Phenom II X4 965 BE (140W) vs Core 2 Quad Q8400

Primary details

Comparing Core 2 Quad Q8400 and Phenom II X4 965 BE (140W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2281not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.29no data
Architecture codenameYorkfield (2007−2009)Deneb (2009−2011)
Release date19 April 2009 (15 years ago)13 August 2009 (15 years ago)

Detailed specifications

Core 2 Quad Q8400 and Phenom II X4 965 BE (140W) 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 speed2.66 GHz3.4 GHz
Boost clock speed0.67 GHz3.4 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache4 MB (shared)512 KB (per core)
L3 cache0 KB6 MB (shared)
Chip lithography45 nm45 nm
Die size2x 82 mm2258 mm2
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million758 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Phenom II X4 965 BE (140W) 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
SocketFCLGA775,LGA775AM3
Power consumption (TDP)95 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Phenom II X4 965 BE (140W). You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Phenom II X4 965 BE (140W) technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Phenom II X4 965 BE (140W) are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Phenom II X4 965 BE (140W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Phenom II X4 965 BE (140W).

PCIe version2.02.0

Pros & cons summary


Recency 19 April 2009 13 August 2009
Power consumption (TDP) 95 Watt 140 Watt

Core 2 Quad Q8400 has 47.4% lower power consumption.

Phenom II X4 965 BE (140W), on the other hand, has an age advantage of 3 months.

We couldn't decide between Core 2 Quad Q8400 and Phenom II X4 965 BE (140W). We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q8400 and Phenom II X4 965 BE (140W), 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 Quad Q8400
Core 2 Quad Q8400
AMD Phenom II X4 965 BE (140W)
Phenom II X4 965 BE (140W)

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.


4 1346 votes

Rate Core 2 Quad Q8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 103 votes

Rate Phenom II X4 965 BE (140W) on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Phenom II X4 965 BE (140W), agree or disagree with our judgements, or report an error or mismatch.