Intel has already confirmed :
Details of Sandy Bridge were leaked to the media in July 2009. The specifications are reported to be as follows:
* 2.8 GHz to 3.4 GHz clock speed with Turbo Boost Technology disabled.
* 3.0 GHz to 3.8 GHz clock speed with Turbo Boost Technology enabled.
* Processing cores will feature Hyper-Threading Technology that is also present in Intel Nehalem-based processors, as well as Intel Pentium 4 processors.
* 4 cores by default, but processors with 6 and 8 cores will probably be available in Q2 2011.
* Approximate 225 mm² die size by default.
* Without SSE: 8 DP GFLOPS/core (2 DP FP/clock), 32 DP GFLOPS per processor.
* With AVX: 32 DP GFLOPS/core (8 DP FP/clock), 128 DP GFLOPS/processor.
* 64KB L1 cache/core(32 KB L1 Data + 32 KB L1 Instruction) (3 clocks).
* 256KB L2 cache/core, (8 clocks).
* 8 MB shared L3 cache (25 clocks). This L3 cache will also be shared with the integrated graphic core.
* 64 bytes cache line width.
* Integrated graphics core running at 1 GHz to 1.4 GHz.
* Integrated Memory Controller with maximum 25.6 GB/s bandwidth, supports DDR3-1600 dual channel RAM.
* 256 bit/cycle Ring bus bandwidth. The ring bus connects the cores.
* Maximum Thermal Design Power (TDP) of 85W by default.
* Release date is expected in Q4 2010.
According to some PC Watch articles:
* Sandy Bridge will be an evolutionary step from Core i5/i7.
* Sandy Bridge will focus on power efficiency.
* Performance will be increased without a core size increase (similar to the Netburst to Core transition).
* The CPU core is scalable.
* Dynamic Turbo allows the CPU power to exceed the TDP value when the rest of the platform is relatively cool. The frequency gain can be up to 37% for one minute, and over 20% in most cases.
* Sandy Bridge is released for the mobile segments, which would split the markets into two CPU lines.
* Sandy Bridge's CPU and GPU are likely to be on one die (unlike the two-die approach of Nehalem).
* Because of the high-performing CPU and off-chip components, it may be necessary to improve bus interconnects. The internal bus is to be improved.
* The Sandy Bridge microarchitecture is also said to focus on the connections of the processor core.
* If the transition to 22 nm is difficult, then Sandy Bridge may go over three generations (Sandy Bridge, Ivy Bridge, and another Bridge) as opposed to two with Core 2 and Nehalem.
The mobile Sandy Bridge version is expected to be released at the same time as the microarchitecture. The platform chipset's northbridge is referred to as the 'Sandy Bridge System Agent' rather than 'MCH'.[10] These CPUs will be on the Huron River mobile platform also to be released in Q1 2011. This platform is expected to provide wireless 1080p playback, up from the current 720p.
The top-of-the-line dual-core mobile Sandy Bridge is expected to be 20% faster than the top-of-the-line Arrandale.
Intel has said that Sandy Bridge will have new instructions called Advanced Vector Extensions (AVX).[11] These instructions are an advanced form of SSE. The data path is widened from 128 bits to 256 bits, the two-operand instruction limit is increased to three operands, and advanced data rearrangement functions are included. AVX is suited for floating-point-intensive applications. Features of AVX include mask loads, data permutes, increased register efficiency and use of parallel loads, as well as smaller code size. The improvements of AVX will allow it to deliver up to double the peak FLOPS compared to before. Sandy Bridge will also have a new extensible VEX opcode prefix.
Sandy Bridge using the Cougar Point chipset will be able to support 4 displays, two using the CPU integrated graphics and two off the chipset USB (2.0). The integrated graphics will also support DisplayPort for up to 2560x1600 resolution as well as HDMI 1.3.
The package size of mobile Sandy Bridge is 22% smaller than that of mobile Westmere.
Overclocking is limited to only 2-3% over the factory clock speed due to Intel locking the speed of every bus to the base clock.
IDK but 3.8Ghz max OC w/ Turbo is not impressive unless Intel surprises us with some bang for buck options which are highly unlikely. As for the "unlocked" CPU's, well if the 980x is 999.99$, just imagine how much one of those CPU's will cost.