Dual Core Computers

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Dual Core Computers

Postby Jonathan » Thu Feb 10, 2005 9:29 pm

http://anandtech.com/cpuchipsets/showdo ... i=2329&p=3

The 945 and 955 chipsets from Intel are due to launch in a few months. With them come the first dual-core processors from Intel: the Pentium 4 840, 830, and 820. According to anandtech.com, Intel is charging $80 more than the equivalently clocked single-core processor. They will be 64-bit enabled, like the rest of Intel's processors starting in Q2.

AMD's dual-core Opterons will launch sometime this summer. Dual-core Athlon 64s are not expected until Q3.

You can buy the new 533MHz FSB Centrino laptops right now. AMD is launching their Centrino equivalent, dubbed Turion, next week. Dual-core Centrino laptops are not scheduled to be available until 2006.

http://www.pcworld.com/news/article/0,aid,119211,00.asp
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Postby Jonathan » Mon Apr 04, 2005 6:15 pm

http://www.extremetech.com/article2/0,1 ... 879,00.asp

Intel is letting select members of the press experiment with a prerelease version of the new Pentium 4 840 EE. It is clocked at 3.2 GHz. The fastest 800 MHz FSB Pentium 4 currently available is clocked at 3.6 GHz; the fastest Pentium 4 EE is clocked at 3.73 GHz.

On single-threaded workloads like games, the dual core 840 is slower than the 3.73 EE in proportion to the frequency discrepancy.

The 840 EE will have Hyperthreading turned on for a total of four concurrent threads (2 physical processors, 4 logical processors). Other Pentium D CPUs will have Hyperthreading turned off.
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Postby Jonathan » Thu Apr 21, 2005 9:27 pm

AMD has launched their multisocket dual-core Opteron line. The dual socket dual core Opteron line will be available in a month.

OEM Athlon 64 X2 (the new marketing name for desktop dual core from AMD) will be available in Q3. Retail Athlon 64 X2s will be available in Q4.

http://www.anandtech.com/cpuchipsets/sh ... i=2397&p=4

I have to revise my earlier statement. Intel's adder for dual-core apparently starts at $78 and goes to $312 for the top bin. AMD's adder for dual-core starts at $265 and goes to $358 for the top bin.

Anandtech previewed Athlon 64 X2 performance using the Opteron 875 launched today. They have interesting benchmarks using real-world multitasking scenarios, like surfing while backing up a DVD. These benchmarks show the benefit of having a second core to desktop users.

http://www.anandtech.com/cpuchipsets/sh ... =2397&p=21
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Postby quantus » Thu Apr 21, 2005 10:25 pm

Ok, you guys got down how to do 2, now go make me 4 or 8 on a die. (I'm not counting virtual CPU's created by HT). I need more processing power.
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Postby Jonathan » Mon Apr 25, 2005 9:25 pm

Current multicore implementations are limited by the process technology. Both 90nm dual-core general purpose processors from AMD and Intel are in the range of 200 square mm. Sony-IBM get around this limitation for Cell on 90nm by reducing the complexity and performance of each individual core so they can fit 8 processors on a single die of more than 210 square mm.

Each successive process generation can squeeze about twice as many transistors on the same size die.
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Postby quantus » Mon Apr 25, 2005 9:51 pm

ok, scale your process technologies faster then. If Intel needs help, I can think of a certain company I work for that could possibly help...
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Postby Jonathan » Tue May 31, 2005 8:42 pm

http://arstechnica.com/news.ars/post/20050531-4955.html

OEMs are receiving their first Athlon 64 X2s now. Retail dual-core Athlon CPUs are not expected for a while yet.

An interesting item to note is that there will be no more single-core Athlon 64s from AMD. They will continue selling the premium-priced Athlon 64 FX line for gamers. However, they are treating the Athlon 64 X2s as their new top bin; expect the dual-core CPUs to slide down the stack with time.
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