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Difference Between Boox Note Air 2 Plus and Tab Ultra

The Note Air 2 Plus and the Tab Ultra are two of the most popular e-ink tablets developed by Onyx Boox, a leading e-book reader brand based in China. Designed for productivity and reading, both are excellent note-taking devices and support a wide range of productivity apps. Boox launched the Note Air 2 Plus in 2022 which was a decent upgrade from the Note Air 2 that came out in 2021. The Tab Ultra is a more powerful e-book reader for more demanding users. So, how do you choose the one that best fits your needs? In this article, we break down some key differences between Boox Note Air 2 Plus and Tab Ultra.

Boox Note Air 2 Plus

The Boox Note Air 2 Plus is a powerful 10.3-inch E-Ink tablet and note-taker that boasts an incredible variety of features and functionality. It was launched in 2022 and was a decent upgrade from its predecessor, the Note Air 2. It comes with a dual touch control and is equipped with a 3,700mAh battery, which lasts a whopping four weeks with basic use.

Boox Tab Ultra

The Boox Tab Ultra is a more powerful e-ink tablet with a high-alumina silicon glass body and a 10.3-inch E Ink Carta HD screen. It is heavier than its predecessor but slimmer. The best part; the Tab Ultra features a 16MP camera, which is a superb addition. The powerful refresh modes also give the device an edge over the Note Air 2 Plus.

Difference between Boox Note Air 2 Plus and Tab Ultra

Display and Screen

– The Note Air 2 Plus is a portable device with a 10.3-inch E Ink Carta HD display with a flat-cover lens. It boasts a 1404×1872 screen resolution and pixel density of 227 ppi. It has 16 shades of grey with the Regal function. The Tab Ultra is a powerful device with a sharp black-and-white screen but the same 10.3-inch E Ink Carta screen. It boasts an 1872 x 1404 screen resolution with 227 dpi. It has 256 shades of grey. The Tab Ultra, however, is heavier than Note Air 2 Plus.


– Another distinguishing feature between the two tablets is the camera. The Tab Ultra features a 16MP camera to allow users to do more with an ePaper tablet. The camera not only allows you to scan documents but also take photos. Although the Note Air 2 Plus is great for reading and productivity, it does not have a camera. This round also goes to Tab Ultra.


– The Note Air 2 Plus has 4GB LPDDR4X memory with 64GB (UFS2.1) ROM. This is suitable for most users who like to read books and take notes. It is also appropriate for a wide variety of apps. The Tab Ultra also has 4GB memory but offers a 128GB ROM for more power-hungry users who often need to process large amounts of data. It also has a microSD card slot to expand the storage capacity.

Performance and Battery

– Although both devices have the same 227 dpi, the Tab Ultra is more sensitive to touch and the screen appears more clear thanks to its high-alumina silicon glass and 50% thinner touch layer. The Note Air 2 Plus, however, has a better pen-to-paper feel, which helps improve your handwriting. The Tab Ultra is equipped with a much larger 6,300mAh battery, while the Note Air 2 Plus has a 3,700mAh battery.

Refresh Rate

– One of the major differences between the two is the refresh rate. This is one area where the Tab Ultra clearly has an edge. One of the coolest things about Tab Ultra is its new refresh rate modes. The tablet offers four refresh rate modes: HD, balanced, fast, and ultrafast. Faster refresh rates mean smoother animations and faster response speeds. While the Note Air 2 Plus also has four refresh modes, it’s not as smooth and responsive as Tab Ultra. 

Boox Note Air 2 Plus vs. Tab Ultra: Comparison Chart


Overall, both are capable devices with some noteworthy differences. The Note Air 2 Plus is an excellent device for everyday users who want to read books and take notes on a portable device. The Tab Ultra is a powerful device with a bigger battery, better performance, and a responsive screen. It also has a camera, which is a great addition. The Tab Ultra is a powerful e-book reader for more demanding users.


What is the difference between Boox Note Air 2 and Plus?

The main differences between the two ebook readers are the Plus’s bigger 3,700mAh battery and enhanced magnets. The magnet system in the “Plus” model securely attaches a folio case to the tablet, which eliminates the need for a physical wraparound shell or adhesive stickers.

Does BOOX Tab Ultra come with a pen?

Yes, it does come with a pen, which is standard in the box.

Is the BOOX Air worth it?

It is an excellent ebook reader with some powerful features that allow users to do everything, from reading and sketching to taking notes.

What resolution is BOOX Air 2 Plus?

The BOOX Note Air 2 Plus boasts a 1404×1872 screen resolution and pixel density of 227 ppi.

Is Boox a Russian company?

Boox is a family of ebook readers produced by Onyx International, which is a company based in China.

How long does Boox Note Air 2 last?

The Boox Note Air 2 has a 3,000mAh battery, which should last at least two weeks with basic use before needing a charge.

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References :

[0]Isaacs, Rebecca. “This E Ink Tablet Needs To Be Your All-In-One Travel Device.” Forbes, 27 July 2023, www.forbes.com/sites/forbes-personal-shopper/2023/07/27/onyx-boox-tab-ultra-c-review/.

[1]Knapp, Mark. “Onyx Boox Tab Ultra C review: Everything's better in color.” Android Police, 12 June 2021, www.androidpolice.com/boox-tab-ultra-c-review/.

[2]Kronfli, Basil. “Onyx Boox Note Air 2 Plus review.” Tech Advisor, 17 May 2023, www.techadvisor.com/article/1920220/onyx-boox-note-air-2-plus-review.html

[3]Cleveland, Greg. “BOOX Note Air 2 Plus e-ink review – a powerhouse e-ink note tablet.” The Gadgeteer, 15 June 2023, the-gadgeteer.com/2023/06/15/boox-note-air-2-plus-e-ink-review-a-powerhouse-e-ink-note-tablet/.

[4]Image credit: https://www.canva.com/photos/MAED6jHkcf0-taking-notes-on-his-digital-tablet/

[5]Image credit: https://www.canva.com/photos/MAEeYW7waO4-hand-writing-note-on-tablet-and-with-pen/

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