Intel Core i9-11900KF vs Intel Core i9-11900K

Comparative analysis of Intel Core i9-11900KF and Intel Core i9-11900K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-11900KF

Intel Core i9-11900K

Differences

Reasons to consider the Intel Core i9-11900KF

Around 1% better performance in PassMark - Single thread mark: 3538 vs 3516

Benchmarks
PassMark - Single thread mark	3538 vs 3516
3DMark Fire Strike - Physics Score	8382 vs 8376

Reasons to consider the Intel Core i9-11900K

Around 1% better performance in PassMark - CPU mark: 25228 vs 25006

Benchmarks
PassMark - CPU mark	25228 vs 25006

Compare benchmarks

CPU 1: Intel Core i9-11900KF
CPU 2: Intel Core i9-11900K

PassMark - Single thread mark

CPU 1

CPU 2

3538

3516

PassMark - CPU mark

CPU 1

CPU 2

25006

25228

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8382

8376

Name	Intel Core i9-11900KF	Intel Core i9-11900K
PassMark - Single thread mark	3538	3516
PassMark - CPU mark	25006	25228
3DMark Fire Strike - Physics Score	8382	8376

Compare specifications (specs)

	Intel Core i9-11900KF	Intel Core i9-11900K
Essentials
Architecture codename	Rocket Lake	Rocket Lake
Launch date	16 Mar 2021	16 Mar 2021
Launch price (MSRP)	$513 - $524	$539 - $549
Place in performance rating	443	445
Processor Number	i9-11900KF	i9-11900K
Series	11th Generation Intel Core i9 Processors	11th Generation Intel Core i9 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.50 GHz	3.50 GHz
Bus Speed	8 GT/s	8 GT/s
L1 cache	512 KB	512 KB
L2 cache	2 MB	2 MB
L3 cache	16 MB	16 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.30 GHz	5.30 GHz
Number of cores	8	8
Number of threads	16	16
Memory
Max memory channels	2	2
Maximum memory bandwidth	50 GB/s	50 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Configurable TDP-down	95 Watt	95 Watt
Configurable TDP-down Frequency	3.00 GHz	3.00 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5 mm x 37.5 mm	37.5 mm x 37.5 mm
Sockets supported	FCLGA1200	FCLGA1200
Thermal Design Power (TDP)	125 Watt	125 Watt
Thermal Solution	PCG 2019A	PCG 2019A
Peripherals
Max number of PCIe lanes	20	20
PCI Express revision	4.0	4.0
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
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 AVX-512
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)
Graphics
Device ID		0x4C8A
Execution Units		32
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.30 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel UHD Graphics 750
Graphics interfaces
Number of displays supported		3
Graphics image quality
4K resolution support
Max resolution over DisplayPort		5120 x 3200 @60Hz
Max resolution over eDP		5120 x 3200 @60Hz
Graphics API support
DirectX		12.1
OpenGL		4.5