Intel Core i7-975 Extreme Edition Quad Core Processor |
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The Intel Core i7 is a new line of desktop processors based on the new Nehalem microarchitecture, which evolved from the Core microarchitecture which powered the highly successful Intel Core 2 line of microprocessors. Like its predecessors, the new Core i7 processors is manufactured using Intel's 45 nm fabrication process with high-k (hafnium) dielectric and metal gate technology. However, that is where the similarity ends. Unlike the Core 2 processors, the new Core i7 processors have a monolithic design. That means the entire quad-core processor is fabricated on a single die. The quad-core version of the Core 2 processor, on the other hand, combines two dual-core dies in a multi-chip package (MCP). The Core i7 processor also introduces a slew of new technologies :
Today, we will be taking a close look at the new Intel Core i7-975 Extreme Edition processor, which debuted on June 3, 2009. As Extreme Edition moniker hints, this processor comes with unlocked multipliers as well as a correspondingly hefty price tag. But how fast is it really? After all, this is a high-end enthusiast-grade processor with a very, very hefty price tag. It had better be a couple of Mach numbers faster than the Core 2 processors! Well, this is what we will be looking into this review. Not only will we examine its performance in games, we will also take a look at its performance in 3D rendering and video encoding. For the full details, read our Comprehensive Review! |
Lowest PriceGrabber Price |
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Review |
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Code Name |
Bloomfield XE |
sSpec Number |
SLBEQ |
Core Stepping |
D0 |
CPUID String |
106A5 |
Socket |
LGA1366 |
Transistor Count |
731 Million |
Fabrication Process |
45 nanometer high-k |
Die Size |
263 mm3 |
Processing Cores |
4 Cores |
# Of Threads |
8 Threads |
Clock Speed |
3.33 GHz |
Internal Base Clock |
133 MHz |
CPU Multiplier |
25x |
QPI Speed |
6.4 Gigatransfers per second |
L1 Cache |
32 KB x 4 |
L2 Cache |
256 KB x 4 |
L3 Cache |
8 MB shared |
VID Voltage Range |
0.80 V minimum |
Maximum Current |
145 A |
Thermal Design Power |
130 W |
Maximum Operating Temperature |
67.9 °C |
Memory Support |
DDR3-1333 (Unofficial) |
Memory Voltage Range |
1.425 V minimum |
Supported Features |
Enhanced Intel Speedstep Technology |
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