i5-12450H vs i9-9900KF

VS

Aggregate performance score

Core i9-9900KF
2019
8 cores / 16 threads, 95 Watt
11.47
+7.5%
Core i5-12450H
2022
8 cores / 12 threads, 45 Watt
10.67

Core i9-9900KF outperforms Core i5-12450H by a small 7% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900KF and Core i5-12450H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking688737
Place by popularitynot in top-1004
Cost-effectiveness evaluation8.43no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9Intel Alder Lake-P
Power efficiency11.4222.43
Architecture codenameCoffee Lake-R (2018−2019)Alder Lake-H (2022)
Release date8 January 2019 (5 years ago)January 2022 (2 years ago)
Launch price (MSRP)$488no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900KF and Core i5-12450H 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)8 (Octa-Core)
Threads1612
Base clock speed3.6 GHz2 GHz
Boost clock speed5 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography14 nm10 nm
Die sizeno data217 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900KF and Core i5-12450H 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 configuration1 (Uniprocessor)1
SocketFCLGA1151Intel BGA 1744
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Core i5-12450H. 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++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i9-9900KF and Core i5-12450H technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KF and Core i5-12450H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Core i5-12450H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4, DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics Xe G4 48EUs ( - 1200 MHz)

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Core i5-12450H.

PCIe version3.04.0
PCI Express lanes1620

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.

i9-9900KF 11.47
+7.5%
i5-12450H 10.67

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.

i9-9900KF 18220
+7.5%
i5-12450H 16948

Gaming performance

Pros & cons summary


Performance score 11.47 10.67
Threads 16 12
Chip lithography 14 nm 10 nm
Power consumption (TDP) 95 Watt 45 Watt

i9-9900KF has a 7.5% higher aggregate performance score, and 33.3% more threads.

i5-12450H, on the other hand, has a 40% more advanced lithography process, and 111.1% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9900KF and Core i5-12450H.

Note that Core i9-9900KF is a desktop processor while Core i5-12450H is a notebook one.


Should you still have questions on choice between Core i9-9900KF and Core i5-12450H, ask them in Comments section, and we shall answer.

Vote for your favorite

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


Intel Core i9-9900KF
Core i9-9900KF
Intel Core i5-12450H
Core i5-12450H

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.8 513 votes

Rate Core i9-9900KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 5514 votes

Rate Core i5-12450H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900KF or Core i5-12450H, agree or disagree with our judgements, or report an error or mismatch.