Intel Core i9-10900X vs Intel Core i9-9900KF

Comparative analysis of Intel Core i9-10900X 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: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-10900X

Intel Core i9-9900KF

Differences

Reasons to consider the Intel Core i9-10900X

2 more cores, run more applications at once: 10 vs 8
4 more threads: 20 vs 16
2x more maximum memory size: 256 GB vs 128 GB
Around 19% better performance in Geekbench 4 - Multi-Core: 10361 vs 8735
Around 23% better performance in PassMark - CPU mark: 22460 vs 18220
Around 5% better performance in 3DMark Fire Strike - Physics Score: 7400 vs 7041

Specifications (specs)
Number of cores	10 vs 8
Number of threads	20 vs 16
Maximum memory size	256 GB vs 128 GB
Benchmarks
Geekbench 4 - Multi-Core	10361 vs 8735
PassMark - CPU mark	22460 vs 18220
3DMark Fire Strike - Physics Score	7400 vs 7041

Reasons to consider the Intel Core i9-9900KF

Around 11% higher clock speed: 5.00 GHz vs 4.50 GHz
Around 6% higher maximum core temperature: 100°C vs 94°C
Around 74% lower typical power consumption: 95 Watt vs 165 Watt
Around 15% better performance in Geekbench 4 - Single Core: 1343 vs 1170
Around 9% better performance in PassMark - Single thread mark: 2922 vs 2676

Specifications (specs)
Maximum frequency	5.00 GHz vs 4.50 GHz
Maximum core temperature	100°C vs 94°C
Thermal Design Power (TDP)	95 Watt vs 165 Watt
Benchmarks
Geekbench 4 - Single Core	1343 vs 1170
PassMark - Single thread mark	2922 vs 2676

Compare benchmarks

CPU 1: Intel Core i9-10900X
CPU 2: Intel Core i9-9900KF

Geekbench 4 - Single Core

CPU 1

CPU 2

1170

1343

Geekbench 4 - Multi-Core

CPU 1

CPU 2

10361

8735

PassMark - Single thread mark

CPU 1

CPU 2

2676

2922

PassMark - CPU mark

CPU 1

CPU 2

22460

18220

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7400

7041

Name	Intel Core i9-10900X	Intel Core i9-9900KF
Geekbench 4 - Single Core	1170	1343
Geekbench 4 - Multi-Core	10361	8735
PassMark - Single thread mark	2676	2922
PassMark - CPU mark	22460	18220
3DMark Fire Strike - Physics Score	7400	7041

Compare specifications (specs)

	Intel Core i9-10900X	Intel Core i9-9900KF
Essentials
Architecture codename	Cascade Lake	Coffee Lake
Launch date	Q4'19	Q1'19
Launch price (MSRP)	$590, $599
Place in performance rating	895	896
Processor Number	i9-10900X	i9-9900KF
Series	Intel Core X-series Processors	9th Generation Intel® Core™ i9 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.70 GHz	3.60 GHz
L1 cache	640 KB
L2 cache	10 MB
L3 cache	19.25 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	94°C	100°C
Maximum frequency	4.50 GHz	5.00 GHz
Number of cores	10	8
Number of threads	20	16
64 bit support
Bus Speed		8 GT/s DMI3
Memory
Max memory channels	4	2
Maximum memory size	256 GB	128 GB
Supported memory types	DDR4-2933	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	48	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)