Originally Posted by tuneman07
Well as usual I wonder what real world differences are going to be here. Anyone have any guesses? Is a 3.0ghz 45nm chip going to save a ton of battery and be noticeably faster? I like to know before I get too excited and I am no computer processor guy lol
I myself am waiting for Nehalem
(chips after Penryn - new architecture replaces "Core"). Penryn looks like a farily good upgrade and all, but if you only upgrade every 3 years or so, and are planning on buying an expensive high-end machine, I think it'll definitely be worth the wait for Nehalem. These chips should be out in Q4 2008 for desktop, and Q1 2009 for laptop.
Here's a preliminary list of benefits of Nehalem over Penryn/Core 2. Of course some of these may change before release, but a lot more info has become available in the last few months:
node like Penryn
- Will use DDR3 RAM
- Uses new Intel QuickPath point-to-point connection
with on-chip memory controller,
replacing the old front side bus technology. Similar to AMD's HyperTransport.
- Processors will have 2 'virtual' threads per core
, similar to Hyperthreading from the Pentium 4 days.
- Multi-core chips will all be 'native' multi-core
, meaning all cores will be on the SAME die, not different dies packaged together.
- Laptops will now have mainstream versions of (native) quad-core processors
as well as desktops/servers.
- 2P server/workstation chips (Mac Pro) will now use standard DDR3
instead of high priced fully-buffered memory (FB-DIMMs)
- The high-end MP (4+ socket) server chips will be native eight-core "octo-core"
processors, capable of 16 threads.
- 10-25% increase
in single threaded performance compared to Penryn.
- 20%-100% increase
in multi-threaded performance compared to Penryn.
- 30% less power
usage than Penryn.
Also, some sources have reported at least some Nehalem chips will have a "turbo" mode which will allow the chip to raise it's clock speed (and go over its rated TDP). Anyone remember the
386/486 "turbo" mode button on old PCs ?? Oh, the nastalgia...