Core i7-965 Extreme Edition vs Core 2 Duo T5550

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3327not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 DuoIntel Core i7EE
Power efficiency0.45no data
DesignerIntelIntel
Architecture codenameMerom (2006−2008)Nehalem (2008−2010)
Release date1 January 2008 (18 years ago)17 November 2008 (17 years ago)

Detailed specifications

Core 2 Duo T5550 and Core i7-965 Extreme Edition 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)
Threads28
Base clock speed1.83 GHzno data
Boost clock speed1.83 GHz3.2 GHz
Bus typeno dataQPI
Bus rate667 MHz6.4 GT/s
Multiplierno data24
L2 cache2 MB1 MB
L3 cache2 MB L2 Cache8 MB
Chip lithography65 nm45 nm
Die size143 mm2263 mm2
Maximum core temperature100 °Cno data
Number of transistors291 Million731 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1.075V-1.25Vno data

Compatibility

Information on Core 2 Duo T5550 and Core i7-965 Extreme Edition 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 configurationno data1 (Uniprocessor)
SocketPPGA478no data
Power consumption (TDP)35 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T5550 and Core i7-965 Extreme Edition. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo T5550 and Core i7-965 Extreme Edition 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 Duo T5550 and Core i7-965 Extreme Edition are enumerated here.

VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T5550 and Core i7-965 Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory sizeno data24 GB

Pros & cons summary


Recency 1 January 2008 17 November 2008
Physical cores 2 4
Threads 2 8
Chip lithography 65 nm 45 nm
Power consumption (TDP) 35 Watt 130 Watt

Core 2 Duo T5550 has 271.4% lower power consumption.

i7-965 Extreme Edition, on the other hand, has an age advantage of 10 months, 100% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.

We couldn't decide between Intel Core 2 Duo T5550 and Intel Core i7-965 Extreme Edition. We've got no test results to judge.

Be aware that Core 2 Duo T5550 is a notebook processor while Core i7-965 Extreme Edition is a desktop one.

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Intel Core 2 Duo T5550
Core 2 Duo T5550
Intel Core i7-965 Extreme Edition
Core i7-965 Extreme Edition

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Community ratings

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3.4 62 votes

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