i5-7640K vs i7-8705G

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 ranking	1235	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Power efficiency	7.06	no data
Architecture codename	Kaby Lake G (2018)	Kaby Lake-X (2017)
Release date	7 January 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 cores	4 (Quad-Core)	4 (Quad-Core)
Threads	8	no data
Base clock speed	3.1 GHz	no data
Boost clock speed	4.1 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	31	no data
L1 cache	256 KB	64 KB (per core)
L2 cache	1 MB	256 KB (per core)
L3 cache	8 MB (shared)	6144 KB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	72 °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 configuration	1 (Uniprocessor)	1
Socket	FCBGA2270	1151
Power consumption (TDP)	65 Watt	112 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 extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no 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	+	-
SGX	Yes with Intel® ME	no 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 types	DDR4	DDR4
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	no data
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

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

Number of displays supported	3	no 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 1.4	4096 x 2160 @30Hz	no data
Max resolution over eDP	4096 x 2160 @60Hz	no data
Max resolution over DisplayPort	4096 x 2160 @60Hz	no data

Graphics API support

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

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

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

PCIe version	3.0	no data
PCI Express lanes	8	no data

Pros & cons summary

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Power consumption (TDP)

65 Watt

112 Watt

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Should you still have questions on choice between Core i7-8705G and Core i5-7640K, ask them in Comments section, and we shall answer.

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