Share comparison:
start over

A redesign of the TI-99/4, the TI-99/4A has an improved keyboard and graphics, and it includes small caps for use as lowercase characters. The desktop can output up to 32 characters across 24 lines of text, and a number of peripherals allow for an expansion of the machine.


  • Status: Discontinued
  • Availability date: June 1981
  • Price at launch: $525.00


  • Color: Gray, Beige


  • CPU brand: Texas Instruments
  • Base CPU model: TMS9900
  • Cores: 1
  • Clockspeed: 3 MHz

Processor (base)

  • Graphics type: Discrete
  • Base discrete GPU brand: Texas Instruments
  • Base discrete GPU model: TMS9918

GPU (base)

  • Base RAM size: 16 KB


Log In Sign Up

Log In Sign Up

Forgot password?

We'll email you a reset link.

If you signed up using a 3rd party account like Facebook or Twitter, please login with it instead.

Forgot password?

Try another email?

Almost done,

By becoming a registered user, you are also agreeing to our Terms and confirming that you have read our Privacy Policy.



Choose an available username to complete sign up.

In order to provide our users with a better overall experience, we ask for more information from Facebook when using it to login so that we can learn more about our audience and provide you with the best possible experience. We do not store specific user data and the sharing of it is not required to login with Facebook.