When watching movies or television shows at home, you\u2019ll choose between DVD and Blu-Ray, but how are they different? That\u2019s exactly what you\u2019ll learn in today\u2019s article!\n\n\n\nWhat\u2019s the difference between Blu-Ray and DVD? Blu-Ray and DVD are quite different in several ways, as Blu-Rays are more scratch-resistant, have a better laser, offer superior audio quality, and boast higher-level image resolution. \n\n\n\nIf you\u2019re eager to learn more about the differences between Blu-Ray and DVD, then you\u2019ve come to the right place. In this guide, I\u2019ll also discuss how Blu-Ray stacks up with streaming services and HD DVD! \n\n\n\n\n\nBlu-Ray and DVD - The Differences Between Them\n\n\n\nScratch Resistance\n\n\n\nThe grooves of a Blu-Ray disc are a lot skinnier than those on a DVD. Additionally, those grooves are much nearer to one another. \n\n\n\nSo why the design change between Blu-Rays and DVDs? The positioning of the grooves in a Blu-Ray makes the disc harder to scratch than a DVD.\n\n\n\nThat doesn\u2019t mean you can\u2019t scratch a Blu-Ray, it just means they're more scratch resistant, in comparison, to the standard DVD.\n\n\n\nLaser Quality\n\n\n\nDVDs changed the game when they came out in 1997, as they used laser technology. When Blu-Ray debuted about a decade later in 2006, it continued the laser trend.\n\n\n\nHowever, the types of lasers the two discs use are quite dissimilar, as you might have expected.\n\n\n\nA DVD player uses a red laser with a wavelength of 650 nanometers or nm. \n\n\n\nBlu-Ray players, on the other hand, uses a blue laser that operates on a 405-nm wavelength. \n\n\n\nThe blue laser is indeed where the Blu-Ray name came from.\n\n\n\nThe shorter wavelength of a Blu-Ray might not seem more advantageous, but quite the contrary. The 405 nanometers wavelength Blu-Ray Players use to read the contents of its disc allows it to perform with expert precision. \n\n\n\nAudio Quality\n\n\n\nDVD players typically use Dolby Digital 2.0 or Dolby Digital 5.1 sound, the latter of which have five full-range audio channels for right, right surround, left, and left surround.\n\n\n\nYet Blu-Ray players step up the audio quality a notch, offering audio formats like Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, and DTS:X.\n\n\n\nDVD audio quality isn\u2019t poor, per se, but it's not on par with the sound quality Blu-Ray can produce. \n\n\n\nIf you buy a Blu-Ray copy of a movie or TV show you own on DVD, the improvement in audio quality will be noticeable. \n\n\n\nImage Resolution \n\n\n\nAudio is only half the equation when enjoying films and television shows and the image is the other. \n\n\n\nDVDs, given that they\u2019re older technology, use standard definition or 480 SD. On today\u2019s large smart TVs, the image resolution of a DVD can be rather lacking.\n\n\n\nBlu-Rays feature high definition and play at 1080 HD quality. \n\n\n\nAre Old Movies Better on Blu-Ray or DVD?\n\n\n\n\n\n\n\nAs the last section should make clear, Blu-Ray is in every way the more superior technology. Thus, for most people, it\u2019s the preferable way to watch movies and television shows.\n\n\n\nNewly-released shows and films look incredible. The details are crisp and lifelike while the audio is immersive and makes it very easy to get into what you\u2019re watching.\n\n\n\nWhat about older movies or TV shows though, such as those that predate both Blu-Ray and DVD?\n\n\n\nBlu-Rays will again deliver superior audio and video quality when it comes to older films being re released on a Blu-Ray format, but whether that\u2019s preferable comes down to personal opinion.\n\n\n\nSome people find that watching older films in ultra-high quality such as on Blu-Ray can sometimes cause subtle color differences or resolution upgrades that they don\u2019t necessarily think is more appealing.\n\n\n\nThese people are likely in the camp that since the movie is older anyway, losing some resolution by watching on DVD is not that big a deal. \n\n\n\nOthers prefer watching both newer and older movies and television shows on Blu-Ray simply for the upgrade in every way. \n\n\n\nBlu-Ray vs. Streaming: Which Is Better?\n\n\n\nOf course, the days of pulling out a huge collection of DVDs or Blu-Rays to watch are coming to an end. Streaming video means you don\u2019t have to spend upwards of $30 to own every new movie when it comes out.\n\n\n\nIn the battle of Blu-Ray and streaming, which technology is better?\n\n\n\nMost streaming services today offer 4K quality as the default. That seems like a pretty open and shut case then, right?\n\n\n\nUntil you consider 4K Blu-Ray.