Übersicht
Dieser Leitfaden vergleicht H.264 (AVC) und H.265 (HEVC) anhand der wichtigsten Kriterien, um Ihnen zu helfen, das richtige Format für Ihre Bedürfnisse auszuwählen.
H.265 bietet 50% bessere Kompression als H.264, erfordert jedoch mehr Rechenleistung und hat weniger universelle Unterstützung.
Direkter Vergleich
Kompression
H.264 (AVC): H.264 ist weniger effizient, benötigt jedoch weniger CPU für Kodierung/Dekodierung.
H.265 (HEVC): H.265 erreicht 50% kleinere Dateien bei vergleichbarer Qualität.
Winner: H.265
Kompatibilität
H.264 (AVC): H.264 wird von jedem Gerät, Browser und jeder Plattform unterstützt.
H.265 (HEVC): H.265 erfordert moderne Hardware - ältere Geräte unterstützen es möglicherweise nicht.
Winner: H.264
CPU-Nutzung
H.264 (AVC): H.264 dekodiert problemlos auf allen Hardware, einschließlich älterer CPUs.
H.265 (HEVC): H.265 erfordert moderne Hardware für eine flüssige Dekodierung.
Winner: H.264
4K Video
H.264 (AVC): H.264 kann 4K, aber die Dateien sind sehr groß.
H.265 (HEVC): H.265 ist der Standard-Codec für 4K- und HDR-Videos.
Winner: H.265
Streaming
H.264 (AVC): H.264 ist der universelle Streaming-Standard (YouTube, Netflix verwenden beide).
H.265 (HEVC): H.265 wird zunehmend für hochwertiges Streaming verwendet.
Winner: Unentschieden
Technical Foundations
H.265 (HEVC, High Efficiency Video Coding) is the successor to H.264 (AVC, Advanced Video Coding), both developed jointly by ITU-T and ISO/IEC.[1][2] The largest structural change is the coding block: where H.264 partitions frames into fixed 16x16 macroblocks, HEVC uses flexible coding tree units up to 64x64 that can be recursively subdivided, letting the encoder allocate bits efficiently across both large flat regions and fine detail.[1] HEVC also adds more intra-prediction directions and improved motion compensation and entropy coding.
Compression Efficiency
These tools let HEVC achieve approximately the same subjective quality as H.264 at substantially lower bitrates, with figures commonly cited around a 50 percent bitrate reduction, at the cost of significantly higher computational complexity for both encoding and decoding.[2] HEVC was designed with high resolutions in mind and scales efficiently to 4K and 8K, where H.264's older toolset becomes less economical.[1]
Both Are Codecs, Not Containers
H.264 and H.265 define how video is compressed, not how it is stored as a file. Streams encoded with either codec are placed inside a container such as MP4, MKV, or MOV, which adds audio, subtitles, and timing.[2] The same codec can appear in different containers, and a container can hold either codec, which is why a file's extension does not indicate which codec it uses.
Licensing and Hardware
A practical difference is patent licensing. H.264 has a mature, widely-accepted licensing framework and near-universal hardware decode support.[2] HEVC's licensing is administered across multiple patent pools, which has slowed its adoption on the open web and contributed to the development of royalty-free alternatives such as AV1.[1] Hardware HEVC decoding is common on modern devices but less universal than H.264.
Compatibility and Applications
H.264 remains the most universally supported video codec, decodable by virtually every device and browser, making it the safest choice for broad distribution.[2] H.265 is used where bandwidth or storage savings at high resolution justify its heavier processing and licensing, such as 4K streaming, modern broadcast, and recent mobile-device video capture.[1]
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