Core 2 Extreme QX9770 vs Phenom II X4 975 BE

VS

Primary details

Comparing Phenom II X4 975 BE and Core 2 Extreme QX9770 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1658
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiencyno data2.02
Architecture codenameDeneb (2009−2011)Yorkfield (2007−2009)
Release date4 January 2011 (13 years ago)March 2008 (16 years ago)

Detailed specifications

Phenom II X4 975 BE 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 speed3.6 GHz3.2 GHz
Boost clock speed3.6 GHz3.2 GHz
Bus rateno data1600 MHz
L1 cache128 KB (per core)64K (per core)
L2 cache512 KB (per core)12 MB (shared)
L3 cache6 MB (shared)0 KB
Chip lithography45 nm45 nm
Die size258 mm22x 107 mm2
Maximum case temperature (TCase)no data55 °C
Number of transistors758 million820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Phenom II X4 975 BE 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
SocketAM3LGA775
Power consumption (TDP)125 Watt136 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 975 BE and Core 2 Extreme QX9770. 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

Phenom II X4 975 BE 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 Phenom II X4 975 BE and Core 2 Extreme QX9770 are enumerated here.

AMD-V+-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 975 BE and Core 2 Extreme QX9770. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 975 BE and Core 2 Extreme QX9770.

PCIe version2.0no data

Pros & cons summary


Power consumption (TDP) 125 Watt 136 Watt

Phenom II X4 975 BE has 8.8% lower power consumption.

We couldn't decide between Phenom II X4 975 BE and Core 2 Extreme QX9770. We've got no test results to judge.


Should you still have questions on choice between Phenom II X4 975 BE 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.


AMD Phenom II X4 975 BE
Phenom II X4 975 BE
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.


3.9 54 votes

Rate Phenom II X4 975 BE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 241 vote

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 Phenom II X4 975 BE or Core 2 Extreme QX9770, agree or disagree with our judgements, or report an error or mismatch.