Bigme B751C S Ebook Reader, vs VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity
Updated August 2026 — Bigme B751C S Ebook Reader, wins on price and screen size, VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity wins on thickness and weight.
The VIWOODS AiPaper Reader offers superior display quality and advanced AI features, making it a better choice for dedicated readers. However, the Bigme B751C S provides more versatility with its Android OS.
Why Bigme B751C S Ebook Reader, is better
Versatile OS
Bigme runs on Android 14, allowing app installations.
Handwriting feature
Bigme supports handwriting and note-taking.
Lower price
Bigme is priced at $265.05, cheaper than VIWOODS.
Why VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity is better
Display quality
VIWOODS features a 300 PPI Carta 1300 display.
Lightweight design
VIWOODS weighs only 138g, making it more portable.
AI features
VIWOODS offers AI assistance and personal knowledge library.
Overall score
Specifications
| Spec | Bigme B751C S Ebook Reader, | VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity |
|---|---|---|
| Display | 7" Color E-Paper | 6.13" Carta 1300 |
| Resolution | N/A | 300 PPI |
| RAM | 4GB | N/A |
| Storage | 64GB | 128GB |
| OS | Android 14 | N/A |
| AI Features | No | Yes |
Dimension comparison
Design and Portability
When it comes to design and portability, the VIWOODS AiPaper Reader stands out with its ultra-thin and lightweight construction. Weighing only 138g and measuring just 6.7mm in thickness, it offers a compact form factor that makes it easy to carry on the go. In contrast, the Bigme B751C S Ebook Reader, while still portable with its 7-inch screen, is slightly bulkier. The emphasis on portability in the VIWOODS device makes it ideal for commuters or travelers who want something that slips easily into a bag or pocket.
Display Quality
The display quality of the VIWOODS AiPaper Reader is enhanced by its advanced Carta 1300 E-Ink technology, which offers a high resolution of 300 PPI. This provides a crisp and clear reading experience that is visually appealing. The Bigme B751C S, on the other hand, features a 7-inch color E-Paper display designed for eye-friendly reading. While the color capabilities may appeal to some users, the overall resolution of the VIWOODS reader gives it an edge for those prioritizing text clarity and image quality.
Performance and Operating System
Performance-wise, the Bigme B751C S runs on Android 14 OS, allowing users to install a variety of applications, which makes it a versatile option beyond just reading. The device is equipped with 4GB of RAM and 64GB of internal storage, expandable via a TF card slot. The VIWOODS AiPaper Reader, however, offers a more straightforward e-reading experience with 128GB of storage. Although it does not support app installation like the Bigme, the focus on enhanced reading features may cater to users who prefer a more dedicated e-reading device.
Additional Features
The Bigme B751C S includes features that enhance productivity, such as the ability to take handwritten notes and convert them into text, making it a great tool for students or professionals. It also allows users to record audio live during lectures or meetings. The VIWOODS reader, while not supporting handwriting, compensates with AI-powered features that provide instant assistance and allow users to save Q&A interactions in a personal knowledge library. This makes it a strong choice for those who value interactive learning and quick access to information.
Battery Life
Battery life is often a critical factor for e-readers, and both devices are designed to last for extended periods. However, the specific battery performance details are not provided. Generally, E-Ink displays, like those found in both the Bigme B751C S and VIWOODS AiPaper Reader, are known for low power consumption, which suggests that users can expect long reading sessions without frequent recharges. While we cannot pinpoint exact numbers, the reputation of E-Ink technology indicates that both options will likely satisfy users with their longevity.
Price Comparison
In terms of pricing, the Bigme B751C S is currently priced at $265.05, making it about 5% cheaper than the VIWOODS AiPaper Reader, which costs $279.99. This price difference of approximately $14.94 may make the Bigme a more attractive option for budget-conscious consumers looking for a capable e-reader with additional features. However, the investment in the VIWOODS reader may be justified by its advanced display technology and AI capabilities.
Sales Rank and Market Position
The sales rank of the Bigme B751C S is 65,746, indicating a lesser demand compared to the VIWOODS AiPaper Reader, which has a sales rank of 15,239. This suggests that the VIWOODS model is more popular among consumers, potentially due to its streamlined design and effective features tailored for readers. Buyers may find comfort in the popularity of the VIWOODS reader, as it reflects a level of trust and satisfaction from other users.
Which should you buy?
Choosing between the Bigme B751C S and the VIWOODS AiPaper Reader ultimately depends on your specific needs. If you prioritize a versatile device with Android capabilities and features that enhance productivity, the Bigme might be the right choice for you. However, for those seeking a lightweight, high-resolution e-reader with advanced AI functionalities, the VIWOODS presents a compelling option. Consider your reading habits, desired features, and budget to determine which device aligns best with your lifestyle.

