Core 2 Quad Q8400s vs Core i5-7300U

Primary details

Comparing Core i5-7300U and Core 2 Quad Q8400s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1802not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiency14.51no data
Architecture codenameKaby Lake (2016−2019)Yorkfield (2007−2009)
Release date3 January 2017 (7 years ago)19 April 2009 (15 years ago)
Launch price (MSRP)$281no data

Detailed specifications

Core i5-7300U and Core 2 Quad Q8400s 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)
Threads44
Base clock speed2.6 GHz2.66 GHz
Boost clock speed3.5 GHz0.67 GHz
Bus typeOPIno data
Bus rate4 GT/s1333 MHz
Multiplier26no data
L1 cache128 KB64 KB (per core)
L2 cache512 KB4 MB (shared)
L3 cache3 MB0 KB
Chip lithography14 nm45 nm
Die sizeno data2x 82 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data76 °C
Number of transistorsno data456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core i5-7300U and Core 2 Quad Q8400s 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 configuration1 (Uniprocessor)1
SocketFCBGA1356,FPBGA1356FCLGA775,LGA775
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7300U and Core 2 Quad Q8400s. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
Demand Based Switchingno data-

Security technologies

Core i5-7300U and Core 2 Quad Q8400s technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7300U and Core 2 Quad Q8400s are enumerated here.

AMD-V+-
VT-d+no data
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7300U and Core 2 Quad Q8400s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR1, DDR2, DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 620On certain motherboards (Chipset feature)
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Core i5-7300U and Core 2 Quad Q8400s integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-7300U and Core 2 Quad Q8400s integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-7300U and Core 2 Quad Q8400s integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7300U and Core 2 Quad Q8400s.

PCIe version3.02.0
PCI Express lanes12no data

Pros & cons summary


Recency 3 January 2017 19 April 2009
Physical cores 2 4
Chip lithography 14 nm 45 nm
Power consumption (TDP) 15 Watt 65 Watt

i5-7300U has an age advantage of 7 years, a 221.4% more advanced lithography process, and 333.3% lower power consumption.

Core 2 Quad Q8400s, on the other hand, has 100% more physical cores.

We couldn't decide between Core i5-7300U and Core 2 Quad Q8400s. We've got no test results to judge.

Be aware that Core i5-7300U is a notebook processor while Core 2 Quad Q8400s is a desktop one.


Should you still have questions on choice between Core i5-7300U and Core 2 Quad Q8400s, ask them in Comments section, and we shall answer.

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Intel Core i5-7300U
Core i5-7300U
Intel Core 2 Quad Q8400s
Core 2 Quad Q8400s

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