i7-8706G vs i5-7640K

Primary details

Comparing Core i5-7640K and Core i7-8706G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1288
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i7
Power efficiencyno data6.73
Architecture codenameKaby Lake-X (2017)Kaby Lake G (2018)
Release dateno data (2024 years ago)1 February 2018 (6 years ago)

Detailed specifications

Core i5-7640K and Core i7-8706G 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)4 (Quad-Core)
Threadsno data8
Base clock speedno data3.1 GHz
Boost clock speed3.9 GHz4.1 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data31
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache6144 KB (shared)8 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i5-7640K and Core i7-8706G 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)
Socket1151FCBGA2270
Power consumption (TDP)112 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7640K and Core i7-8706G. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Smart Responseno data+

Security technologies

Core i5-7640K and Core i7-8706G technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7640K and Core i7-8706G 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 i5-7640K and Core i7-8706G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i5-7640K and Core i7-8706G integrated GPUs.

Number of displays supportedno data3
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i5-7640K and Core i7-8706G integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160 @30Hz
Max resolution over eDPno data4096 x 2160 @60Hz
Max resolution over DisplayPortno data4096 x 2160 @60Hz

Graphics API support

APIs supported by Core i5-7640K and Core i7-8706G integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.4

Peripherals

Specifications and connection of peripherals supported by Core i5-7640K and Core i7-8706G.

PCIe versionno data3.0
PCI Express lanesno data8

Pros & cons summary


Power consumption (TDP) 112 Watt 65 Watt

i7-8706G has 72.3% lower power consumption.

We couldn't decide between Core i5-7640K and Core i7-8706G. We've got no test results to judge.

Note that Core i5-7640K is a desktop processor while Core i7-8706G is a notebook one.


Should you still have questions on choice between Core i5-7640K and Core i7-8706G, ask them in Comments section, and we shall answer.

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Intel Core i5-7640K
Core i5-7640K
Intel Core i7-8706G
Core i7-8706G

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Community ratings

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2.5 8 votes

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4.4 13 votes

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