Ryzen 5 5600X vs i9-9900KF

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Aggregate performance score

Core i9-9900KF
2019
8 cores / 16 threads, 95 Watt
11.47
Ryzen 5 5600X
2020
6 cores / 12 threads, 65 Watt
13.78
+20.1%

Ryzen 5 5600X outperforms Core i9-9900KF by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900KF and Ryzen 5 5600X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking688539
Place by popularitynot in top-10016
Cost-effectiveness evaluation8.4226.62
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9AMD Ryzen 5
Power efficiency11.4320.06
Architecture codenameCoffee Lake-R (2018−2019)Vermeer (Zen 3) (2020−2022)
Release date8 January 2019 (5 years ago)5 November 2020 (4 years ago)
Launch price (MSRP)$488$299

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 5 5600X has 216% better value for money than i9-9900KF.

Detailed specifications

Core i9-9900KF and Ryzen 5 5600X 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 speed3.6 GHz3.7 GHz
Boost clock speed5 GHz4.6 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplierno data37
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)512K (per core)
L3 cache16 MB (shared)32 MB
Chip lithography14 nm7 nm, 12 nm
Die sizeno data2x 80.7 + 125 (I/O) mm2
Maximum core temperature100 °C95 °C
Maximum case temperature (TCase)72 °C95 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9900KF and Ryzen 5 5600X 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
SocketFCLGA1151AM4
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Ryzen 5 5600X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
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+-
Precision Boost 2no data+

Security technologies

Core i9-9900KF and Ryzen 5 5600X technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
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 Ryzen 5 5600X 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 i9-9900KF and Ryzen 5 5600X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s51.196 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Ryzen 5 5600X.

PCIe version3.04.0
PCI Express lanes16no data

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
Ryzen 5 5600X 13.78
+20.1%

  • Other tests
    • Passmark
    • GeekBench 5 Single-Core
    • GeekBench 5 Multi-Core

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 18213
Ryzen 5 5600X 21887
+20.2%

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.

i9-9900KF 1723
Ryzen 5 5600X 2113
+22.6%

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.

i9-9900KF 8126
Ryzen 5 5600X 8685
+6.9%

Gaming performance

Pros & cons summary


Performance score 11.47 13.78
Recency 8 January 2019 5 November 2020
Physical cores 8 6
Threads 16 12
Chip lithography 14 nm 7 nm
Power consumption (TDP) 95 Watt 65 Watt

i9-9900KF has 33.3% more physical cores and 33.3% more threads.

Ryzen 5 5600X, on the other hand, has a 20.1% higher aggregate performance score, an age advantage of 1 year, a 100% more advanced lithography process, and 46.2% lower power consumption.

The Ryzen 5 5600X is our recommended choice as it beats the Core i9-9900KF in performance tests.


Should you still have questions on choice between Core i9-9900KF and Ryzen 5 5600X, ask them in Comments section, and we shall answer.

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Intel Core i9-9900KF
Core i9-9900KF
AMD Ryzen 5 5600X
Ryzen 5 5600X

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Community ratings

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Questions & comments

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