EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS The Board of Directors Benchmark Electronics, Inc.: We consent to incorporation by reference in the registration statements on Form S-8 (No.33-61660, No. 333-26805, No.333-28997, No.333-66889 and No. 333-76207) of Benchmark Electronics, Inc. of our report dated February 8, 2000, related to the consolidated financial statement schedule of the Company filed herein, which report is included herein. KPMG LLP Houston, Texas July 13, 2000