Phenom II X4 X940 BE vs i7-840QM

VS

Primary details

Comparing Core i7-840QM and Phenom II X4 X940 BE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2325not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i74x AMD Phenom II
Power efficiency2.59no data
Architecture codenameClarksfield (2009−2010)Champlain (2010−2011)
Release date22 June 2010 (14 years ago)1 January 2011 (13 years ago)
Launch price (MSRP)$568no data

Detailed specifications

Core i7-840QM and Phenom II X4 X940 BE 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)
Threads84
Base clock speed1.86 GHzno data
Boost clock speed3.2 GHz2.4 GHz
Bus typeDMI 1.0no data
Bus rate2.5 GT/s3600 MHz
Multiplier14no data
L1 cache256 KB256 KB
L2 cache1 MB2 MB
L3 cache8 MB (shared)no data
Chip lithography45 nm45 nm
Die size296 mm2no data
Maximum core temperature100 °Cno data
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-840QM and Phenom II X4 X940 BE 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 configuration1 (Uniprocessor)no data
SocketFCPGA988,PGA988S1
Power consumption (TDP)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Phenom II X4 X940 BE. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplier
VirusProtect-+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
PAE36 Bitno data

Security technologies

Core i7-840QM and Phenom II X4 X940 BE 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 i7-840QM and Phenom II X4 X940 BE are enumerated here.

VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Phenom II X4 X940 BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneno data

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Phenom II X4 X940 BE.

PCIe version2no data
PCI Express lanes16no data

Pros & cons summary


Recency 22 June 2010 1 January 2011
Threads 8 4

i7-840QM has 100% more threads.

Phenom II X4 X940 BE, on the other hand, has an age advantage of 6 months.

We couldn't decide between Core i7-840QM and Phenom II X4 X940 BE. We've got no test results to judge.


Should you still have questions on choice between Core i7-840QM and Phenom II X4 X940 BE, 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 i7-840QM
Core i7-840QM
AMD Phenom II X4 X940 BE
Phenom II X4 X940 BE

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.


4.2 81 vote

Rate Core i7-840QM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 6 votes

Rate Phenom II X4 X940 BE on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-840QM or Phenom II X4 X940 BE, agree or disagree with our judgements, or report an error or mismatch.