Intel Core i9-11900KF vs Intel Core i5-10400F

Comparative analysis of Intel Core i9-11900KF and Intel Core i5-10400F 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.

Intel Core i9-11900KF

Intel Core i5-10400F

Differences

Reasons to consider the Intel Core i9-11900KF

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 23% higher clock speed: 5.30 GHz vs 4.30 GHz
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 39% better performance in PassMark - Single thread mark: 3533 vs 2542
2x better performance in PassMark - CPU mark: 24786 vs 12141
Around 76% better performance in 3DMark Fire Strike - Physics Score: 8347 vs 4742

Specifications (specs)
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.30 GHz vs 4.30 GHz
L3 cache	16 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	3533 vs 2542
PassMark - CPU mark	24786 vs 12141
3DMark Fire Strike - Physics Score	8347 vs 4742

Reasons to consider the Intel Core i5-10400F

Around 92% lower typical power consumption: 65 Watt vs 125 Watt

Thermal Design Power (TDP)	65 Watt vs 125 Watt

Compare benchmarks

CPU 1: Intel Core i9-11900KF
CPU 2: Intel Core i5-10400F

PassMark - Single thread mark

CPU 1

CPU 2

3533

2542

PassMark - CPU mark

CPU 1

CPU 2

24786

12141

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8347

4742

Name	Intel Core i9-11900KF	Intel Core i5-10400F
PassMark - Single thread mark	3533	2542
PassMark - CPU mark	24786	12141
3DMark Fire Strike - Physics Score	8347	4742

Compare specifications (specs)

	Intel Core i9-11900KF	Intel Core i5-10400F
Essentials
Architecture codename	Rocket Lake	Comet Lake
Launch date	16 Mar 2021	Q2'20
Launch price (MSRP)	$513 - $524	$155 - $157
Place in performance rating	421	1061
Processor Number	i9-11900KF	i5-10400F
Series	11th Generation Intel Core i9 Processors	10th Generation Intel Core i5 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.50 GHz	2.90 GHz
Bus Speed	8 GT/s	8 GT/s
L1 cache	512 KB
L2 cache	2 MB
L3 cache	16 MB	12 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.30 GHz	4.30 GHz
Number of cores	8	6
Number of threads	16	12
Memory
Max memory channels	2	2
Maximum memory bandwidth	50 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-3200	DDR4-2666
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.00 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA1200
Thermal Design Power (TDP)	125 Watt	65 Watt
Thermal Solution	PCG 2019A	PCG 2015C
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision	4.0	3.0
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4	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
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
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® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
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)