Intel · Core 2 Extreme · 2007 · LGA775
The Intel Core 2 Extreme QX6850 is a desktop processor with 4 cores, released in 2007 at an MSRP of $999. It is part of the Core 2 Extreme lineup, using the Core 2 platform, and fits the LGA775 socket. Internally, it is built on the "Kentsfield" architecture. It operates at a fixed 3 GHz. Intel manufactures the "Kentsfield" silicon on a 65nm process node. The multiplier is unlocked, making overclocking straightforward. This processor supports DDR2 memory. With a TDP of 130W, the Core 2 Extreme QX6850 sits in a typical power envelope for a modern desktop CPU. This processor has no integrated graphics — a discrete GPU is required. The cache hierarchy consists of 32KB/core of L1 and 4MB of L2 cache. There is no L3 cache on this processor.
Top Kentsfield Extreme at 3.0 GHz, 130W. Last 65nm quad-core Extreme Edition before Yorkfield 45nm launch.
| Brand | Intel |
|---|---|
| Family | Core 2 Extreme |
| Series | Core 2 |
| Architecture | Kentsfield |
| Type | Desktop |
| Launch year | 2007 |
| Cores | 4 |
| Threads | 4 |
| Base clock | 3 GHz |
| Boost clock | 3 GHz |
| L1 cache | 32KB/core |
| L2 cache | 4MB |
| TDP | 130W |
| Socket | LGA775 |
| Process | 65nm |
| Memory type | DDR2 |
| Integrated graphics | None |
| Chipsets | P35, X38, P965, G33, G31 |
| Launch MSRP | $999 |
| Part number | HH80557PH0778M |
| OEM / tray part number | HH80557PH0778M |