Screenium 3 is one of the most popular screen recording suites and the key feature is that Screenium 3 perfectly adapts to Retina Macs and ultra-high resolution 4K or 5K displays to record the screen at 60 frames per second. If you want a video recorder for Mac which can record 4k videos, just give Screenium 3 a try. However, it is a pity that although it is excited that we can record 4k video with Screenium 3, we have to compress Screenium 3 4K recordings on Mac to playback and edit the Screenium 3 4K recording.
Generally, you need to have a monitor which is capable of playing back 4K video if you want to properly play Screenium 3 4K recording. Even if your computer meets the requirements, you may find that Screenium 3 4K recording plays back choppy. This is due to the immense processing power required to play 4K. Here are the minimum system requirements for PC and Mac for 4K edit/playback based on processor and graphics chip manufacturer's websites.
Integrated Graphics solutions that support 4K external displays (8GB RAM recommended with integrated graphics solutions):
- 4th generation Intel® Core™ processor family (Intel Haswell based CPUs) - (Intel® Iris™ Pro Graphics 5200 / Intel® Iris™ Graphics 5100, Intel® HD Graphics 5000 / 4600 / 4400 / 4200)
- AMD A10-7800 APU
Discrete Graphics cards that support 4K external displays:
- Nvidia GeForce
- GeForce® GTX™ 970
- GeForce® GTX™ 980
- GeForce® GTX™ TITAN Z
- GeForce® GTX™ TITAN Black
- GeForce® GTX™ TITAN
- GeForce® GTX™ 780 & 780 Ti
- GeForce® GTX™ 770
- GeForce® GTX™ 760 & 760 Ti
- GeForce® GTX™ 750 & 750 Ti
- GeForce® GTX™ 690, 680, 670, 660, 660 Ti, 650, 650 Ti BOOST, 650 Ti
- AMD Radeon™ HD 7000 Series or better
If your Mac doesn't meet the requirements, you might need to compress Screenium 3 4K recording to 1080p on Mac for smooth playback with QuickTime and edit in iMovie, FCP X. Fortunately, it is easy to reduce Screenium 3 4K recording resolution to 1080p on Mac with some Video Compressor software.
World NO.1 4K Video Compressor to Compress Screenium 3 4K Recording on Mac
Pavtube iMedia Converter for Mac is a straight-forward and efficient software whose main purpose is to assist you in shrinking your Screenium 3 4K recording files in order to make it easier for you playback and editing. You can use it to compress Screenium 3 4K recording files to 1080p in MP4, MKV, MOV, ProRes, DNxHD, QuickTime, etc format so that you can play the Screenium 3 4K recordings on Mac smoothly and edit it in iMovie, FCP, Davinci Resolve without hassles. If you don't want to reduce Screenium 3 4K recordings but just want to change the video format, it's OK cause Pavtube iMedia Converter for Mac also can output 4K video in H.264 and H.265 codec with MP4 and MKV extensions.
What's more, you can edit the Screenium 3 4K recordings before output. With the built-in video editor, you can trim Screenium 3 4K recording video length, crop the Screenium 3 4K recordings border, add external subtitles to Screenium 3 4K recordings and insert text/image/video watermark to Screenium 3 4K recordings to show the sovereignty. This 4K Video Compressor is fully compatible with macOS Sierra, Mac OS X 10.11 El Capitan, Mac OS X 10.10 Yosemite, 10.9 Mavericks, etc. Now, donwload the 4K Video Compressor to start to condense Screenium 3 4K recording files.
Load and Import Screenium 3 4K Recording files
Simply download and install the 4K Video Compressor on your Mac. The main window of the application is quite basic, with no impressive features about it. However, thanks to its simplicity, even less experienced computer users can work with it without a problem, as its processing steps are fairly transparent. You can directly drag and drop the Screenium 3 4K recording files to the software or click "File" to load Screenium 3 4K recording files into the program. Pavtube iMedia Converter for Mac supports to batch conversion so you can add multiple Screenium 3 4K recording files at a time. All the Screenium 3 4K recording files will be listed on the left.
If you have multiple Screenium 3 4K recording clips, you can merge the 4K clips into a single one file by checking "merge into one file". In the right preview window, you can preview the video.
Choose Output Format According to the Usage
In the profile window, you can see hundreds of video audio formats and device presets. You should choose the format according to your usage. If you want to edit Screenium 3 4K recording clips in NLE software, you can choose ProRes MOV format. Pavtube iMedia Converter for mac exports 6 types ProRes. You also can choose QuickTime MOV format in that iMovie, FCP also support QuickTime MOV format. When you convert Screenium 3 4K recording clips to QuickTime MOV, you also can play Screenium 3 4K recording clips with QuickTime freely on Mac.
Commonly, MP4 is also an excellent choice to ouput. But it is better that the MP4 video is encoded with H.264 codec and AAC audio cause few software on Mac can handle H.265/HEVC video. (Learn the Best H.265/HEVC Converter for Mac)
Screenium 3 4K Recordings Resolution Contraction
Now, back to the main interface. Click "Settings" next to the Format button. When you press on it, a new window will pop up where you can configure the video and audio encoder codec, frame rate, sample rate, bitrate, channel. The key step to compress Screenium 3 4K recordings is to click "Size(pix)" to select 1920*1080 as the final resolution for output video. You also can adjust other A/V parameters to make the export video more compatible with your video player, NLE software, mobile devices. You can see the target video size change by downscaling Screenium 3 4K recordings resolution in the below chart.
In this step, any 4K video can be compressed such as DJI Inspire 1 4K video, DJI Phantom 4 4K clips, GOPRO Hero 4 footages, Yuneec Typhoon 4 recordings, iPhone 7 4K shootings, etc.
Edit Screenium 3 4K Recordings (Optional)
If needed, you can edit Screenium 3 4K recordings before output. Click “Edit” to open the video editor window. In “Video Editor” there are seven edit tabs: Trim, Crop, Text Watermark, Image/Video Watermark, Effect, Audio Editor and Subtitle.
Trim Screenium 3 4K recordings : The "Trim" feature allows users to decide where to start and where to end when converting the selected clip, so that unwanted segments will be cut out after conversion.
Crop Screenium 3 4K recordings : The "Crop" facility enables users to get rid of the black edges and unwanted area of the image.
Adjust Screenium 3 4K recordings Apect Ratio: There are "Simple Mode" and "Advanced Mode" under Crop feature. 
Under "Advanced Mode", you can choose to keep original aspect ratio and cropped aspect ratio.
Add Subtitle to Screenium 3 4K recordings : In this tab, you can add *.srt or *.ass/*.ssa subtitle-files to the video as hard subtitles.
Start to Compress Screenium 3 4K recordings to 1080p on Mac
Finally, press big red "Convert" to start to compress Screenium 3 4K recordings. A process window will pop up to show you the process bar. You can see "Shut Down Computer After Conversion", which enables you to do other things when converting Screenium 3 4K recordings to 1080p vodeo and don't worry about the computer. In the output folder, you can locate your Screenium 3 4K recordings in 1080p video files.
Play and Edit Screenium 3 4K Recordings on Mac
Now, you can play Screenium 3 4K recordings with QuickTime or other top Mac video players such as MPlayerX, Divx Player, Elmedia Player on Mac. You also can import Screenium 3 4K recordings to iMovie, Fincal Cut Pro X/6/7 foe editing. It is also easier to share and faster to upload Screenium 3 4K recordings when reduced them to YouTube, Facebook, Google Drive and Vimeo sharing options.
