Last updated: June 2026
Not long ago, Full HD (1080p) was the gold standard for consumer video. Then 4K arrived and changed everything. Now cameras routinely shoot 6K and 8K — so how do you know which resolution is actually right for your work? Let’s break it down.
What do the numbers actually mean?
Video resolution refers to the number of pixels in each frame. More pixels means more detail, sharper images, and greater flexibility in post-production. Here’s how the main formats compare:
- 1080p (Full HD): 1920 x 1080 pixels — approximately 2 megapixels per frame
- 4K (UHD): 3840 x 2160 pixels — approximately 8 megapixels per frame, four times the detail of 1080p
- 6K: 6000 x 3376 pixels — approximately 20 megapixels per frame, found in cameras like the Nikon Z6 III
- 8K: 7680 x 4320 pixels — approximately 33 megapixels per frame, available in flagship cameras like the Sony Alpha A1 II and Canon EOS R5
The name “4K” comes from the approximately 4,000 pixels on the horizontal axis. Each step up roughly doubles the linear resolution and quadruples the pixel count.
The advantages of higher resolution
More detail and sharpness. Higher resolution captures subtler nuances of colour, texture, and fine detail — particularly noticeable on large screens or when viewing footage up close. In professional contexts like fashion and commercial video, shooting in 4K or above also eliminates moiré — the distracting wavy pattern that can appear on repetitive fabrics like checks and stripes when they exceed the sensor’s resolution.
Downsampling advantage. One of the most compelling reasons to shoot in a higher resolution than your delivery format is the quality benefit when downsampling. 4K footage downsampled to 1080p looks noticeably sharper than footage originally shot in 1080p — because the camera captured four times the detail to begin with. The same principle applies when shooting 6K or 8K for a 4K delivery.
Cropping flexibility. Shooting in 4K or above gives you significant room to crop, reframe, or stabilise footage in post-production without losing quality at your delivery resolution. This is particularly useful for solo creators who can’t always nail the framing on the first take.
Why not always shoot at the highest resolution?
With all those advantages, why would anyone shoot in 1080p or 4K when 6K or 8K is available? There are real practical trade-offs:
- Storage: Higher resolution means significantly larger file sizes. 4K files are roughly four times the size of 1080p; 8K files are even larger. This adds up quickly on memory cards and hard drives, especially when shooting on location.
- Battery life: Recording at higher resolutions demands more processing power, which drains batteries faster. Always carry spares when shooting 4K or above for extended periods.
- Frame rates: Many cameras have limitations on which frame rates are available at higher resolutions. 6K and 8K modes are often limited to 24 or 30fps, which rules out slow-motion capture. Dropping to 4K or 1080p often unlocks higher frame rates like 60fps, 120fps, or beyond.
- Editing performance: Higher resolution footage is more demanding on your computer. Without a powerful editing machine or proxy workflow, 6K and 8K footage can be slow and frustrating to work with.
- Delivery format: If your content is destined for Instagram, TikTok, or standard YouTube, 1080p or 4K is more than sufficient. The additional resolution of 6K or 8K won’t be visible to your audience on most screens.
Which resolution is right for you?
- 1080p — still perfectly valid for social media, vlogging, and content where fast upload and editing turnaround matters more than maximum quality.
- 4K — the current sweet spot for most creators and professionals. Widely supported, future-proof for most delivery formats, and available on a huge range of cameras at every price point.
- 6K — ideal for filmmakers and content creators who want maximum cropping flexibility and the sharpest possible 4K delivery. The Nikon Z6 III is a standout option at this level.
- 8K — best suited to commercial, broadcast, and cinematic work where the highest possible image quality is non-negotiable. The Sony Alpha A1 II and Canon EOS R5 are leading options.
For most creators stepping up from a smartphone or entry-level camera, a 4K-capable mirrorless camera like the Sony A6400 is an excellent starting point — delivering a significant quality upgrade without the storage and processing overhead of 6K or 8K.
Frequently Asked Questions
Is 4K worth it over 1080p?
For most creators, yes. Even if you’re delivering in 1080p, shooting in 4K gives you sharper downsampled footage, more cropping flexibility, and future-proofs your content. The main trade-offs are larger file sizes and slightly higher battery drain — both manageable with a bit of planning.
Can you tell the difference between 1080p and 4K?
On a large screen or when viewing footage up close, yes — the difference is clear. On a smartphone screen or small monitor, it’s much harder to notice. The bigger practical benefit of 4K is often the post-production flexibility it provides rather than the visible difference on screen.
Do I need 6K or 8K for YouTube?
Not for most YouTube content. YouTube’s maximum supported resolution is 8K, but the vast majority of viewers watch in 1080p or 4K. 6K and 8K are most valuable for the cropping and downsampling benefits they provide in post-production, rather than for direct delivery at those resolutions.
How much storage does 4K video use?
It varies by camera and codec, but as a rough guide, 4K footage typically uses 4–8 times more storage than equivalent 1080p footage. A one-hour 4K recording might use anywhere from 50GB to over 200GB depending on the bitrate. Always use fast, high-capacity memory cards and have a solid backup strategy when shooting in 4K or above.
What frame rate should I use for 4K video?
24fps gives the most cinematic look and is the standard for film and narrative content. 30fps is common for YouTube and social media. 60fps is great for smooth motion and allows for 2x slow motion when played back at 30fps. Higher frame rates like 120fps are typically only available at 1080p on most cameras, so factor this in if slow motion is important to your work.
Which cameras shoot 6K or 8K video?
6K video is available on cameras like the Nikon Z6 III. 8K is available on flagship models including the Sony Alpha A1 II and Canon EOS R5. These are professional-grade tools — for most creators, a 4K camera like the Sony A6400 offers an excellent balance of quality, practicality, and value.
Ready to upgrade your video setup?
Browse our full range of mirrorless cameras online, or visit your nearest Ted’s Cameras store for personalised advice from our expert team.