Ryzen 5 7645HX vs i9-13900K

VS

Aggregate performance score

Core i9-13900K
2022
24 cores / 32 threads, 125 Watt
37.09
+119%
Ryzen 5 7645HX
2023
6 cores / 12 threads, 45 Watt
16.91

Core i9-13900K outperforms Ryzen 5 7645HX by a whopping 119% based on our aggregate benchmark results.

Primary details

Comparing Core i9-13900K and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking88388
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation62.93no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9no data
Power efficiency28.0835.56
Architecture codenameRaptor Lake, Raptor Cove, Gracemont (2022)Dragon Range (Zen4) (2023)
Release date27 September 2022 (2 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$589no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-13900K and Ryzen 5 7645HX 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 cores24 (Tetracosa-Core)6 (Hexa-Core)
Threads3212
Base clock speed3 GHz4 GHz
Boost clock speed5.7 GHz5 GHz
Bus rate4 × 16 GT/sno data
Multiplier30no data
L1 cache80K (per core)64K (per core)
L2 cache2 MB (per core)1 MB (per core)
L3 cache36 MB (shared)32 MB (shared)
Chip lithographyIntel 7 nm5 nm
Die size257 mm271 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data6570 Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-13900K and Ryzen 5 7645HX 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
SocketFCLGA1700FL1
Power consumption (TDP)125 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-13900K and Ryzen 5 7645HX. 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++
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 i9-13900K and Ryzen 5 7645HX 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 i9-13900K and Ryzen 5 7645HX 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 i9-13900K and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-5200
Maximum memory size192 GBno data
Max memory channels2no data
Maximum memory bandwidth89.604 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 770AMD Radeon 610M (400 - 2200 MHz)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.65 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-13900K and Ryzen 5 7645HX integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-13900K and Ryzen 5 7645HX 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 i9-13900K and Ryzen 5 7645HX integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-13900K and Ryzen 5 7645HX.

PCIe version5.0 and 4.05.0
PCI Express lanes2028

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.

i9-13900K 37.09
+119%
Ryzen 5 7645HX 16.91

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.

i9-13900K 58920
+119%
Ryzen 5 7645HX 26868

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.

i9-13900K 3001
+13%
Ryzen 5 7645HX 2656

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.

i9-13900K 20186
+74.4%
Ryzen 5 7645HX 11577

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.

i9-13900K 12018
+55.7%
Ryzen 5 7645HX 7717

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.

i9-13900K 87738
+96.2%
Ryzen 5 7645HX 44716

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.

i9-13900K 68
+163%
Ryzen 5 7645HX 26

Cinebench 15 64-bit multi-core

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

i9-13900K 5806
+155%
Ryzen 5 7645HX 2276

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.

i9-13900K 318
+10%
Ryzen 5 7645HX 289

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.

i9-13900K 22.9
+81.7%
Ryzen 5 7645HX 12.6

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.

i9-13900K 14271
+6.9%
Ryzen 5 7645HX 13352

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.  

i9-13900K 265
+94.8%
Ryzen 5 7645HX 136

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.  

i9-13900K 419
+27.7%
Ryzen 5 7645HX 328

Geekbench 5.5 Multi-Core

i9-13900K 24033
+137%
Ryzen 5 7645HX 10145

Blender(-)

i9-13900K 84
Ryzen 5 7645HX 224
+167%

Geekbench 5.5 Single-Core

i9-13900K 2286
+16%
Ryzen 5 7645HX 1971

7-Zip Single

i9-13900K 7272
+2.1%
Ryzen 5 7645HX 7124

7-Zip

i9-13900K 146984
+143%
Ryzen 5 7645HX 60373

WebXPRT 3

i9-13900K 368
+11.2%
Ryzen 5 7645HX 331

CrossMark Overall

i9-13900K 2580
+33.1%
Ryzen 5 7645HX 1939

WebXPRT 4 Overall

i9-13900K 316
+15.8%
Ryzen 5 7645HX 273

Blender v3.3 Classroom CPU(-)

i9-13900K 141
Ryzen 5 7645HX 360
+156%

Gaming performance

Pros & cons summary


Performance score 37.09 16.91
Integrated graphics card 6.16 2.85
Recency 27 September 2022 4 January 2023
Physical cores 24 6
Threads 32 12
Power consumption (TDP) 125 Watt 45 Watt

i9-13900K has a 119.3% higher aggregate performance score, 116.1% faster integrated GPU, and 300% more physical cores and 166.7% more threads.

Ryzen 5 7645HX, on the other hand, has an age advantage of 3 months, and 177.8% lower power consumption.

The Core i9-13900K is our recommended choice as it beats the Ryzen 5 7645HX in performance tests.

Note that Core i9-13900K is a desktop processor while Ryzen 5 7645HX is a notebook one.


Should you still have questions on choice between Core i9-13900K and Ryzen 5 7645HX, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-13900K
Core i9-13900K
AMD Ryzen 5 7645HX
Ryzen 5 7645HX

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Community ratings

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