Ultra 9 185H vs i9-11900KF

VS

Aggregate performance score

Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.69
Core Ultra 9 185H
2023
16 cores / 22 threads, 45 Watt
18.50
+17.9%

Core Ultra 9 185H outperforms Core i9-11900KF by a moderate 18% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900KF and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking437324
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Meteor Lake-H
Power efficiency11.8838.91
Architecture codenameRocket Lake (2021)Meteor Lake-H (2023)
Release date16 March 2021 (3 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)no data$640

Detailed specifications

Core i9-11900KF and Core Ultra 9 185H 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)16 (Hexadeca-Core)
Threads1622
Base clock speed3.5 GHz3.9 GHz
Boost clock speed5.2 GHz5.1 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)112 KB (per core)
L2 cache256K (per core)2 MB (per core)
L3 cache16 MB (shared)24 MB (shared)
Chip lithography14 nm7 nm
Maximum core temperature100 °C110 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-11900KF and Core Ultra 9 185H 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
SocketFCLGA1200Intel BGA 2049
Power consumption (TDP)125 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KF and Core Ultra 9 185H. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0+no data
Deep Learning Boost+-

Security technologies

Core i9-11900KF and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
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 i9-11900KF and Core Ultra 9 185H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KF and Core Ultra 9 185H. 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 dataIntel Arc 8-Cores iGPU ( - 2350 MHz)

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KF and Core Ultra 9 185H.

PCIe version4.05.0
PCI Express lanes208

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.

i9-11900KF 15.69
Ultra 9 185H 18.50
+17.9%

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.

i9-11900KF 24928
Ultra 9 185H 29390
+17.9%

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.

i9-11900KF 2329
+3.8%
Ultra 9 185H 2243

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.

i9-11900KF 10041
Ultra 9 185H 11970
+19.2%

Gaming performance

Pros & cons summary


Performance score 15.69 18.50
Recency 16 March 2021 14 December 2023
Physical cores 8 16
Threads 16 22
Chip lithography 14 nm 7 nm
Power consumption (TDP) 125 Watt 45 Watt

Ultra 9 185H has a 17.9% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 37.5% more threads, a 100% more advanced lithography process, and 177.8% lower power consumption.

The Core Ultra 9 185H is our recommended choice as it beats the Core i9-11900KF in performance tests.

Note that Core i9-11900KF is a desktop processor while Core Ultra 9 185H is a notebook one.


Should you still have questions on choice between Core i9-11900KF and Core Ultra 9 185H, ask them in Comments section, and we shall answer.

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Intel Core i9-11900KF
Core i9-11900KF
Intel Core Ultra 9 185H
Core Ultra 9 185H

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Community ratings

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Questions & comments

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