1 EXHIBIT 23.3 [PRICEWATERHOUSECOOPERS LETTERHEAD] CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-98402 and No. 333-13461) of S3 Incorporated of our report dated January 22, 1999 appearing in this Annual Report on Form 10-K for the years ended December 31, 1998 and 1997. /s/ PRICEWATERHOUSECOOPERS - --------------------------- PricewaterhouseCoopers Hsinchu, Taiwan R.O.C. February 24, 1999