Intel Core i5-10400F vs Intel Core i9-9900KF

Comparative analysis of Intel Core i5-10400F 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i5-10400F

Intel Core i9-9900KF

Differences

Reasons to consider the Intel Core i5-10400F

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the Intel Core i9-9900KF

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 16% higher clock speed: 5.00 GHz vs 4.30 GHz
Around 15% better performance in PassMark - Single thread mark: 2933 vs 2548
Around 50% better performance in PassMark - CPU mark: 18318 vs 12204
Around 48% better performance in 3DMark Fire Strike - Physics Score: 7066 vs 4768

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.00 GHz vs 4.30 GHz
Benchmarks
PassMark - Single thread mark	2933 vs 2548
PassMark - CPU mark	18318 vs 12204
3DMark Fire Strike - Physics Score	7066 vs 4768

Compare benchmarks

CPU 1: Intel Core i5-10400F
CPU 2: Intel Core i9-9900KF

PassMark - Single thread mark

CPU 1

CPU 2

2548

2933

PassMark - CPU mark

CPU 1

CPU 2

12204

18318

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

4768

7066

Name	Intel Core i5-10400F	Intel Core i9-9900KF
PassMark - Single thread mark	2548	2933
PassMark - CPU mark	12204	18318
3DMark Fire Strike - Physics Score	4768	7066
Geekbench 4 - Single Core		1343
Geekbench 4 - Multi-Core		8735

Compare specifications (specs)

	Intel Core i5-10400F	Intel Core i9-9900KF
Essentials
Architecture codename	Comet Lake	Coffee Lake
Launch date	Q2'20	Q1'19
Launch price (MSRP)	$155 - $157
Place in performance rating	1054	882
Processor Number	i5-10400F	i9-9900KF
Series	10th Generation Intel Core i5 Processors	9th Generation Intel® Core™ i9 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.90 GHz	3.60 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L3 cache	12 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.30 GHz	5.00 GHz
Number of cores	6	8
Number of threads	12	16
Memory
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
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA1151
Thermal Design Power (TDP)	65 Watt	95 Watt
Thermal Solution	PCG 2015C	PCG 2015D (130W)
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Memory Protection Extensions (Intel® MPX)
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 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)