Core 2 Extreme QX6800 vs Core 2 Extreme QX6850

Primary details

Comparing Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2173not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Extreme (Desktop)no data
Power efficiency1.05no data
Architecture codenameKentsfield (2007)Kentsfield (2007)
Release dateno data (2024 years ago)April 2007 (17 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads44
Base clock speedno data2.93 GHz
Boost clock speed3 GHz2.93 GHz
Bus rate1333 MHz1066 MHz
L1 cacheno data64K (per core)
L2 cacheno data8 MB (shared)
L3 cacheno data0 KB
Chip lithography65 nm65 nm
Die sizeno data2x 143 mm2
Maximum core temperatureno data65 °C
Number of transistorsno data582 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data1
Socketno dataLGA775
Power consumption (TDP)130 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX6800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


We couldn't decide between Core 2 Extreme QX6850 and Core 2 Extreme QX6800. We've got no test results to judge.


Should you still have questions on choice between Core 2 Extreme QX6850 and Core 2 Extreme QX6800, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Extreme QX6850
Core 2 Extreme QX6850
Intel Core 2 Extreme QX6800
Core 2 Extreme QX6800

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.4 52 votes

Rate Core 2 Extreme QX6850 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 10 votes

Rate Core 2 Extreme QX6800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Extreme QX6850 or Core 2 Extreme QX6800, agree or disagree with our judgements, or report an error or mismatch.