | .hdr, .pic |
| Encoding | — | RGBE (shared 8-bit exponent) |
| Dynamic range | — | ~76 orders of magnitude |
| Creator | — | Greg Ward, Radiance renderer (1991) |
Tamanhos típicos de arquivo
AVIF
- Thumbnail (400px) 10-30 KB
- Web photo (1920px) 80-300 KB
- 4K photo (3840px) 300 KB - 1.2 MB
- Lossless copy of 24MP photo 8-15 MB
HDR
- 2K environment map 15-35 MB
- 4K environment map 60-130 MB
- 8K HDRI 250-500 MB
Pronto para converter?
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Perguntas frequentes
AVIF (AV1 Image File Format) is a cutting-edge image format derived from the AV1 video codec, backed by the Alliance for Open Media. It delivers up to 50% smaller files than JPEG with equal or better visual quality, plus HDR and transparency support.
AVIF (AV1 Image formatoo de arquivo) is a cutting-edge image formato derived de the AV1 video codec, backed pelo Alliance para abrir Media. It delivers up to 50% smaller arquivos than JPEG com equal ou better visual quality, plus HDR e transparência support.
AVIF files open in Chrome, Firefox, Safari (from macOS Ventura), Edge, and GIMP 2.10+. Support is growing rapidly, but some older image editors may not yet handle AVIF natively.
AVIF arquivos abrir in Chrome, Firefox, Safari (from macOS Ventura), Edge, e GIMP 2.10+. Support is growing rapidly, mas some older image editors may not yet handle AVIF natively.
AVIF provides better compression and quality than WebP, especially for photographs. However, WebP has broader software support today. Use AVIF for maximum performance on modern browsers and WebP as a reliable fallback.
AVIF fornece better compressão e quality than WebP, especially para photographs. Porém, WebP has broader software support today. usar AVIF para máximo performance on moderno browsers e WebP como um reliable fallback.