Intel Core i9-9900KF vs Intel Core i9-9920X

Comparative analysis of Intel Core i9-9900KF and Intel Core i9-9920X 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.

Intel Core i9-9900KF

Intel Core i9-9920X

Differences

Reasons to consider the Intel Core i9-9900KF

Around 14% higher clock speed: 5.00 GHz vs 4.40 GHz
Around 9% higher maximum core temperature: 100°C vs 92°C
Around 74% lower typical power consumption: 95 Watt vs 165 Watt
Around 11% better performance in PassMark - Single thread mark: 2932 vs 2637
Around 15% better performance in Geekbench 4 - Single Core: 1343 vs 1168

Specifications (specs)
Maximum frequency	5.00 GHz vs 4.40 GHz
Maximum core temperature	100°C vs 92°C
Thermal Design Power (TDP)	95 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2932 vs 2637
Geekbench 4 - Single Core	1343 vs 1168

Reasons to consider the Intel Core i9-9920X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 38% better performance in PassMark - CPU mark: 25223 vs 18312
Around 47% better performance in Geekbench 4 - Multi-Core: 12860 vs 8735

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 8
Number of threads	24 vs 16
Benchmarks
PassMark - CPU mark	25223 vs 18312
Geekbench 4 - Multi-Core	12860 vs 8735

Compare benchmarks

CPU 1: Intel Core i9-9900KF
CPU 2: Intel Core i9-9920X

PassMark - Single thread mark

CPU 1

CPU 2

2932

2637

PassMark - CPU mark

CPU 1

CPU 2

18312

25223

Geekbench 4 - Single Core

CPU 1

CPU 2

1343

1168

Geekbench 4 - Multi-Core

CPU 1

CPU 2

8735

12860

Name	Intel Core i9-9900KF	Intel Core i9-9920X
PassMark - Single thread mark	2932	2637
PassMark - CPU mark	18312	25223
Geekbench 4 - Single Core	1343	1168
Geekbench 4 - Multi-Core	8735	12860
3DMark Fire Strike - Physics Score	7066	0

Compare specifications (specs)

	Intel Core i9-9900KF	Intel Core i9-9920X
Essentials
Architecture codename	Coffee Lake	Skylake
Launch date	Q1'19	October 2018
Place in performance rating	883	1015
Processor Number	i9-9900KF	i9-9920X
Series	9th Generation Intel® Core™ i9 Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.60 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	92°C
Maximum frequency	5.00 GHz	4.40 GHz
Number of cores	8	12
Number of threads	16	24
L1 cache		64K (per core)
L2 cache		1 MB (per core)
L3 cache		19.25 MB (shared)
Maximum case temperature (TCase)		72 °C
Number of QPI Links		0
Unlocked
Memory
Max memory channels	2	4
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA2066
Thermal Design Power (TDP)	95 Watt	165 Watt
Thermal Solution	PCG 2015D (130W)	PCG 2017X
Peripherals
Max number of PCIe lanes	16	44
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	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® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
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)
Number of AVX-512 FMA Units		2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)