I've remade the video by adding a TI-84 Plus SE :

1st : Casio Graph 90+E (french fx-CG50), SH4 @118MHz, 8MiB SDRAM
2nd : TI-Nspire CX, ARM @132MHz, 64MiB SDRAM
3rd : TI-Nspire, ARM @120MHz, 32MiB SDRAM
4th : Casio fx-CG20, SH4 @59Mhz, 2MiB SDRAM
5th : TI-84 Plus SE, z80 @15MHz, 48KiB RAM