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ASUS Transformer Book T90 Chi Specs & Price

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Launched at CES 2015, the Transformer Book T90 Chi is the smallest in the series of affordable hybrids from ASUS, also featuring the Transformer Book T300 Chi and T100 Chi 2-in-1 laptops. ASUS Transformer Book T90 Chi offers not only the benefits of a tablet, but also those of a small-sized notebook.

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ASUS Transformer Book T90 Chi

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Design and Screen

The ASUS Transformer Book T90 Chi shows off an attractive combination of plastic and metal in its design. The tablet itself features metal, but the well-built keyboard dock is made of plastic.

The device is quite compact at just 7.9mm thin and a weight of around 750 grams. It weighs in at only 400 grams without the keyboard dock. The ASUS Transformer Book T90 Chi is fitted with an 8.9-inch, touch display having a resolution of 1280 x 800 pixels.

Given the tiny size of the tablet, its keyboard is so small that it has no trackpad.

Processor and Memory

Under the hood, the ASUS Transformer Book T90 Chi is furnished with a quad-core Intel Bay Trail-T processor running at speeds between 1.46 GHz and 2.39 GHz. The 64-bit chip is paired with RAM of 2 GB and an integrated Intel HD Graphics processor.

For storage, eMMC chip of either 32GB or 64GB capacity comes with the tablet. You can add extra storage space to the device via the provided microSD card slot.

Other Specs

The ASUS Transformer Book T90 Chi impressed with its 5-megapixel main camera with autofocus and 2-megapixel front-facing shooter – quite impressive for a tablet in its class. The slate runs on the touch-friendly Windows 8.1 operating system.

ASUS Transformer Book T90 Chi features Bluetooth 4.0, Wi-Fi a/b/g/n, a microphone and integrated stereo speakers. The Transformer Book T90 Chi is supplied with 18Whr battery, which should be able to last about a full working day. It also comes with a microUSB port and a COMBO audio jack.

Pricing and availability

Asus Transformer Book T90 Chi convertible notebooks are not yet available in Nigeria. Asus Transformer Book T90 Chi price in Nigeria is expected to start at around N60,000, depending on your location and the configuration of the laptop.

Asus Transformer Book T90 Chi Specs

Here are a few specs of the Asus Transformer Book T90 Chi 2-in-1 Convertible Notebook:

General Features

  • OS: Windows 8.1
  • Processor: Intel Bay Trail Quad-core Processor
  • GPU: Intel HD Graphics
  • Memory: 2GB RAM
  • Colours:
  • Dimension: 241 x 137 x 7.9 cm (Tablet)
  • Weight: 750 g, 400 g (Tablet)

Display & Keyboard

  • Display: 8.9-inch Touchscreen Display, 1280 x 800 pixels
  • Keyboard: Yes
  • Pointing Device: No


  • Built-in Storage: 32GB or 64GB SDD
  • Optical Storage: No
  • Bundled Cloud Storage:

Ports & Connectivity

  • Webcam: Yes, HD Webcam (2MP Front and 5MP Rear Cameras)
  • USB Port: Yes, 1 port (MicroUSB)
  • HDMI: No
  • DisplayPort: No
  • VGA: No
  • Ethernet (RJ-45): No
  • SD Slot: Yes, 1 slot
  • Mic/Headphone: Yes
  • WLAN: Yes, Wi-Fi 802.11 a/b/g/n
  • Bluetooth: Yes, Bluetooth 4.0
  • Mobile Broadband: No

Other Features

  • Metallic cover with diamond cut edges
  • Fanless Design


  • Battery: 18 WHr Battery
  • Use Time: up to 10 hours

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Paschal Okafor is NaijaTechGuide Team Lead. The article ASUS Transformer Book T90 Chi Specs & Price was written by Paschal Okafor. The article was last modified: October 20th, 2019

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