| Current models: | TI-89 Titanium | TI-84 Plus Silver Edition | TI-84 Plus | Voyage 200 PLT | TI-83 Plus Silver Edition | TI-83 Plus | TI-89 | TI-73 | TI-92 Plus | TI-86 | TI-83 | TI-82 |
| Quick summary | See Wiki / ticalc.org | See TI-84 Plus | Designed for high school students. Essentially a TI-83 Plus with a few more features including the clock and USB port. Math capabilities are the same as those of the TI-83 Plus. | See Wiki / ticalc.org | See with TI-83 Plus; has more available RAM and a faster processor | many enhanced features in addition to those of the TI-82 and 83 | See Wiki / ticalc.org | middle school students, basic algebra classes | See Wiki / ticalc.org | Essentially a TI-85 with increased memory + added features; has many features lacking from the TI-83 Plus series | older model, replaced by the TI-83 Plus series. For the cost-conscious. | older model, replaced by the TI-83 Plus series. For the cost-conscious. |
| CPU? | 12 MHz MC68000 (albeit the latest hardware version, HW4, is believed to run on 16 MHz see the Hardware versions section in the Wiki) | 15 MHz ZiLOG Z80 | See with TI-84+ SE | 12 MHz MC68000 | 15 MHz ZiLOG Z80 | 8 MHz ZiLOG Z80 (running at 6 MHz) | 10 or 12 MHz (depending on the hardware revision) MC68000 | 6 MHz ZiLOG Z80 | 10 MHz MC68000 | 6 MHz ZiLOG Z80 | 6 MHz ZiLOG Z80 | 6 MHz ZiLOG Z80 |
| Screen Size | 160x100 | 96x64 | See with TI-84+ SE | 240x128 | 96x64 | See with SE | 160x100 | 96x64 | 240x128 | 128x64 | 96x64 | 96x64 |
| Memory | 188K RAM, 2.7 MB Flash ROM | 128K RAM (24K available to user), 1.5 MB Flash ROM | See with TI-84+ SE; 480K Flash ROM only | 188K RAM, 2.7 MB Flash ROM | 128K RAM (24K available to user), 1.5 MB Flash ROM | 24K RAM, 160K Flash ROM | 188K RAM, 639K Flash ROM | 25K RAM, 64K Flash ROM | 188K RAM, 384K Flash ROM | 96K RAM | 27K RAM | 28K RAM |
| Computer Algebra System (CAS)? | +; has a slightly updated CAS compared to the older devices in the same family, which adds a few more mathematical functions, most notably implicit differentiation | - | - | + | - | - | + | - | + | - | - | - |
| ROM availability? | + | + | + | + | + | +, note that its incompatible with the WM emulator. Unfortnately, theoldcomputer.com only has the basic TI-83 ROM. That is, you may end up having to transfer the ROM from your physical device. | + | - | + | - | - (no flash upgradability) | - (no flash upgradability) |
| When ROM not available, where to get it from? | n/a | n/a | n/a | n/a | n/a | See as above | n/a | - | n/a | TheOldComputer.coms ROM download page | TheOldComputer.coms ROM download page | TheOldComputer.coms ROM download page |
| Emulation under: MS-DOS? | - | - | - | - | - | - | - | - | - | - | - | - |
| Desktop Windows? | - | - | - | - | - | - | - | - | - | - | - | - |
| Windows Mobile? | - | - | - | - | - | - | - | - | - | - | - | - |
| Virtual TI v3.0 Alpha | - | - | - | - | + | + | - | + | - | - | - | - |
| Virtual TI (incl. Windows Mobile!) | - | - | - | - | - | + | + | - | + | + | + | + |
| Emulator86 | - | - | - | - | - | - | - | - | - | + | - | - |
| TI-86 Emulator (DOS!) | - | - | - | - | - | - | - | - | - | + | - | - |
| TI-8x Emulator (DOS!) | - | - | - | - | - | - | - | - | - | + | + | + |
| TI86EMU | - | - | - | - | - | - | - | - | - | + | - | - |
| Virtual 86 (original link not existing any more) | - | - | - | - | - | - | - | - | - | + | - | - |