Ryzen 5 8645HS vs i7-12700K

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Aggregate performance score

Core i7-12700K
2021
12 cores / 20 threads, 125 Watt
21.78
+50.5%
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47

Core i7-12700K outperforms Ryzen 5 8645HS by an impressive 51% based on our aggregate benchmark results.

Primary details

Comparing Core i7-12700K and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking245498
Place by popularity73not in top-100
Cost-effectiveness evaluation41.83no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7no data
Power efficiency16.4930.43
Architecture codenameAlder Lake, Golden Cove, Gracemont (2021)Hawk Point-HS (Zen 4) (2023−2024)
Release date4 November 2021 (3 years ago)6 December 2023 (1 year ago)
Launch price (MSRP)$409no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-12700K and Ryzen 5 8645HS 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 cores12 (Dodeca-Core)6 (Hexa-Core)
Performance-cores8no data
Efficient-cores4no data
Threads2012
Base clock speed3.6 GHz4.3 GHz
Boost clock speed5 GHz5 GHz
Bus typeDMI 4.0no data
Bus rate8 × 16 GT/sno data
Multiplier36no data
L1 cache80K (per core)64 KB (per core)
L2 cache1.25 MB (per core)1 MB (per core)
L3 cache25 MB (shared)16 MB (shared)
Chip lithography10 nm4 nm
Die size215.25 mm2178 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i7-12700K and Ryzen 5 8645HS 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
SocketFCLGA1700FP8
Power consumption (TDP)125 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-12700K and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
FMA+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i7-12700K and Ryzen 5 8645HS technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-12700K and Ryzen 5 8645HS are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-12700K and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth76.805 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 770AMD Radeon 760M ( - 2600 MHz)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.5 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i7-12700K and Ryzen 5 8645HS integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i7-12700K and Ryzen 5 8645HS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hzno data
Max resolution over eDP5120 x 3200 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i7-12700K and Ryzen 5 8645HS integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-12700K and Ryzen 5 8645HS.

PCIe version5.0 and 4.04.0
PCI Express lanes2020

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.

i7-12700K 21.78
+50.5%
Ryzen 5 8645HS 14.47

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.

i7-12700K 34592
+50.5%
Ryzen 5 8645HS 22982

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.

i7-12700K 16827
+19.7%
Ryzen 5 8645HS 14055

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.

i7-12700K 2.66
+23.7%
Ryzen 5 8645HS 3.29

Cinebench 15 64-bit multi-core

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

i7-12700K 3325
+58.8%
Ryzen 5 8645HS 2094

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.

i7-12700K 272
+0.7%
Ryzen 5 8645HS 270

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.

i7-12700K 15.7
+42.7%
Ryzen 5 8645HS 11

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.

i7-12700K 10389
+55.2%
Ryzen 5 8645HS 6695

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.  

i7-12700K 179
+47%
Ryzen 5 8645HS 122

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.  

i7-12700K 350
+24.2%
Ryzen 5 8645HS 282

Geekbench 5.5 Multi-Core

i7-12700K 14016
+48.8%
Ryzen 5 8645HS 9420

Blender(-)

i7-12700K 173
Ryzen 5 8645HS 241
+39.2%

Geekbench 5.5 Single-Core

i7-12700K 1912
Ryzen 5 8645HS 1915
+0.2%

7-Zip Single

i7-12700K 6270
+1.3%
Ryzen 5 8645HS 6190

7-Zip

i7-12700K 73439
+32.1%
Ryzen 5 8645HS 55608

WebXPRT 3

i7-12700K 304
+2.9%
Ryzen 5 8645HS 295

CrossMark Overall

i7-12700K 1999
+13.3%
Ryzen 5 8645HS 1765

Gaming performance

Pros & cons summary


Performance score 21.78 14.47
Integrated graphics card 6.16 14.89
Recency 4 November 2021 6 December 2023
Physical cores 12 6
Threads 20 12
Chip lithography 10 nm 4 nm
Power consumption (TDP) 125 Watt 45 Watt

i7-12700K has a 50.5% higher aggregate performance score, and 100% more physical cores and 66.7% more threads.

Ryzen 5 8645HS, on the other hand, has 141.7% faster integrated GPU, an age advantage of 2 years, a 150% more advanced lithography process, and 177.8% lower power consumption.

The Core i7-12700K is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.

Note that Core i7-12700K is a desktop processor while Ryzen 5 8645HS is a notebook one.


Should you still have questions on choice between Core i7-12700K and Ryzen 5 8645HS, 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 i7-12700K
Core i7-12700K
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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