Vedio Compression : H.265 vs H.264

What is H.264?
H264 (aka MPEG-4 AVC) is currently a mainstream video compression format. It is widely used in Blu-ray discs, internet sources like videos in YouTube and iTunes Store, web software, and also HDTV broadcasts over terrestrial, cable and satellite.

Related: H.264 vs MP4Convert H.264 to MP4Rip DVD to H.264H.264 to MPEGH.264 to MKV

What is H.265?
H.265 (also known as HEVC, short for High Efficiency Video Coding) is a video compression standard whose predecessor is H.264/MPEG-4 AVC. H.265 HEVC ensures to deliver video quality identical to H.264 AVC at only half the bit rate. >> HEVC/H.265 CodecH.265 Encoder4K Codec8K Video Format

Differences between H.265 and H.264

In general, H.265 has several big advantages over H.264, including better compression, delicate image and bandwidth saving. For more detailed differences, please read H.265 vs H.264 comparison table.