Atom Z670 vs Core 2 Quad Q9400s

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Primary details

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

Place in the rankingnot rated3709
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Atom
Power efficiencyno data1.27
DesignerIntelIntel
ManufacturerIntelIntel
Architecture codenameYorkfield (2007−2009)Lincroft (2010−2011)
Release date18 January 2009 (17 years ago)11 April 2011 (15 years ago)
Launch price (MSRP)no data$75

Detailed specifications

Basic parameters of Core 2 Quad Q9400s and Atom Z670: 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)1 (Single-Core)
Threads42
Base clock speed2.66 GHz1.5 GHz
Boost clock speed0.67 GHz1.5 GHz
Bus typeno datacDMI
Bus rate1333 MHz400 MT/s
Multiplierno data8
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)512K (per core)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 82 mm265 mm2
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)76 °Cno data
Number of transistors456 million140 million
64 bit support+-
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400s and Atom Z670 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)
SocketLGA775T-PBGA518
Power consumption (TDP)65 Watt3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400s and Atom Z670. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q9400s and Atom Z670 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400s and Atom Z670 are enumerated here.

VT-d+-
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400s and Atom Z670. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2
Maximum memory sizeno data2.93 GB
Max memory channelsno data1
Maximum memory bandwidthno data3.2 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)PowerVR SGX535

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9400s and Atom Z670 integrated GPUs.

LVDSno data+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400s and Atom Z670.

PCIe version2.0no data
PCI supportno data-

Pros & cons summary


Recency 18 January 2009 11 April 2011
Physical cores 4 1
Threads 4 2
Power consumption (TDP) 65 Watt 3 Watt

Core 2 Quad Q9400s has 300% more physical cores and 100% more threads.

Atom Z670, on the other hand, has an age advantage of 2 years, and 2067% lower power consumption.

We couldn't decide between Intel Core 2 Quad Q9400s and Intel Atom Z670. We've got no test results to judge.

Note that Core 2 Quad Q9400s is a desktop processor while Atom Z670 is a notebook one.

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

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


3.3 29 votes

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1.8 4 votes

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