Article View: comp.sys.intel
Article #1381Re: 486SL dropped, vendors test Cyrix
From: Richard Krehbiel
Date: Wed, 06 Jan 1993 12:43
Date: Wed, 06 Jan 1993 12:43
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In article <C0E0zB.DwG@inews.Intel.COM> rskinner@mipos2.intel.com (Rod Skinner) writes: > Another interesting article comparing the Intel486 SX processor and the > Cyrix SLC is in InfoWorld December 21 page 48 "Reviews/Product > Comparisons: 25-MHz 486 Notebooks". InfoWorld seems to come to the > conclusion that the Intel486 SX processors are 35% to 40% FASTER than > the Cyrix parts. They use several examples but the most powerful is two > machines from TI: TravelMate 4000 WinSX/25 and the TravelMate WinSLC. > Both weigh 6 pounds with battery. Similarly configured machines yield > SYSmark92 results of 75.93 (Intel486 SX) and 47.23 (Cyrix). They > indicate that Cyrix system "posted a SYSmark92 close to 38 percent > slower than its 486SX/25 sibling." The Cyrix 486SLC has a 386SX pinout, which means it has a 16 bit data bus. The 486SX has a 32 bit data bus. Considering the smaller cache in the Cyrix, I would expect it to be much slower than the 486SX. The Cyrix 486DLC will be closer, but still slower than a 486SX, mostly because of the smaller cache, but also because the 486SX bus can be faster than the 386 bus of the 486DLC chip. -- Richard Krehbiel richk@grebyn.com OS/2 2.0 will do for me until AmigaDOS for the 386 comes along...
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Newsgroups: comp.sys.intel Path: arc1-ca.pugleaf.net!sparky!uunet!grebyn!daily!richk From: richk@grebyn.com (Richard Krehbiel) Subject: Re: 486SL dropped, vendors test Cyrix In-Reply-To: rskinner@mipos2.intel.com's message of 5 Jan 93 15:42:44 GMT Message-ID: <1993Jan6.124308.21857@grebyn.com> Lines: 19 Sender: richk@grebyn.com (Richard Krehbiel) Organization: Grebyn Timesharing References: <1993Jan4.155415.2710@crd.ge.com> <C0E0zB.DwG@inews.Intel.COM> Date: Wed, 6 Jan 1993 12:43:08 GMT