Core i3-4100U vs Core 2 Quad Q8400

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Contents

Core 2 Quad Q8400 Core 2 Quad Q8400
i3-4100U i3-4100U

Primary details

Comparing Core 2 Quad Q8400 and Core i3-4100U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2266not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i3
Power efficiency1.30no data
Architecture codenameYorkfield (2007−2009)Haswell (2013−2015)
Release date19 April 2009 (15 years ago)4 June 2013 (11 years ago)

Detailed specifications

Core 2 Quad Q8400 and Core i3-4100U 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 GHz1.8 GHz
Boost clock speed0.67 GHz1.8 GHz
Bus rate1333 MHz5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache4 MB (shared)256K (per core)
L3 cache0 KB3 MB (shared)
Chip lithography45 nm22 nm
Die size2x 82 mm2118 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million1,400 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Core i3-4100U 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
SocketFCLGA775,LGA775FCBGA1168
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Core i3-4100U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Demand Based Switching-no data
GPIOno data+
Smart Connectno data+
FDIno data-
AMTno data9.5
Matrix Storageno data-
FSB parity-no data
HD Audiono data+
RSTno data+

Security technologies

Core 2 Quad Q8400 and Core i3-4100U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
Identity Protection-+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Core i3-4100U are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Core i3-4100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel HD Graphics 4400
Max video memoryno data2 GB
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q8400 and Core i3-4100U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Graphics image quality

Maximum display resolutions supported by Core 2 Quad Q8400 and Core i3-4100U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data3200x2000@60Hz
Max resolution over DisplayPortno data3200x2000@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core 2 Quad Q8400 and Core i3-4100U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Core i3-4100U.

PCIe version2.02.0
PCI Express lanesno data12
PCI supportno data-
USB revisionno data3.0
Total number of SATA portsno data4
Max number of SATA 6 Gb/s Portsno data4
Integrated IDEno data-
Number of USB portsno data4
Integrated LANno data-
UARTno data+

Pros & cons summary

Recency 19 April 2009 4 June 2013
Physical cores 4 2
Chip lithography 45 nm 22 nm
Power consumption (TDP) 95 Watt 15 Watt

Core 2 Quad Q8400 has 100% more physical cores.

i3-4100U, on the other hand, has an age advantage of 4 years, a 104.5% more advanced lithography process, and 533.3% lower power consumption.

We couldn't decide between Core 2 Quad Q8400 and Core i3-4100U. We've got no test results to judge.

Note that Core 2 Quad Q8400 is a desktop processor while Core i3-4100U is a notebook one.

Should you still have questions on choice between Core 2 Quad Q8400 and Core i3-4100U, 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.

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Core 2 Quad Q8400
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Community ratings

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

4 1339 votes

Rate Core 2 Quad Q8400 on a scale of 1 to 5:

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3.1 8 votes

Rate Core i3-4100U on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Core 2 Quad Q8400 or Core i3-4100U, agree or disagree with our judgements, or report an error or mismatch.