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Old June 16, 2008, 10:21 AM
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Wink REVIEW: T8300 Engineering Sample CPU Core 2 Duo Laptop Processor!

I am testing the following two laptop processors:

Core 2 Duo T5270 Dual-Core 1.4GHz 800FSB 4MB Cache 65nm
Core 2 Duo T8300 ES (Engineering Sample) Dual-Core 2.56GHz 800FSB 6MB Cache 45nm

The standard T8300 CPU is locked at 2.4GHz with a 3MB cache. My ES T8300 runs at 2.56GHz instead of 2.4GHz. Also it has 6MB of cache instead of 3MB. Basically, my ES T8300 seems to be a T9300 chip underneath (2.5GHz, 6MB cache).

The test bed is my trusty Dell Vostro 1400 notebook. The specs:

CPU 1: Core 2 Duo T5270 Dual-Core 1.4GHz 800FSB 4MB Cache 65nm
CPU 2: Core 2 Duo T8300 ES (Engineer Sample) Dual-Core 2.4GHz 800FSB 6MB Cache 45nm
Motherboard: Dell-branded, Intel P965-based with A07 BIOS
Memory: 2 x 1GB Samsung DDR2-667 1.8V 5-5-5-15
Hard Drive: 120GB Seagate Momentus 7200.2 ST9120823AS SATA 8MB Cache
Video: 128MB GeForce 8400M GS Discrete PCI-E Video Card 400/600
Display: 14.1" WXGA 1280 x 800
OS: Windows XP Pro SP3

I have compiled results from Lavalys 4.50.1330, 3DMark05 and 3DMark06. The Futuremark products have been patched to the latest versions, and all the SysInfo updates were applied. CPU temperature was measured with SpeedFan 4.34. For the T5270 the temps were confirmed in Everest. For the T8300 ES, only SpeedFan could report proper temperatures. CoreTemp was stuck at 127 degrees no matter what, and Everest is stuck at 25 degrees no matter what.


Higher numbers are better. With the T8300 ES, memory read performance increased by 5%, write by 18% and copy by 14%.


Lower numbers are better. With the T8300 ES, memory latency decreased (improved) by 9%.


Higher number are better. With the T8300 ES, the AES score increased by 77%, Zlib by 73%, PhotoWorxx by 100% and Queen by 76%.


Higher numbers are better. With the T8300 ES, the SinJulia score increased by 87%, Mandel by 80% and Julia by 75%.


Higher numbers are better. With the T8300 ES, the overall 3DMark 06 score increased by 14%, SM 2.0 by 23%, SM 3.0 by 1% and CPU by 81%.


Higher numbers are better. With the T8300 ES, the overall 3DMark 05 score increased by 3% and CPU by 93%.


Lower numbers are better. With the T8300 ES, the idle temperature decreased by 11 degrees or 23%. The load temperature decreased by 11 degrees or 15%. This is impressive since the T8300 ES runs over 1GHz faster. That's the beauty of 45nm I guess!
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Old June 21, 2008, 10:31 PM
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Nice work Rooster ;)

I will be picking your brains on laptop ideas for a friend that I will be building for him. You are the first on my list for advice
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Old June 21, 2008, 11:03 PM
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Power consumption?
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Old June 30, 2008, 10:48 AM
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How do u measure consumption?
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