Core 2 Extreme QX9770 vs Core 2 Extreme QX6850

Aggregate performance score

Core 2 Extreme QX6850
2007
4 cores / 4 threads, 130 Watt
1.44
Core 2 Extreme QX9770
2008
4 cores / 4 threads, 136 Watt
2.90
+101%

Core 2 Extreme QX9770 outperforms Core 2 Extreme QX6850 by a whopping 101% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX9770 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21891667
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Extreme (Desktop)no data
Power efficiency1.052.02
Architecture codenameKentsfield (2007)Yorkfield (2007−2009)
Release dateno dataMarch 2008 (16 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX9770 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 data3.2 GHz
Boost clock speed3 GHz3.2 GHz
Bus rate1333 MHz1600 MHz
L1 cache64K (per core)64K (per core)
L2 cache8 MB (shared)12 MB (shared)
L3 cache0 KB0 KB
Chip lithography65 nm45 nm
Die size2x 143 mm22x 107 mm2
Maximum case temperature (TCase)64 °C55 °C
Number of transistors582 million820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX9770 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 configuration11
Socket775LGA775
Power consumption (TDP)130 Watt136 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Extreme QX9770. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
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 QX9770 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 QX9770 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 QX9770. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Extreme QX6850 1.44
Core 2 Extreme QX9770 2.90
+101%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Extreme QX6850 2292
Core 2 Extreme QX9770 4611
+101%

Gaming performance

Pros & cons summary


Performance score 1.44 2.90
Chip lithography 65 nm 45 nm
Power consumption (TDP) 130 Watt 136 Watt

Core 2 Extreme QX6850 has 4.6% lower power consumption.

Core 2 Extreme QX9770, on the other hand, has a 101.4% higher aggregate performance score, and a 44.4% more advanced lithography process.

The Core 2 Extreme QX9770 is our recommended choice as it beats the Core 2 Extreme QX6850 in performance tests.


Should you still have questions on choice between Core 2 Extreme QX6850 and Core 2 Extreme QX9770, 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 QX9770
Core 2 Extreme QX9770

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
3.7 247 votes

Rate Core 2 Extreme QX9770 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 QX9770, agree or disagree with our judgements, or report an error or mismatch.