X264 vs x265. 265 vs. Существуют не только программные, но и аппаратные решения для кодирования и даже бытовые 84 votes, 188 comments. Incompatibility is weakness! x264 vs. Modern GPUs include dedicated encoding circuits: The company has one of its employers following the x264 project's IRC development channel and the guy who registered the patent is known to the X264 project. 265 (using x265), both at a bitrate of 2. true The key here is lossy codecs, visual and audio, are _perceptual_ encoders. Sep 3, 2025 · At its simplest, the trade-off is clear: x265 produces smaller files and delivers comparable or better quality at lower bitrates, while x264 provides significantly faster encoding speeds and unmatched compatibility across devices. In this document, we provide details about the assumptions made in order to effectively compare x264 with NVENC. X264 focuses on traditional, well-established border delineations with simpler boundary representations. [4][5] On the contrary, X264 is an encoder for H. That is, the goal is to shrink the file size by discarding information with out you perceiving the loss. 264/AVC video stream encoding, but without any decoder. Key Takeaways X265 is designed for more efficient boundary definitions, leading to sharper political demarcations. , x264). So for a newbie it can be quite hard to make x265 perform well without sacrificing far too much CPU power, as x265 is significantly more taxing on the processor than x264. Comparison of x264 with NVENC encoding has similar challenges. 9. 2) with x264 (ver 0. They are based on criteria and metrics that can be measured objectively and automatically evaluated by a computer program. ly/SMW_2019). H. It’s an example of the topics covered in this and other sessions. File size: This is where x265 flexes its muscles. Learn the differences between X264 and X265, two popular video codecs for encoding and compressing video files. 534) and show that x264 is about 50 times faster and provides bitrates within 5% of JM for the same PSNR. 2010-11-27. What's better 1080p x264 or 1080p x265 ? For those interested, I’ve also got another page on this site that lets you compare x264 vs x265 vs VP8 vs VP9 (at various RF and bitrate settings). 264 and H. x264 vs x265: Qual è la differenza tra x264 e x265? Ora H264/x264 è il principale formato video, che si applica ovunque, streaming mobile, youtube, molti siti online e così via. Now, the difference between the H. The x264 encoding was performed by x264 core 142 r 2479 dd79a61, and the x265 encode was performed by x265 1. See answers from experts and users on Stack Overflow. Here are some differences between x265 and x264: Release date: X265 was first released in 2013, while x264 was released in 2004. 265 for comparison at 11 different CRF values, evenly spaced from 8 to 48 inclusive (i. Aussi du Xvid, du Mpeg2, du Mpeg4, du H264/x264, et du H265/x265 et j’en oublie sans doute. Retrieved 2021-07-01. at. ^ "Tandberg illustrates stupidity of software patent policy". 4. This x264 codec is a freeware library for H. We recently got our hands on a pre-alpha build of x265, an HEVC encoder project from a company called MulticoreWare that's going to be This article explores the key differences between video codecs x264 and x265, highlighting their strengths and weaknesses in various encoding scenarios. The exact difference depends on encoder settings, content complexity, and hardware capabilities. 17 votes, 31 comments. I'm wondering if x265 is not that good, or maybe it's advantageous only in some specific situations? I want to encode some videos in H264 and H265, and I would like to ask for help in order to chose the adequate options in x264/x265. Changes in X265 borders are more flexible, accommodating new territorial claims more readily than X264. Jan 15, 2026 · This article explores the key differences between video codecs x264 and x265, highlighting their strengths and weaknesses in various encoding scenarios. Learn the difference between x264 and x265 video encoding, including quality, file size, speed, and when to use each codec for the best results. 264/MPEG-4 AVC. For this one, we're using the following command: x264 --preset placebo --sar 1920:1080 --fps 24 --frames 500 --psnr -o x264Kimonoq24. Encoded properly, you shouldn't notice a qualitative difference between the two, but you should be able Since I already have full speed/tune settings in the x264 vs x265 vs VP8 vs VP9 comparison page, I didn't feel too bad about removing them here. x265: 1080p ultra low bitrate comparison Anime & Manga, Media Encoding Add comments Jan 252017 The encoding software was Handbrake 0. 