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Bigme B7 Pro Color e-Reader, E-Ink ePaper Tablet vs VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity

Updated August 2026 — Bigme B7 Pro Color e-Reader, E-Ink ePaper Tablet wins on storage and display, VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity wins on price and thickness.

The Bigme B7 Pro Color offers superior performance and features, while the VIWOODS AiPaper Reader excels in portability and affordability.

Why Bigme B7 Pro Color e-Reader, E-Ink ePaper Tablet is better

Display Quality

Bigme has a color display for a dynamic reading experience.

Performance

Bigme features a more powerful processor and larger storage.

Additional Features

Bigme includes a smart stylus and OCR capabilities.

Why VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity is better

Portability

VIWOODS is lighter and thinner, ideal for travel.

Price

VIWOODS is significantly cheaper.

AI Features

VIWOODS offers AI assistance for enhanced learning.

Overall score

Bigme B7 Pro Color e-Reader, E-Ink ePaper Tablet
85
VIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity
70

Specifications

SpecBigme B7 Pro Color e-Reader, E-Ink ePaper TabletVIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity
ProcessorMediaTek Dimensity 1080Standard Processor
RAM8GBN/A
Storage256GB128GB
Display TypeE-ink Kaleido 3Carta 1300
4G SupportYesYes

Dimension comparison

Bigme B7 Pro Color e-Reader, E-Ink ePaper TabletVIWOODS 6.13'' Carta1300 AiPaper Reader with 4G Connectivity

Display Quality

The Bigme B7 Pro Color e-Reader offers a superior display experience with its 300PPI E-ink Kaleido 3 technology. This feature allows for vivid colors and a true paper-like reading experience that enhances long-term reading comfort. In contrast, the VIWOODS AiPaper Reader utilizes the advanced Carta 1300 display, also boasting a 300PPI resolution. While both devices provide high-resolution visuals, the Bigme's color capabilities give it an edge for those who prefer a more dynamic reading experience.

Performance and Specifications

In terms of performance, the Bigme B7 Pro Color is equipped with an upgraded MediaTek Dimensity 1080 Octa-core processor and 8GB of RAM, ensuring smooth operation across various tasks. It includes 256GB of internal storage, accommodating around 160,000 books, and allows for expansion up to 2TB via micro SD. On the other hand, the VIWOODS AiPaper Reader features a lighter setup with 128GB storage but lacks the same level of processing power. The Bigme is priced at $427.49, while the VIWOODS is about 35% cheaper at $279.99.

Design and Portability

The design of the VIWOODS AiPaper Reader emphasizes portability with its ultra-thin and lightweight structure, weighing just 138g and measuring only 6.7mm thick. This makes it an ideal choice for readers on the go, easily fitting into pockets or small bags. The Bigme B7 Pro, while slightly larger and heavier, still maintains a manageable size for travel but does not match the slimness of the VIWOODS. For those prioritizing portability, the VIWOODS is the clear winner.

Connectivity Options

Both devices support 4G connectivity, allowing users to stay connected wherever they are. The Bigme B7 Pro Color goes a step further with its compatibility for global networks and the ability to use a Nano SIM card. This feature ensures that users can access the internet and download content seamlessly, even on the move. The VIWOODS also offers 4G connectivity but does not highlight the same global compatibility, making the Bigme a more versatile option for frequent travelers.

Battery Life

Battery life is crucial for e-readers, and both models perform well in this regard. The Bigme B7 Pro Color advertises a long-lasting battery capable of supporting weeks of reading, although specific numbers are not provided. The VIWOODS AiPaper Reader is also designed for longevity, but the lack of detailed specifications leaves it unclear how it compares directly. Users looking for an e-reader that can last through extended reading sessions might lean towards the Bigme, given its emphasis on battery performance.

Additional Features

The Bigme B7 Pro Color includes several advanced features such as a smart stylus for note-taking and an OCR text recognition function, enhancing its utility beyond just reading. This makes it suitable for students and professionals who may need to annotate or extract information from texts. The VIWOODS AiPaper Reader, in contrast, integrates AI-powered assistance to provide instant help and learning tools, making it a valuable resource for users looking to deepen their understanding of complex topics. Each device offers unique features tailored to different user needs.

Price Comparison

When it comes to pricing, the Bigme B7 Pro Color is priced at $427.49, making it one of the higher-end options in the e-reader market. Meanwhile, the VIWOODS AiPaper Reader is more budget-friendly at $279.99, which is approximately 35% less than the Bigme. This significant price difference may sway budget-conscious consumers towards the VIWOODS, especially considering its array of features and decent performance.

Which should you buy?

Choosing between the Bigme B7 Pro Color and the VIWOODS AiPaper Reader ultimately depends on your specific needs and preferences. If you're looking for a high-performance e-reader with advanced features, a vibrant display, and substantial storage, the Bigme is a solid investment despite its higher price. However, if portability, affordability, and AI assistance are more important to you, the VIWOODS offers compelling features at a significantly lower cost.