Core i7-620M vs Core 2 Quad Q9550s

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Primary details

Comparing Core 2 Quad Q9550s and Core i7-620M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2313
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiencyno data3.38
Architecture codenameYorkfield (2007−2009)Arrandale (2010−2011)
Release date27 January 2009 (15 years ago)7 January 2010 (14 years ago)
Launch price (MSRP)no data$332

Detailed specifications

Core 2 Quad Q9550s and Core i7-620M 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)2 (Dual-core)
Threads44
Base clock speed2.83 GHz2.66 GHz
Boost clock speed0.83 GHz3.33 GHz
Bus typeno dataDMI 1.0
Bus rate1333 MHz1 × 2.5 GT/s
Multiplierno data15
L1 cache64 KB (per core)64K (per core)
L2 cache12 MB (shared)256K (per core)
L3 cache0 KB4 MB (shared)
Chip lithography45 nm32 nm
Die size2x 107 mm281+114 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)76 °Cno data
Number of transistors820 million384 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9550s and Core i7-620M 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 (Uniprocessor)
SocketLGA775BGA1288,PGA988
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9550s and Core i7-620M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI-+
FMA-+
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-+
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching-no data
PAEno data36 Bit
FDIno data+
Fast Memory Accessno data+
FSB parity+no data

Security technologies

Core 2 Quad Q9550s and Core i7-620M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9550s and Core i7-620M are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9550s and Core i7-620M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data8 GB
Max memory channelsno data2
Maximum memory bandwidthno data17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel HD Graphics for Previous Generation Intel Processors
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data766 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9550s and Core i7-620M integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9550s and Core i7-620M.

PCIe version2.02.0
PCI Express lanesno data16

Pros & cons summary


Recency 27 January 2009 7 January 2010
Physical cores 4 2
Chip lithography 45 nm 32 nm
Power consumption (TDP) 65 Watt 35 Watt

Core 2 Quad Q9550s has 100% more physical cores.

i7-620M, on the other hand, has an age advantage of 11 months, a 40.6% more advanced lithography process, and 85.7% lower power consumption.

We couldn't decide between Core 2 Quad Q9550s and Core i7-620M. We've got no test results to judge.

Note that Core 2 Quad Q9550s is a desktop processor while Core i7-620M is a notebook one.


Should you still have questions on choice between Core 2 Quad Q9550s and Core i7-620M, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550s
Core 2 Quad Q9550s
Intel Core i7-620M
Core i7-620M

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.7 20 votes

Rate Core 2 Quad Q9550s on a scale of 1 to 5:

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3.9 328 votes

Rate Core i7-620M on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Core 2 Quad Q9550s or Core i7-620M, agree or disagree with our judgements, or report an error or mismatch.