Atom N2650 vs Core 2 Quad Q8400

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Primary details

Comparing Core 2 Quad Q8400 and Atom N2650 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 processorLaptop
Seriesno dataIntel Atom
Power efficiency1.29no data
Architecture codenameYorkfield (2007−2009)Cedarview-M (2011−2012)
Release date19 April 2009 (15 years ago)5 January 2012 (12 years ago)

Detailed specifications

Core 2 Quad Q8400 and Atom N2650 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 speed2.66 GHzno data
Boost clock speed0.67 GHz1.73 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)no data
L2 cache4 MB (shared)1 MB
L3 cache0 KBno data
Chip lithography45 nm32 nm
Die size2x 82 mm2no data
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Atom N2650 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 configuration1no data
SocketFCLGA775,LGA775no data
Power consumption (TDP)95 Watt3,6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Atom N2650. 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 Atom N2650 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 Atom N2650 are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Atom N2650. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel Graphics Media Accelerator (GMA) 3600 (400 MHz)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Atom N2650.

PCIe version2.0no data

Pros & cons summary


Recency 19 April 2009 5 January 2012
Physical cores 4 2
Chip lithography 45 nm 32 nm
Power consumption (TDP) 95 Watt 3 Watt

Core 2 Quad Q8400 has 100% more physical cores.

Atom N2650, on the other hand, has an age advantage of 2 years, a 40.6% more advanced lithography process, and 3066.7% lower power consumption.

We couldn't decide between Core 2 Quad Q8400 and Atom N2650. We've got no test results to judge.

Note that Core 2 Quad Q8400 is a desktop processor while Atom N2650 is a notebook one.


Should you still have questions on choice between Core 2 Quad Q8400 and Atom N2650, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
Intel Atom N2650
Atom N2650

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Community ratings

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


4 1346 votes

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1.9 8 votes

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Questions & comments

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