By far, Vimeo boasts over 7,000 4K videos like a UHD homeland. How many 4K movies on YouTube? Who knows. Some movies produced by Warner, Paramount and 20th Century Fox have been made streamable in 4K. And at the very least, there are a bevy of 4K videos, 4K movie trailers and short films on YouTube. However, YouTube allows video viewing on their website only. But with the help of a 4K video downloader, you can watch 2160p UHD YouTube videos on elsewhere. Here I'll review a free 4K video downloader from the aspects of speed, video compatibility, user friendliness and so on.
Let's take the 4K YouTube video downloader for a quick spin. It is totally free software to download any videos (including 4K/8K videos) online from YouTube and save on PC.
Speed: The download speed is the first factor in performance to consider for most downloader users, especially in consideration of the fact that 4K video is enormous in file size. WinX 4K Video Downloader can make the utmost use of the configuration or performance of user's hardware. Specifically, the freeware is optimized for any type of CPU (ranged from Xeon, dual Xeon, quad Xeon and penta Xeon), and then take advantage as much RAM as possible, and also take advantage of the SMP architecture of that multiple CPUs. In other words, the more CPUs are added on the SAME board video, the faster the downloading speed will be. Similarly, it can make good use of GPU resource (GPU cards) and scale out the downloading power. With Multicast Technology, it reduces the usage of network bandwidth, and with Multi-thread Technology, it speeds up the online download maximally, offering 5-8X real-time speed.
Let's take downloading a true 4K short test video on a basically configured computer to test:
* Video resolution：4096x2160
* Video duration: 2.5s
* File size: 300MB (averagely 120MB for one second)
* Download speed: 1m/s - 10m/s
* Download duration: 30s for 10m/s; 300s for 1m/s
Video Compatibility: It fully supports downloading 4K videos (even at 60fps), and up to 8K videos, including 3840 x 2160, 4096 x 3072, 4096x2160, 5120 x 2880, 6144 x 3160 and 7680 x 4320 resolution videos from YouTube. It supports all MP4, FLV and WebM videos provided in YouTube, accepts even 3D online videos. If needing to outputting the video in any other formats like AVI, MPEG, H.264, M4V, MOV, MTS or iPhone iPad Android friendly files, you can choose its premium video converting feature, such that the YouTube 4K/8K videos can be played through WMP, VLC, KMPlayer, 5KPlayer and so on with ease, and even be future edited and burned to DVDs.
User Friendliness: It is applied to all Windows OS (including Windows 8.1) without the need of using Net Framework 2 (SP2). It is totally free, with full functionality but no payment and registration, ever. This free 4K video downloader is extremely easy to use, please see the following user guide of downloading a 4K UHD movie trailer from YouTube:
Step 1. Download and install the best free 4K video downloader, and launch it when you are in need of use by double click the software icon.
One tip: Before downloading a 4K video, please make sure that you have enough free space on your hard disk, and better close unnecessary processes.
Step 2. Go to YouTube official site and search for a 4K video.
Step 3. Click +(add) button, Ctrl C & Ctrl V the 4K video URL.
Step 4. Click "Analyze" button and select among the resolutions/sizes listed.
Step 5. Hit Download button and go.
Extra Features: WinX 4K Video Downloader is a clutter-free video downloading program, but it does not mean it has no other niche features. For example, it allows you to preview the Ultra HD video, choose different resolutions, output formats and sizes before downloading, define the video output folder, take snapshot (.png image),
Cons: Not cross-platform and open source.
Upgrade to all-in-one 4K video download converter:
If using WinX HD Video Converter Deluxe, you are enabled to change the resolution (8K to 4K, 4K to 4K, 4K 2160p to 1080p, 4K to 720p, 4K to 480p, etc.), convert the video formats (MP4 to AVI, M2TS to MKV, etc), compress video sizes (MTS to MP4, MKV to FLV, AVCHD to AVI, etc), change video aspect ratios between 16:9, 17:9, 19:10, 4:3 and 3:2 to fit your iPhone 5S/6/6s Plus, iPad Air 2, iPad mini 4, Samsung Galaxy S6, Note 5, Chromecast, Roku, Google Nexus 6, 4K smart TV and so on. The conversion task can be completed in a flash thanks to the newly added Hardware Acceleration Technology.
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