i5-14600KF vs i9-11900KB

VS

Aggregate performance score

Core i9-11900KB
2021
8 cores / 16 threads, 65 Watt
14.42
Core i5-14600KF
2023
14 cores / 20 threads, 125 Watt
24.67
+71.1%

Core i5-14600KF outperforms Core i9-11900KB by an impressive 71% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900KB and Core i5-14600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking502205
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation17.8670.30
Market segmentDesktop processorDesktop processor
Power efficiency20.9918.68
Architecture codenameTiger Lake-H (2021)Raptor Lake-R (2023−2024)
Release dateMay 2021 (3 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)$539$294

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-14600KF has 294% better value for money than i9-11900KB.

Detailed specifications

Core i9-11900KB and Core i5-14600KF 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)14 (Tetradeca-Core)
Threads1620
Base clock speed3.3 GHz3.5 GHz
Boost clock speed4.9 GHz5.3 GHz
Bus rate8 GT/sno data
L1 cache80K (per core)80 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache24 MB (shared)24 MB (shared)
Chip lithography10 nm SuperFinIntel 7 nm
Die size190 mm2257 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i9-11900KB and Core i5-14600KF 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
SocketFCBGA1787FCLGA1700
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KB and Core i5-14600KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0+no data
Deep Learning Boost++

Security technologies

Core i9-11900KB and Core i5-14600KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KB and Core i5-14600KF are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KB and Core i5-14600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5-5600, DDR4-3200
Maximum memory size128 GB192 GB
Max memory channels22
Maximum memory bandwidth51.2 GB/s89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics for 11th Gen Intel ProcessorsN/A
Quick Sync Video+-
Graphics max frequency1.45 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-11900KB and Core i5-14600KF integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900KB and Core i5-14600KF integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@60Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort7680x4320@60Hzno data

Graphics API support

APIs supported by Core i9-11900KB and Core i5-14600KF integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KB and Core i5-14600KF.

PCIe version4.05.0 and 4.0
PCI Express lanes2016

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.

i9-11900KB 14.42
i5-14600KF 24.67
+71.1%

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.

i9-11900KB 22911
i5-14600KF 39188
+71%

Gaming performance

Pros & cons summary


Performance score 14.42 24.67
Physical cores 8 14
Threads 16 20
Power consumption (TDP) 65 Watt 125 Watt

i9-11900KB has 92.3% lower power consumption.

i5-14600KF, on the other hand, has a 71.1% higher aggregate performance score, and 75% more physical cores and 25% more threads.

The Core i5-14600KF is our recommended choice as it beats the Core i9-11900KB in performance tests.


Should you still have questions on choice between Core i9-11900KB and Core i5-14600KF, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-11900KB
Core i9-11900KB
Intel Core i5-14600KF
Core i5-14600KF

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Community ratings

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Questions & comments

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