i7-8665U vs i7-14700HX

VS

Aggregate performance score

Core i7-14700HX
2024
20 cores / 28 threads, 55 Watt
23.73
+504%
Core i7-8665U
2018
4 cores / 8 threads, 15 Watt
3.93

Core i7-14700HX outperforms Core i7-8665U by a whopping 504% based on our aggregate benchmark results.

Primary details

Comparing Core i7-14700HX and Core i7-8665U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2171442
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesRaptor Lake-HXIntel Core i7
Power efficiency40.6224.67
Architecture codenameRaptor Lake-HX Refresh (2024)Whiskey Lake-U (2018−2019)
Release date8 January 2024 (less than a year ago)1 October 2018 (6 years ago)
Launch price (MSRP)no data$409

Detailed specifications

Core i7-14700HX 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 cores20 (Icosa-Core)4 (Quad-Core)
Threads288
Base clock speed2.1 GHz1.9 GHz
Boost clock speed5.4 GHz4.8 GHz
Bus typeno dataOPI
Bus rate157 MHz4 GT/s
Multiplierno data19
L1 cache80 KB (per core)64 KB (per core)
L2 cache2 MB (per core)256 KB (per core)
L3 cache33 MB (shared)8 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier+-

Compatibility

Information on Core i7-14700HX 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 configuration11 (Uniprocessor)
SocketFCBGA1964FCBGA1528
Power consumption (TDP)55 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-14700HX and Core i7-8665U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift++
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access++
SIPP-+
Smart Responseno data+
Turbo Boost Max 3.0+no data
Deep Learning Boost+-

Security technologies

Core i7-14700HX and Core i7-8665U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Key++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-14700HX 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 i7-14700HX and Core i7-8665U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR4
Maximum memory size192 GB64 GB
Max memory channels22
Maximum memory bandwidth89.6 GB/s38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics for 14th Gen Intel ProcessorsIntel UHD Graphics for 8th Generation Intel Processors
Max video memoryno data32 GB
Quick Sync Video++
Clear Videono data+
Clear Video HDno data+
Graphics max frequency1.6 GHz1.15 GHz
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i7-14700HX and Core i7-8665U integrated GPUs.

Number of displays supported43
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-14700HX and Core i7-8665U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096 x 2304@24Hz
Max resolution over eDP5120 x 3200 @ 120Hz4096 x 2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-14700HX and Core i7-8665U integrated GPUs, sometimes API versions are included.

DirectX12.112
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core i7-14700HX and Core i7-8665U.

PCIe version5.0 and 4.03.0
PCI Express lanes1616

Synthetic benchmark performance

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


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.

i7-14700HX 23.73
+504%
i7-8665U 3.93

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-14700HX 37694
+504%
i7-8665U 6245

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-14700HX 2523
+230%
i7-8665U 765

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-14700HX 13728
+466%
i7-8665U 2425

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-14700HX 11767
+71.2%
i7-8665U 6872

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-14700HX 68172
+270%
i7-8665U 18427

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-14700HX 18104
+184%
i7-8665U 6365

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-14700HX 2.69
+271%
i7-8665U 9.98

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-14700HX 10
+114%
i7-8665U 5

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-14700HX 3780
+464%
i7-8665U 670

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-14700HX 296
+64.4%
i7-8665U 180

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-14700HX 3.63
+117%
i7-8665U 1.67

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-14700HX 19.3
+642%
i7-8665U 2.6

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-14700HX 177
+453%
i7-8665U 32

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-14700HX 365
+163%
i7-8665U 139

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-14700HX 10202
+198%
i7-8665U 3418

Geekbench 5.5 Multi-Core

i7-14700HX 17691
+562%
i7-8665U 2671

Blender(-)

i7-14700HX 140
i7-8665U 755
+439%

Geekbench 5.5 Single-Core

i7-14700HX 2080
+100%
i7-8665U 1039

7-Zip Single

i7-14700HX 6895
+46.5%
i7-8665U 4706

7-Zip

i7-14700HX 98097
+436%
i7-8665U 18298

Gaming performance

Pros & cons summary


Performance score 23.73 3.93
Recency 8 January 2024 1 October 2018
Physical cores 20 4
Threads 28 8
Power consumption (TDP) 55 Watt 15 Watt

i7-14700HX has a 503.8% higher aggregate performance score, an age advantage of 5 years, and 400% more physical cores and 250% more threads.

i7-8665U, on the other hand, has 266.7% lower power consumption.

The Core i7-14700HX is our recommended choice as it beats the Core i7-8665U in performance tests.


Should you still have questions on choice between Core i7-14700HX and Core i7-8665U, ask them in Comments section, and we shall answer.

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Intel Core i7-14700HX
Core i7-14700HX
Intel Core i7-8665U
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Questions & comments

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