i7-8665U vs i7-9750HF

Primary details

Comparing Core i7-9750HF and Core i7-8665U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1038	1442
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Intel Core i7
Power efficiency	13.97	24.67
Architecture codename	Coffee Lake-HR (2019)	Whiskey Lake-U (2018−2019)
Release date	23 April 2019 (5 years ago)	1 October 2018 (6 years ago)
Launch price (MSRP)	no data	$409

Detailed specifications

Core i7-9750HF and Core i7-8665U 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	8
Base clock speed	2.6 GHz	1.9 GHz
Boost clock speed	4.5 GHz	4.8 GHz
Bus type	no data	OPI
Bus rate	8 GT/s	4 GT/s
Multiplier	no data	19
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	256 KB (per core)
L3 cache	12 MB (shared)	8 MB (shared)
Chip lithography	14 nm	14 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i7-9750HF and Core i7-8665U 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	1 (Uniprocessor)
Socket	FCBGA1440	FCBGA1528
Power consumption (TDP)	45 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-9750HF and Core i7-8665U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
My WiFi	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	-	+
Smart Response	no data	+

Security technologies

Core i7-9750HF and Core i7-8665U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-9750HF and Core i7-8665U are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-9750HF and Core i7-8665U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666, LPDDR3-2133	DDR4
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	41.8 GB/s	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics for 8th Generation Intel Processors
Max video memory	no data	32 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.15 GHz

Graphics interfaces

Available interfaces and connections of Core i7-9750HF and Core i7-8665U integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Core i7-9750HF and Core i7-8665U integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2304@24Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-9750HF and Core i7-8665U integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-9750HF and Core i7-8665U.

PCIe version	3.0	3.0
PCI Express lanes	16	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	6.68	3.93
Recency	23 April 2019	1 October 2018
Physical cores	6	4
Threads	12	8
Power consumption (TDP)	45 Watt	15 Watt

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Should you still have questions on choice between Core i7-9750HF and Core i7-8665U, ask them in Comments section, and we shall answer.

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