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bookmark siteIntel Core 2 Quad Extreme QX6xxx series processor (Kentsfield XE)
Identification
Model name:
Core 2 Quad Extreme QX6xxx series.
Code name:
Kentsfield XE.
Supplier:
Intel.
Component class:
CPU.
Generation
Generation: Core 2.
Compatibility
Quad-core technology: two Dual-Core dies in SMP (Symmetric Multi-Processing) configuration (Dual-Chip Module, DCM).
64 bit technology: EM64T.
Multimedia instruction sets: MMX, SSE, SSE2, SSE3, SSSE3.
Cache
L1 cache: (4x) 32 kbyte instruction cache, 32 kbyte data cache (Harvard architecture).
Two-by-two shared L2 cache: (2x) 4 Mbyte.
Architecture
266 MHz QDR bus.
Memory protection: XD bit.
Protected program execution environment: Trusted Execution Technology (TXT; LaGrande Technology, LT).
Virtualization Technology (VT, Vanderpool).
Multi-processing
Quad-core technology: two Dual-Core dies in SMP (Symmetric Multi-Processing) configuration (Dual-Chip Module, DCM).
Multiplier
Unlocked clock multiplier (x6 - x16).
Power management
Power management:
- Enhanced Intel SpeedStep Technology (EIST),
- Enhanced Halt State (C1E).
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Clock speed
| Clock speed | Model | Multiplier | Temperature | Introduction | Cancellation | Order part numbers |
|---|---|---|---|---|---|---|
| 266/2667 MHz | Intel Core 2 Quad Extreme QX6700 CPU | 10 (unlocked) | max. 65 °C | November 2006 |
OEM (stepping B3): HH80562PH0678M, PIB (stepping B3): BX80562QX6700 |
|
| 266/2933 MHz | Intel Core 2 Quad Extreme QX6800 CPU | 11 (unlocked) |
stepping B3: 5-54.8 °C, stepping G0: max. 64.5 °C |
April 2007 | May 2009 |
OEM (stepping B3, G0): HH80562PH0778M, OEM (stepping G0): HH80562XH0778M, PIB (stepping B3, G0): BX80562PH0778M, PIB (stepping G0): BX80562QX6800 |
| 333/3000 MHz | Intel Core 2 Quad Extreme QX6850 CPU | 9 (unlocked) | max. 64.5 °C | July 2007 | May 2009 |
OEM (stepping G0): HH80562XJ0808M, PIB (stepping G0): BX80562QX6850 |
Physics
Voltage: 1.100-1.372 V (0.85-1.50 V).
Power dissipation: 130 W TDP
Manufacturing process: 65 nm (P1264).
Number of transistors: (2x) 291 million.
Die size: (2x) 143 mm2.
Packaging: Socket T / LGA 775.
System management
Remote management: Intel Active Management (iAMT2).
CPUID32
| Type | Family | Model | Stepping | Description |
|---|---|---|---|---|
| 0x0 | 0x6 | 0xF | 0x7 | stepping B3 |
| 0x0 | 0x6 | 0xF | 0xB | stepping G0 |
Step level
Text:
Step levels:
- B3: Extended HALT power (C1E): 50 W, thermal specification: 54.8/65 °C,
- G0 (July 27, 2007): Extended HALT power (C1E): 37 W, thermal specification: 64.5 °C.
S-Spec / Stepping code
| Model | Code | Stepping | Description |
|---|---|---|---|
| Intel Core 2 Quad Extreme QX6700 CPU | SL9UL | B3 | PCG: 05B |
| Intel Core 2 Quad Extreme QX6800 CPU | SL9UK | B3 | |
| Intel Core 2 Quad Extreme QX6800 CPU | SLACP | G0 | PCG: 05B |
| Intel Core 2 Quad Extreme QX6850 CPU | SLAFN | G0 | PCG: 05B |
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