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A few years ago, Lenovo introduced an interesting concept of a dual-screen ultrabook. We’re talking about the Lenovo Yoga Book, which was first presented in 2016. This was the company’s first idea for such an unusual hybrid and was therefore limited in many ways. Mainly due to weak components – 4-core Intel Atom, 4GB RAM or 64GB eMMC drive with the ability to insert a microSD card. In addition, the screens were relatively small, and besides, the main matrix was surrounded by terribly wide frames. However, the company did not abandon this concept and gave rise to the Lenovo Yoga Book 9i model. Still not perfect, but better in every way than what we saw in 2016.
Author: Damian Marusiak
The Lenovo Yoga Book 9i also has two screens, but this time they are OLED panels with a diagonal of 13.3 inches and a resolution of 2880 x 1800 pixels each. The frames around the screens are significantly slimmer, which also affects the overall appearance of the device. Two matrices allow the hybrid to be used in different ways. It can be a classic laptop, a tablet, a laptop with a “hanging” second screen above the main screen, or even something that resembles an electronic book. The last two ways of using the Lenovo Yoga Book 9i are possible thanks to a special case that hides the physical keyboard by default (to connect to the laptop via Bluetooth). We can fold the case like in the photo below and then put the case inside I have to admit that the Lenovo Yoga Book 9i is a fascinating device and its tests were noticeably different than typical laptops. As for performance, inside we find an Intel Core i7-1355U processor, 16 GB of RAM LPDDR5 6400 MHz and 1 TB SSD PCIe 4.0 x4 NVMe. In this respect we have a big gap compared to the Yogi Book from 2016.
Lenovo Yoga Book 9i is a very distinctive hybrid ultrabook that uses, among other things: two OLED screens. The exceptional housing, in combination with the included cover, allows you to work in several, completely different operating modes.
The Lenovo Yoga Book 9i Hybrid uses Intel Raptor Lake-U processors, the third generation (after Intel Lakefield and Alder Lake) with a hybrid x86 architecture. 13th generation processors use two types of cores – Performance (Raptor Cove architecture), where the core has been slightly improved compared to Golden Cove, including: Cache memory. Performance cores are additionally supported by more energy-efficient Efficient cores – they offer IPC at the level of a 10th generation x86 core from Comet Lake and consume noticeably less energy compared to large performance cores. The tested model has a 10-core and 12-thread Intel Core i7-1355U processor with integrated Intel Iris Xe graphics at 96 EU. The base power factor of the processor in the Lenovo Yoga Book 9i model is 15W, while the maximum turbo power is 55W.
The laptop also comes with an integrated Intel Iris Xe Graphics (Intel Gen.12) graphics chip based on the Xe architecture. Intel Iris The tested Intel Core i7-1355U processor has the highest variant at 96 EU. This corresponds to a total of 768 stream processors. The integrated Iris Xe graphics system still uses RAM – the Lenovo Yoga Book 9i uses LPDDR5 6400 MHz chips with a capacity of 16 GB. The Intel Xe-LP architecture is also characterized by lower power consumption and the use of a technological process called Intel 7 (10 nm). Intel Iris. Among Intel’s iGPU systems, the Intel Iris I personally hope that the Lenovo Yoga Book concept will soon be expanded to include these systems.
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