Core 2 Extreme QX9775 vs Core i5-2450M

Primary details

Comparing Core i5-2450M and Core 2 Extreme QX9775 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2273not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency3.54no data
Architecture codenameSandy Bridge (2011−2013)Yorkfield (2007−2009)
Release date1 January 2012 (12 years ago)March 2008 (16 years ago)
Launch price (MSRP)$823no data

Detailed specifications

Core i5-2450M and Core 2 Extreme QX9775 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 cores2 (Dual-core)4 (Quad-Core)
Threads44
Base clock speed2.5 GHz3.2 GHz
Boost clock speed3.1 GHz3.2 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s1600 MHz
Multiplier25no data
L1 cache128 KB64K (per core)
L2 cache512 KB12 MB (shared)
L3 cache3 MB (shared)0 KB
Chip lithography32 nm45 nm
Die size149 mm22x 107 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data63 °C
Number of transistors624 million820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage rangeno data0.85V-1.35V

Compatibility

Information on Core i5-2450M and Core 2 Extreme QX9775 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)1
SocketFCBGA1023,PPGA988LGA771
Power consumption (TDP)35 Watt150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2450M and Core 2 Extreme QX9775. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
FMA+-
AVX+-
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching--
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Core i5-2450M and Core 2 Extreme QX9775 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2450M and Core 2 Extreme QX9775 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2450M and Core 2 Extreme QX9775. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR2
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-2450M and Core 2 Extreme QX9775 integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i5-2450M and Core 2 Extreme QX9775.

PCIe version2.0no data
PCI Express lanes16no data

Pros & cons summary


Physical cores 2 4
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 150 Watt

i5-2450M has a 40.6% more advanced lithography process, and 328.6% lower power consumption.

Core 2 Extreme QX9775, on the other hand, has 100% more physical cores.

We couldn't decide between Core i5-2450M and Core 2 Extreme QX9775. We've got no test results to judge.

Be aware that Core i5-2450M is a notebook processor while Core 2 Extreme QX9775 is a desktop one.


Should you still have questions on choice between Core i5-2450M and Core 2 Extreme QX9775, 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 i5-2450M
Core i5-2450M
Intel Core 2 Extreme QX9775
Core 2 Extreme QX9775

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.


3.2 1077 votes

Rate Core i5-2450M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 45 votes

Rate Core 2 Extreme QX9775 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-2450M or Core 2 Extreme QX9775, agree or disagree with our judgements, or report an error or mismatch.