\n\n\n\n4K Blu-Ray is also known as Ultra HD Blu-Ray and is even better than the original Blu-Ray technology. Whether you stream or use 4K Blu-Ray, the average picture resolution will be 3840x2160. This resolution looks best on 4K TVs. \n\n\n\nThere is one thing that streaming services have that Blu-Ray does not, and that\u2019s bitrate. \n\n\n\nBitrate is how much data your TV receives to maintain its quality when watching a movie or TV show on Netflix, Hulu, HBO Max, Disney+, Peacock, or your streaming service of choice. \n\n\n\nThe better your Internet speed, the better the bitrate. When your Internet speeds drop though, even temporarily, the streaming service compensates by reducing bitrate data so it doesn\u2019t have to begin buffering your TV show or movie.\n\n\n\nThe bitrate drop will lead to a noticeable decrease in video and audio quality. It\u2019s not like you\u2019re watching pixels on a screen in a giant blur, but you\u2019re certainly not getting 4K quality in those moments.\n\n\n\nA 4K Blu-Ray\u2019s quality is not tied to the Internet. This means that even if your Internet isn\u2019t working, you could continue watching your film or television show without a single disruption in quality.\n\n\n\nMore so, there\u2019s a difference in frame rate. \n\n\n\nStreaming services have a standard frame rate of 30 frames per second or fps while for 4K Blu-Ray, it\u2019s 60fps. \n\n\n\nOf course, a streaming service can upgrade its frame rate as broadband connections continually improve whereas a 4K Blu-Ray will always be capped at a frame rate of 60fps unless the technology evolves right along with streaming.\n\n\n\nIn this moment though, 4K Blu-Ray has the frame rate advantage.\n\n\n\nThus, the winner is 4K Blu-Ray. \n\n\n\nHD DVD vs. Blu-Ray: Which Has the Advantage?\n\n\n\nIt\u2019s not only Blu-Ray that\u2019s evolved with 4K Blu-Ray but DVD as well. For instance, there\u2019s HD DVD, which was introduced the same year as original Blu-Ray back in 2006. \n\n\n\nHD DVD is also discontinued, having only been around until 2008. Even still, it\u2019s worth comparing this advanced DVD technology with Blu-Ray.\n\n\n\nBoth HD DVD and Blu-Ray offer surround sound support for 7.1 channels as well as HDTV native resolution in up to 1080p, but the disc capacity of Blu-Ray still outshines even HD DVD.\n\n\n\nHD DVD has a disc capacity of 15 gigabytes for a single layer and 30 gigabytes for a double layer. Blu-Ray has 25 gigabytes for a single layer and 50 gigabytes for a double layer. \n\n\n\nThe video capacity of a Blu-Ray is better, with nine hours of HD footage or 23 hours of SD footage versus eight hours of HD footage for an HD DVD. These DVDs can store 24 hours of SD footage though. \n\n\n\nGiven that HD DVD is dead technology and Blu-Rays are still manufactured to this day, I think it\u2019s clear that Blu-Ray is the winner in this category. \n\n\n\nIs Blu-Ray Worth It? \n\n\n\nCompared to a DVD, you\u2019re usually paying $5 or $10 more to own a Blu-Ray. \n\n\n\nSure, part of that is for the different box art and maybe some bonus features, but are Blu-Rays worth it as a whole?\n\n\n\nMost people agree that yes, Blu-Rays are very much worth it.\n\n\n\nDespite that Blu-Ray technology is about two decades old, there has yet to be a better form of disc-based movie and television viewing than Blu-Ray. \n\n\n\nHD DVD came close, but the technology lasted only two years. \n\n\n\nOf course, these days, when everything is about digital enjoyment rather than owning physical copies (which is true in the world of music as it is in films and television), you may wonder what the need is to own Blu-Rays.\n\n\n\nWell, as noted, Blu-Rays at current offer superior frame rates to streaming services. Plus, a Blu-Ray\u2019s quality never decreases if your Internet connection gets a bit slow.\n\n\n\nInternet connectivity and speed will always be a concern when streaming due to the nature of consuming this form of media. Bitrate drops can decrease quality.\n\n\n\nFor those who collect movies or truly appreciate reliable audio and video quality, owning films and television shows on Blu-Ray can be far better than streaming.\n\n\n\nThere\u2019s also the benefit that once you have it, it\u2019s yours to own forever. Content appears and disappears off streaming services as those services see fit. \n\n\n\nIf your favorite movie or show is removed from your streaming service before you get a chance to finish it, there\u2019s nothing you can do.\n\n\n\nWith a Blu-Ray, you can watch and rewatch as much as you want today, six months from now, and even six years from now and no one can take that away from you. \n\n\n\nIt\u2019s no wonder people still buy Blu-Rays in today\u2019s age of streaming!