Intel Core i9-9900KF vs Intel Core i5-9600

Comparative analysis of Intel Core i9-9900KF and Intel Core i5-9600 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.



Reasons to consider the Intel Core i9-9900KF

  • 2 more cores, run more applications at once: 8 vs 6
  • Around 9% higher clock speed: 5.00 GHz vs 4.60 GHz
  • Around 10% better performance in PassMark - Single thread mark: 3001 vs 2720
  • Around 78% better performance in PassMark - CPU mark: 18901 vs 10589
Specifications (specs)
Number of cores 8 vs 6
Maximum frequency 5.00 GHz vs 4.60 GHz
PassMark - Single thread mark 3001 vs 2720
PassMark - CPU mark 18901 vs 10589

Reasons to consider the Intel Core i5-9600

  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Thermal Design Power (TDP) 65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i9-9900KF
CPU 2: Intel Core i5-9600

PassMark - Single thread mark
PassMark - CPU mark
Name Intel Core i9-9900KF Intel Core i5-9600
PassMark - Single thread mark 3001 2720
PassMark - CPU mark 18901 10589
Geekbench 4 - Single Core 1343
Geekbench 4 - Multi-Core 8735
3DMark Fire Strike - Physics Score 11090

Compare specifications (specs)

Intel Core i9-9900KF Intel Core i5-9600


Architecture codename Coffee Lake Coffee Lake
Launch date Q1'19 October 2018
Place in performance rating 168 192
Processor Number i9-9900KF
Series 9th Generation Intel® Core™ i9 Processors
Status Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $224


64 bit support
Base frequency 3.60 GHz 3.10 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C
Maximum frequency 5.00 GHz 4.60 GHz
Number of cores 8 6
Number of threads 16
L1 cache 64K (per core)
L2 cache 256K (per core)
L3 cache 9 MB (shared)
Maximum case temperature (TCase) 72 °C


Max memory channels 2 2
Maximum memory bandwidth 41.6 GB/s 41.6 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 DDR4-2666
ECC memory support


Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm
Sockets supported FCLGA1151 FCLGA1151
Thermal Design Power (TDP) 95 Watt 65 Watt
Thermal Solution PCG 2015D (130W)


Max number of PCIe lanes 16
PCI Express revision 3.0
PCIe configurations Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)


Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)