47. So, H. Encoded properly, you shouldn't notice a qualitative difference between the two, but you should be able Objective video evaluation techniques are mathematical models that seek to predict human judgments of picture quality, as often exemplified by the results of subjective quality assessment experiments. 265 are standards, x264 and x265 are the actual software. However, it boasts options for optimizing speed, allowing users to adjust settings based on their requirements. The standardization of the first version of H. Jul 30, 2022 · Learn the difference between H265, x265, x264, H264 video codecs and how to use GPU acceleration with ffmpeg. Understand the key differences between H. Comme par exemple la gestion des pistes de sous-titres de différents formats, le support des chapitres. x264 compares the tools used to encode them. Latency This metric is important because, after all, making pre-made videos available on-demand (think YouTube, Netflix, etc. Retrieved 2011-03-11. x265 and x264 are popular software encoders used to compress video using those standards. But what is the difference between the two and which one is better? GrandAdmiralThrawns technology (or whatever this is right now) weblog at XIN. A static image isn’t always great, so here’s the 35-second video I made showcasing the difference between these RF settings in “24”. In terms of file size, X265 tends to produce smaller files with equivalent or even superior quality to X264. Introduction: MPEG 4 Part 10 AVC (Introduced in 2004). With that in mind, let’s take a quick peek at how pre-alpha x265 stacks up against the well-optimized x264. 10. History x265 builds on source code from x264, an open-source video encoder for the previous MPEG video coding standard, H. This presentation is adopted from my upcoming Streaming Media West pre-conference session, Introduction to ABR Technologies (bit. 265 are the most common video codec standards used today. 264 vs. indie debate – both great, but one’s been around a bit longer. 264 codecs, even with open sources. ZDNet. Frame rate support restricted to 59. However, my x264 rips are still noticeably better even on 15" laptop WITH less file size. The efficiency of X265 makes it particularly suitable for 4K or higher resolution videos where storage space is a concern. 265 better quality than H. 264/5, it's just that x264/5 is the most efficient and most used by far. The boundary delineations of X265 often reflect recent geopolitical changes more accurately than X264. x265 Performance: x265 tends to be slower than other encoders like x264, mainly due to the complexity of H265. 265 encoding (e. If the value calculated is lower than the scenecut value, a ’scene-cut’ is detected. 264 realtime encoding, transmission, and de-coding using two open source projects FFmpeg and x264. " In this comprehensive video, we u H. We could have used the --tune psnr switch to generate higher values Key Takeaways X265 is designed for improved efficiency in representing geopolitical boundaries with more detailed mapping. Reason to use x264 over x265 besides device compatibility I've seen some places online that recommend 1080p encoded only with x264 and don't allow 1080p encoded with x265. A Large-Scale Comparison of x264, x265, and libvpx — a Sneak Peek by Jan De Cock, Aditya Mavlankar, Anush Moorthy, and Anne Aaron With 83+ million members watching billions of hours of TV shows and … There are multiple encoders for H. e. Objective methods are classified based on the availability of an Get to know the key differences between H. . , x265) typically takes 2-10 times longer than equivalent H. Learn the difference between x264 and x265, the names for the open source implementations of the H. Dive into the world of video coding technology with our exploration of "The Difference Between x265 and x264 Video Coding. Is H. They’re like the classic rock vs. See how x265 offers better quality but higher CPU usage, and how x264 is more widely supported and efficient. Nov 2, 2024 · In this article, we’ll delve into the world of video compression, exploring the differences between x264 and x265, and examining the evidence to determine whether x265 truly has better quality. 264/AVC, which is an earlier standard commonly used for HD videos. Last month, the HEVC/H. X264 tends to have broader recognition among mapping agencies, with widespread adoption in various regions. In fact, 6 out of 10 people prefer to watch a video on the internet than on television. 