i5-12600KF vs i9-9820X

VS

Aggregate performance score

Core i9-9820X
2018
10 cores / 20 threads, 165 Watt
12.74
Core i5-12600KF
2021
10 cores / 16 threads, 125 Watt
17.56
+37.8%

Core i5-12600KF outperforms Core i9-9820X by a substantial 38% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9820X and Core i5-12600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking606358
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.0048.63
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Intel Core i5
Power efficiency7.3013.29
Architecture codenameSkylake (server) (2017−2018)Alder Lake, Golden Cove, Gracemont (2021)
Release date19 October 2018 (6 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$898$264

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-12600KF has 873% better value for money than i9-9820X.

Detailed specifications

Core i9-9820X and Core i5-12600KF 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 cores10 (Deca-Core)10 (Deca-Core)
Threads2016
Base clock speed3.3 GHz3.7 GHz
Boost clock speed4.2 GHz4.9 GHz
Bus typeDMI 3.0DMI 4.0
Bus rate4 × 8 GT/s8 × 16 GT/s
Multiplier3337
L1 cache64 KB (per core)80K (per core)
L2 cache1 MB (per core)9.5 MB
L3 cache16.5 MB (shared)20 MB (shared)
Chip lithography14 nmIntel 7 nm
Die sizeno data215.25 mm2
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9820X and Core i5-12600KF 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
SocketFCLGA2066FCLGA1700
Power consumption (TDP)165 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9820X and Core i5-12600KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+-
Deep Learning Boost-+

Security technologies

Core i9-9820X and Core i5-12600KF technologies aimed at improving security, for example, by protecting against hacks.

EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9820X and Core i5-12600KF are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9820X and Core i5-12600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5-4800, DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s76.805 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i9-9820X and Core i5-12600KF.

PCIe version3.05.0 and 4.0
PCI Express lanes4420

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.

i9-9820X 12.74
i5-12600KF 17.56
+37.8%

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.

i9-9820X 20234
i5-12600KF 27899
+37.9%

Gaming performance

Pros & cons summary


Performance score 12.74 17.56
Recency 19 October 2018 4 November 2021
Threads 20 16
Power consumption (TDP) 165 Watt 125 Watt

i9-9820X has 25% more threads.

i5-12600KF, on the other hand, has a 37.8% higher aggregate performance score, an age advantage of 3 years, and 32% lower power consumption.

The Core i5-12600KF is our recommended choice as it beats the Core i9-9820X in performance tests.


Should you still have questions on choice between Core i9-9820X and Core i5-12600KF, 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 i9-9820X
Core i9-9820X
Intel Core i5-12600KF
Core i5-12600KF

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Community ratings

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Questions & comments

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