Ryzen 5 8645HS vs i9-13900H

VS

Aggregate performance score

Core i9-13900H
2023
14 cores / 20 threads, 45 Watt
18.02
+24.5%
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47

Core i9-13900H outperforms Ryzen 5 8645HS by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Core i9-13900H and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking341499
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Raptor Lake-Hno data
Power efficiency37.9030.43
Architecture codenameRaptor Lake-H (2023)Hawk Point-HS (Zen 4) (2023−2024)
Release date4 January 2023 (1 year ago)6 December 2023 (1 year ago)
Launch price (MSRP)$617no data

Detailed specifications

Core i9-13900H 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 cores14 (Tetradeca-Core)6 (Hexa-Core)
Threads2012
Base clock speed2.6 GHz4.3 GHz
Boost clock speed5.4 GHz5 GHz
L1 cache80K (per core)64 KB (per core)
L2 cache2 MB (per core)1 MB (per core)
L3 cache24 MB (shared)16 MB (shared)
Chip lithographyIntel 7 nm4 nm
Die size257 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

Compatibility

Information on Core i9-13900H 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
SocketFCBGA1744FP8
Power consumption (TDP)45 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-13900H 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++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Hyper-Threading Technology+no data
TSX+-
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i9-13900H 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 i9-13900H 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 i9-13900H and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5
Maximum memory size96 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleAMD Radeon 760M ( - 2600 MHz)
Quick Sync Video+-
Graphics max frequency1.5 GHzno data
Execution Units96no data

Graphics interfaces

Available interfaces and connections of Core i9-13900H and Ryzen 5 8645HS integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-13900H and Ryzen 5 8645HS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hzno data
Max resolution over eDP4096 x 2304 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i9-13900H and Ryzen 5 8645HS integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i9-13900H and Ryzen 5 8645HS.

PCIe version5.04.0
PCI Express lanes820

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.

i9-13900H 18.02
+24.5%
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.

i9-13900H 28616
+24.5%
Ryzen 5 8645HS 22985

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.

i9-13900H 14893
+6%
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.

i9-13900H 3.52
Ryzen 5 8645HS 3.29
+7%

Cinebench 15 64-bit multi-core

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

i9-13900H 2667
+27.3%
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.

i9-13900H 279
+3.3%
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.

i9-13900H 13.3
+20.9%
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.

i9-13900H 6800
+1.6%
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.  

i9-13900H 114
Ryzen 5 8645HS 122
+6.9%

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.  

i9-13900H 298
+5.7%
Ryzen 5 8645HS 282

Geekbench 5.5 Multi-Core

i9-13900H 12890
+36.8%
Ryzen 5 8645HS 9420

Blender(-)

i9-13900H 196
Ryzen 5 8645HS 241
+23%

Geekbench 5.5 Single-Core

i9-13900H 1955
+2.1%
Ryzen 5 8645HS 1915

7-Zip Single

i9-13900H 6276
+1.4%
Ryzen 5 8645HS 6190

7-Zip

i9-13900H 70166
+26.2%
Ryzen 5 8645HS 55608

WebXPRT 3

i9-13900H 316
+7.1%
Ryzen 5 8645HS 295

CrossMark Overall

i9-13900H 1912
+8.3%
Ryzen 5 8645HS 1765

WebXPRT 4 Overall

i9-13900H 284
+14.3%
Ryzen 5 8645HS 248

Blender v3.3 Classroom CPU(-)

i9-13900H 336
Ryzen 5 8645HS 389
+15.8%

Geekbench 6.3 Multi-Core

i9-13900H 12611
+15.9%
Ryzen 5 8645HS 10882

Geekbench 6.3 Single-Core

i9-13900H 2645
+2.9%
Ryzen 5 8645HS 2570

Gaming performance

Pros & cons summary


Performance score 18.02 14.47
Recency 4 January 2023 6 December 2023
Physical cores 14 6
Threads 20 12

i9-13900H has a 24.5% higher aggregate performance score, and 133.3% more physical cores and 66.7% more threads.

Ryzen 5 8645HS, on the other hand, has an age advantage of 11 months.

The Core i9-13900H is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.


Should you still have questions on choice between Core i9-13900H and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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Intel Core i9-13900H
Core i9-13900H
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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