Intel Core i9-11900KF processor review

Core i9-11900KF processor released by Intel; release date: 16 Mar 2021. At the time of release, the processor cost $513 - $524. The processor is designed for desktop-computers and based on Rocket Lake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 8, threads - 16. Maximum CPU clock speed - 5.30 GHz. Maximum operating temperature - 100°C. Manufacturing process technology - 14 nm. Cache size: L1 - 512 KB, L2 - 2 MB, L3 - 16 MB.

Supported memory types: DDR4-3200. Maximum memory size: 128 GB.

Supported socket types: FCLGA1200. Maximum number of processors in a configuration - 1. Power consumption (TDP): 125 Watt.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
3769
3596
PassMark
CPU mark
Top 1 CPU
This CPU
87767
25249
Name Value
PassMark - Single thread mark 3596
PassMark - CPU mark 25249

Specifications (specs)

Essentials

Architecture codename Rocket Lake
Launch date 16 Mar 2021
Launch price (MSRP) $513 - $524
Place in performance rating 31
Processor Number i9-11900KF
Series 11th Generation Intel Core i9 Processors
Status Launched
Vertical segment Desktop

Performance

64 bit support
Base frequency 3.50 GHz
Bus Speed 8 GT/s
L1 cache 512 KB
L2 cache 2 MB
L3 cache 16 MB
Manufacturing process technology 14 nm
Maximum core temperature 100°C
Maximum frequency 5.30 GHz
Number of cores 8
Number of threads 16

Memory

Max memory channels 2
Maximum memory bandwidth 50 GB/s
Maximum memory size 128 GB
Supported memory types DDR4-3200

Compatibility

Configurable TDP-down 95 Watt
Configurable TDP-down Frequency 3.00 GHz
Max number of CPUs in a configuration 1
Package Size 37.5 mm x 37.5 mm
Sockets supported FCLGA1200
Thermal Design Power (TDP) 125 Watt
Thermal Solution PCG 2019A

Peripherals

Max number of PCIe lanes 20
PCI Express revision 4.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Scalability 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 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)