4K プロジェクターと 1080p プロジェクター: 実際の違いは何ですか?

4K Projectors vs. 1080p Projectors: What's the Real Difference?

Aestiquo is dedicated to setting new standards for home entertainment. Today, many people are unsure whether to choose 4K or 1080p projectors when purchasing one. The difference isn't just in resolution; it also has a significant impact on viewing experience, price, and lifestyle. This article thoroughly analyzes the core differences between the two and highlights the advantages of Aestiquo's popular P1 and Q1 models to help you make the best decision.

The core difference between 4K and 1080p

Resolution: A world of 4x the detail

4K projectors have a resolution of 3840 x 2160 pixels , which is about four times the amount of information as 1080p's 1920 x 1080 pixels . This means that the detailed textures of movies and the realistic worlds of games are reproduced more clearly.

The image is a visual comparison of the display area of ​​different resolutions: 4K contains far more pixels than 1080p.

Viewing distance: correlation with screen size

The degree to which differences in resolution are perceived varies greatly depending on the viewing distance. As a general guide, THX's recommended viewing distances are:

  • 1080p : Distance 1.5 to 2.5 times the screen width
  • 4K : Distance 1.0 to 1.5 times the screen width

For example, with a 100-inch screen, the optimal viewing experience is about 1.5 meters for 4K and about 2.5 meters for 1080p. For a 120-inch screen (2.63m wide), the recommended viewing distance for 4K is 1.3-2.0m, and for 1080P it is 2.0-3.3m. If you view from too far away, you won't be able to fully appreciate the details of 4K.

Projector viewing distance calculation formula

An example of a viewing distance calculator that can help you calculate optimal viewing positions based on screen size and resolution.

Content: 4K Source Prevalence

While 4K content has rapidly increased in recent years, 1080p content remains the norm. Streaming services like Netflix and Amazon Prime Video are adding more 4K titles, but Blu-ray and terrestrial broadcasts still focus on 1080p. While 4K projectors can upscale and display 1080p content, this doesn't necessarily mean it offers an advantage over a 1080p projector that uses the original resolution.

Aestiquo P1/Q1 Product Advantage Analysis

Aestiquo's P1 and Q1 are excellent performers in the 4K and 1080p fields, respectively.

Aestiquo P1: A high-end model with 4K support

Aestiquo P1 4K compatible

  • Resolution : 4K UHD (3840×2160)
  • Brightness : 20,000 lumens (high brightness and clear even in the daytime)
  • Features : Android TV 13, 270° rotating stand, automatic keystone correction
  • Price : ¥9,999 (50% off the regular price of ¥19,999)
View Aestiquo P1 product details

The P1 usesJVC's 4K D-ILA technology to achieve high contrast and a wide color gamut, with particularly excellent black reproduction in dark scenes, providing a cinema-like immersive experience.

JVC D-ILA technical principle diagram

JVC D-ILA technology has 93% opening rate and vertical alignment liquid crystal performance 10,000:1 originality ratio

Aestiquo Q1: 1080p high-cost performance model

Aestiquo Q1 1080p compatible

  • Resolution : Full HD (1920×1080)
  • Brightness : 3000 CVIA lumens (energy-efficient and bright enough)
  • Features : Bluetooth 5.3, 10,000 hours long life light source, lightweight design
  • Price : ¥6,999 (30% off the regular price of ¥9,999)
View Aestiquo Q1 product details

The Q1 is ideal for those on a budget or who primarily watch streaming content, and it supports the HDMI 2.1 standard , making it ideal for low-latency gaming.

HDMI 2.1 Standard Logo

How to choose: Based on your lifestyle

When to choose 4K:

  • Use a large screen (120 inches or more)
  • I often watch 4K Blu-rays and high-definition streaming
  • I want to invest for the long term (more than 5 years)

When to choose 1080p:

  • For use on small and medium screens (100 inches or less)
  • I mainly watch 1080p content like Netflix and YouTube
  • I want to keep my budget low (Q1 is about 30% cheaper than P1)

Real user reviews:

"When watching movies on the P1, even the subtle movements of hair and the texture of clothing are clearly visible. The quality is beyond what you'd expect for the price!"

- TK from Tokyo

"I use the Q1 in my bedroom. It's bright enough and mirroring with my phone is easy. I'm very happy with it."

- YM from Osaka Prefecture

Summary: 4K or 1080p?

4K projectors are ideal for movie enthusiasts and gamers looking for high-quality images, but require an initial investment, while 1080p projectors are more budget-friendly and offer enough performance for everyday viewing.

Both the Aestiquo P1 and Q1 are excellent products in their respective fields, and their current sale prices are a great deal.

It's important to choose one that suits your viewing environment and the type of content you want to watch. If you're still undecided, check out Aestiquo's Home Entertainment Guide .

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