ECMBen said:
Well I think I've misunderstood you...
CPUZ says the Celeron B820 is a Sandybridge. Wiki says the same. Therefore B820 is a sandy bridge working in a HM76 motherboard, which according to Intel supports both Sandy and Ivy (32nm and 22nm)
I've swapped the B820 with a 3110m and now CPUZ says I have an Ivy CPU in an IVY mobo.
Also, the correct comparison for a 2ng gen i7QM vs a 3rd gen i3M is (which makes the difference look less):
http://cpuboss.com/cpus/Intel-Core-i7-2860QM-vs-Intel-C...
Either way, I'm happy and for the original poster, upgrading a CPU is not easy but it's possible. Job done
Just don't forget to check _before_ you do the upgrade for heat transfer paste! I'm glad I still had some!!
Also, there are fat and thin screws which look the same... Be careful to remember where everything goes.
Finally, 4th gen will be launched soon, so perhaps I should have waited before looking for a cheap 3rd gen. Oh well
The CPU is the only part which uses those code names. The system as a whole becomes an Ivy Bridge now because you are actually changing several things that used to be part of the motherboard before the SB platform came out such as the PCIe controller, the internal video card and the USB controller. Even the "northbridge" which was once part of the motherboard is now part of the CPU. The NB controls the RAM as well as the expansion slots and is an interface between those components and the CPU. Since all of those components are now part of the CPU, to CPUz it looks like you have a new motherboard, but in reality it is the same one. CPUs are becoming more of a "SOC" or "system on a chip" as the die shrink keeps getting smaller and they are able to fit more components on a single die. The Apple iPad and other tablets actually are SOC. On the iPad, the GPU and even the RAM and the SSD is part of the single chip. The rest of the tiny board is just a wifi and audio controller. What once use to take up about a half a foot of real estate and several separate integrated circuits now can all be fit on a single chip such as the IB or SB. This is why when you swapped CPUs, you basically swapped out half your motherboard as well.
As for Haswell, it is a good thing you did not wait. The Haswell is not going to be compatible with SB and IB boards. They are releasing a brand new chip set and socket and are incorporating even more parts that were once part of the motherboard into the chip. But, if you meant the IB CPU might be cheaper when Haswell comes out, it might be a little. Even the 1st gen Core CPUs are not that much less than when they first came out and the SB 2700k is almost the same exact price ($300) as it was when released. You probably would have had to wait another 4 or 5 years before an IB CPU got to the point where it is 50% or less than what it is now.