Intel Core i7-9800X vs Intel Core i9-9900KF

Comparative analysis of Intel Core i7-9800X and Intel Core i9-9900KF 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 i7-9800X

Intel Core i9-9900KF

Differences

Reasons to consider the Intel Core i7-9800X

Around 8% better performance in Geekbench 4 - Multi-Core: 9409 vs 8735
Around 38% better performance in 3DMark Fire Strike - Physics Score: 9740 vs 7041

Benchmarks
Geekbench 4 - Multi-Core	9409 vs 8735
3DMark Fire Strike - Physics Score	9740 vs 7041

Reasons to consider the Intel Core i9-9900KF

Around 14% higher clock speed: 5.00 GHz vs 4.40 GHz
Around 5% higher maximum core temperature: 100°C vs 95°C
Around 74% lower typical power consumption: 95 Watt vs 165 Watt
Around 14% better performance in PassMark - Single thread mark: 2918 vs 2565
Around 1% better performance in PassMark - CPU mark: 18156 vs 18016
Around 13% better performance in Geekbench 4 - Single Core: 1343 vs 1185

Specifications (specs)
Maximum frequency	5.00 GHz vs 4.40 GHz
Maximum core temperature	100°C vs 95°C
Thermal Design Power (TDP)	95 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2918 vs 2565
PassMark - CPU mark	18156 vs 18016
Geekbench 4 - Single Core	1343 vs 1185

Compare benchmarks

CPU 1: Intel Core i7-9800X
CPU 2: Intel Core i9-9900KF

PassMark - Single thread mark

CPU 1

CPU 2

2565

2918

PassMark - CPU mark

CPU 1

CPU 2

18016

18156

Geekbench 4 - Single Core

CPU 1

CPU 2

1185

1343

Geekbench 4 - Multi-Core

CPU 1

CPU 2

9409

8735

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

9740

7041

Name	Intel Core i7-9800X	Intel Core i9-9900KF
PassMark - Single thread mark	2565	2918
PassMark - CPU mark	18016	18156
Geekbench 4 - Single Core	1185	1343
Geekbench 4 - Multi-Core	9409	8735
3DMark Fire Strike - Physics Score	9740	7041

Compare specifications (specs)

	Intel Core i7-9800X	Intel Core i9-9900KF
Essentials
Architecture codename	Skylake	Coffee Lake
Launch date	Q4'18	Q1'19
Place in performance rating	876	896
Processor Number	i7-9800X	i9-9900KF
Series	Intel® Core™ X-series Processors	9th Generation Intel® Core™ i9 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.80 GHz	3.60 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	95°C	100°C
Maximum frequency	4.40 GHz	5.00 GHz
Number of cores	8	8
Number of QPI Links	0
Number of threads	16	16
64 bit support
Memory
Max memory channels	4	2
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
Maximum memory bandwidth		41.6 GB/s
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	FCLGA1151
Thermal Design Power (TDP)	165 Watt	95 Watt
Thermal Solution	PCG 2017X	PCG 2015D (130W)
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	44	16
PCI Express revision	3.0	3.0
Scalability	1S Only	1S Only
PCIe configurations		Up to 1x16, 2x8, 1x8+2x4
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
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Idle States
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)