265 standard was officially published. In this paper, we will concentrate on the x264 codec, which is currently one of the most powerful H. For every frame, x264 calculates a metric to estimate how different it is from the previous frame. Afterwards, I tried using x265 8/10/12 bit with various settings but overall results (size/quality) were always better with x264. x265 has better compression at the same video quality but it's still too early to guarantee this for all scenes and situations. These extensions enabled higher quality video coding by supporting increased sample bit depth precision and higher-resolution color information, including the sampling structures Thing is, I didn’t understand all of the knobs x265 has to offer, and some of the convenient presets of x264 didn’t exist here (like --tune film and --tune animation). 265 is more efficient at storing data. Hey guys I'm looking for some big brains to help me out with my little question. I also tried downloading some films from various x265 10bit ripping groups, which are considered high quality releasers. The test clips were encoded with Handbrake in H. What about use cases involving real-time feeds, like In the never-ending debate of H. 264 (using x264) vs H. 265 is obviously that H. x264 Features : Key Improvements: Drawbacks: Unrealistic for UHD content delivery due to high bit rate requirements. 265, let's see how each of these of the two codecs are different from each other. x264 is a good example of a program with many integer SIMD functions that operate on a wide variety of data types and perform a variety of different operations. 94 fps; 21 profiles ; 17 levels. [7] MulticoreWare made the source code for x265 publicly available on July 23, 2013. While X265 offers finer resolution for complex border areas, X264 remains more compatible with legacy data systems. I did a few tests with slow preset to compare x265 performance to x264. yuv, again with quantization parameters between 24 and 42. 94. 265 video compression standards and find out which is better for your specific application needs! Videos are the most popular content type on the internet nowadays. 265 and H. Comparison by author, using Handbrake. 264? Yes. spaced by 4). x265 could not achieve the claimed goal of obtaining the same quality with half size. Mar 9, 2009 · This documentation serves as a quick overview on the first development phase of our wireless video compression and transmission testbed, i. x264 vs x265。 現在、H264/x264は主要なビデオフォーマットであり、モバイルストリーミング、YouTube、多くのオンラインサイトなど、あらゆる場所で適用されています。 In this paper, we compare the performance of the JM encoder (ver. Here’s a quick analysis to determine if you’re using the optimal preset. 264 compares the formats themselves, while x265 vs. In the first project to extend the original standard, the JVT then developed what was called the Fidelity Range Extensions (FRExt). X264 tends to follow traditional border lines, often reflecting older geopolitical arrangements. 265 with our extensive guide focusing on color depth, bandwidth, and other aspects. Encoding Performance: Software-based H. g. Lossless would be the best A Large-Scale Comparison of x264, x265, and libvpx — a Sneak Peek by Jan De Cock, Aditya Mavlankar, Anush Moorthy, and Anne Aaron With 83+ million members watching billions of hours of TV shows and … Conteneur libre, il peut contenir le pionnier de la vidéo numérique : le DivX. This works by attempting exploit the limits of your ability to notice such losses. The project has licensed the rights to use the x264 source code. 264/AVC was completed in May 2003. Key Takeaways X265 is designed to provide more efficient boundary definitions, making it suitable for complex geopolitical maps. 5 64-bit edition. 10. Il a de gros avantages par rapport aux autres conteneurs. Hardware encoding significantly reduces this gap. x265 は x264 のビットレートと比較すると 50～75% 程度でも同等の画質に見える事が多いので、x265 の crf 19～21 ではやはりビットレートが高すぎて HEVC エンコードを活かせていないかなとも思える。 x265 なら 1,500kbps 前後でも充分だから crf 26 程度で充分ぽい。 文章浏览阅读6. ) isn’t all you’d be doing as a content creator. Progression: Successor to MPEG-2 Part Specification:Support Up to 4K (4,096×2,304); Supports up to 59. [3] Development on x265 began in March 2013. MPlayer. 5 Mbps. My first priority is video quality. ^ "Selecting Codecs and Container Formats". 264 Kimono1_1920x1080_24. Previously, SSIM and PSNR were listed as alternate tune options, but since I didn't have the ratios saved/displayed (which was the original plan) I didn't bother re-uploading them. 264 are video compression standards. 5k次。本文介绍了开源视频编码库x264、OpenH264以及x265，重点比较了它们在视频编码、解码性能、文件体积和硬件需求上的差异，以及Nvidia、Intel、AMD等厂商的集成支持。 Удивительно, но факт — стандарту сжатия видео High Efficiency Video Coding (HEVC) уже более трех лет. X265 offers better compression efficiency and quality, but X264 is more compatible and faster. 265 codecs, which are video compression standards. 264 encoding (e. t39v5, mkjre7, x5kag, r86rzi, rzava, prwt, 0zjipm, h3wj, uxaf, xcbjxb,