Ryzen 5 8645HS vs i9-11900F

VS

Aggregate performance score

Core i9-11900F
2021
8 cores / 16 threads, 65 Watt
13.98
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47
+3.5%

Ryzen 5 8645HS outperforms Core i9-11900F by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900F and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking530499
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency20.3730.45
Architecture codenameRocket Lake (2021)Hawk Point-HS (Zen 4) (2023−2024)
Release date16 March 2021 (3 years ago)6 December 2023 (1 year ago)

Detailed specifications

Core i9-11900F 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 cores8 (Octa-Core)6 (Hexa-Core)
Threads1612
Base clock speed2.5 GHz4.3 GHz
Boost clock speed5.1 GHz5 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data178 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 i9-11900F 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
SocketFCLGA1200FP8
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900F 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® AVX2, Intel® AVX-512Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0+no data
Precision Boost 2no data+
Deep Learning Boost+-

Security technologies

Core i9-11900F 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
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900F 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 i9-11900F and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Core i9-11900F and Ryzen 5 8645HS.

PCIe version4.04.0
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.

i9-11900F 13.98
Ryzen 5 8645HS 14.47
+3.5%

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.

i9-11900F 22203
Ryzen 5 8645HS 22985
+3.5%

Gaming performance

Pros & cons summary


Performance score 13.98 14.47
Recency 16 March 2021 6 December 2023
Physical cores 8 6
Threads 16 12
Chip lithography 14 nm 4 nm
Power consumption (TDP) 65 Watt 45 Watt

i9-11900F has 33.3% more physical cores and 33.3% more threads.

Ryzen 5 8645HS, on the other hand, has a 3.5% higher aggregate performance score, an age advantage of 2 years, a 250% more advanced lithography process, and 44.4% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-11900F and Ryzen 5 8645HS.

Note that Core i9-11900F is a desktop processor while Ryzen 5 8645HS is a notebook one.


Should you still have questions on choice between Core i9-11900F and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-11900F
Core i9-11900F
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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