i5-7640K vs i7-8705G

VS

Primary details

Comparing Core i7-8705G and Core i5-7640K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1240not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency7.05no data
Architecture codenameKaby Lake G (2018)Kaby Lake-X (2017)
Release date1 February 2018 (6 years ago)no data (2024 years ago)

Detailed specifications

Core i7-8705G and Core i5-7640K 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)
Threads8no data
Base clock speed3.1 GHzno data
Boost clock speed4.1 GHz3.9 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier31no data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)256 KB (per core)
L3 cache8 MB (shared)6144 KB (shared)
Chip lithography14 nm14 nm
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier-+

Compatibility

Information on Core i7-8705G and Core i5-7640K 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
SocketFCBGA22701151
Power consumption (TDP)65 Watt112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8705G and Core i5-7640K. 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++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response+no data

Security technologies

Core i7-8705G and Core i5-7640K technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
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 i7-8705G and Core i5-7640K 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 i7-8705G and Core i5-7640K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-8705G and Core i5-7640K integrated GPUs.

Number of displays supported3no data
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-8705G and Core i5-7640K integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2160 @30Hzno data
Max resolution over eDP4096 x 2160 @60Hzno data
Max resolution over DisplayPort4096 x 2160 @60Hzno data

Graphics API support

APIs supported by Core i7-8705G and Core i5-7640K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Core i7-8705G and Core i5-7640K.

PCIe version3.0no data
PCI Express lanes8no data

Pros & cons summary


Power consumption (TDP) 65 Watt 112 Watt

i7-8705G has 72.3% lower power consumption.

We couldn't decide between Core i7-8705G and Core i5-7640K. We've got no test results to judge.

Be aware that Core i7-8705G is a notebook processor while Core i5-7640K is a desktop one.


Should you still have questions on choice between Core i7-8705G and Core i5-7640K, 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.


Intel Core i7-8705G
Core i7-8705G
Intel Core i5-7640K
Core i5-7640K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.7 22 votes

Rate Core i7-8705G on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.5 8 votes

Rate Core i5-7640K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-8705G or Core i5-7640K, agree or disagree with our judgements, or report an error or mismatch.