Intel Core i9-11900KF vs Intel Core i9-9990XE

Comparative analysis of Intel Core i9-11900KF and Intel Core i9-9990XE 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.

 

Differences

Reasons to consider the Intel Core i9-11900KF

  • CPU is newer: launch date 2 year(s) 4 month(s) later
  • Around 4% higher clock speed: 5.30 GHz vs 5.10 GHz
  • Around 19% higher maximum core temperature: 100°C vs 84°C
  • 2x lower typical power consumption: 125 Watt vs 255 Watt
  • Around 19% better performance in PassMark - Single thread mark: 3537 vs 2970
Specifications (specs)
Launch date 16 Mar 2021 vs 19 Oct 2018
Maximum frequency 5.30 GHz vs 5.10 GHz
Maximum core temperature 100°C vs 84°C
Thermal Design Power (TDP) 125 Watt vs 255 Watt
Benchmarks
PassMark - Single thread mark 3537 vs 2970

Reasons to consider the Intel Core i9-9990XE

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 6 more cores, run more applications at once: 14 vs 8
  • 12 more threads: 28 vs 16
  • Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 21% better performance in PassMark - CPU mark: 30162 vs 24997
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 14 vs 8
Number of threads 28 vs 16
L1 cache 64K (per core) vs 512 KB
L2 cache 1 MB (per core) vs 2 MB
L3 cache 19.25 MB (shared) vs 16 MB
Benchmarks
PassMark - CPU mark 30162 vs 24997

Compare benchmarks

CPU 1: Intel Core i9-11900KF
CPU 2: Intel Core i9-9990XE

PassMark - Single thread mark
CPU 1
CPU 2
3537
2970
PassMark - CPU mark
CPU 1
CPU 2
24997
30162
Name Intel Core i9-11900KF Intel Core i9-9990XE
PassMark - Single thread mark 3537 2970
PassMark - CPU mark 24997 30162
3DMark Fire Strike - Physics Score 8382

Compare specifications (specs)

Intel Core i9-11900KF Intel Core i9-9990XE

Essentials

Architecture codename Rocket Lake Skylake
Launch date 16 Mar 2021 19 Oct 2018
Launch price (MSRP) $513 - $524
Place in performance rating 443 455
Processor Number i9-11900KF i9-9980XE
Series 11th Generation Intel Core i9 Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.50 GHz 4.00 GHz
Bus Speed 8 GT/s 4 × 8 GT/s
L1 cache 512 KB 64K (per core)
L2 cache 2 MB 1 MB (per core)
L3 cache 16 MB 19.25 MB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C 84°C
Maximum frequency 5.30 GHz 5.10 GHz
Number of cores 8 14
Number of threads 16 28
Number of QPI Links 0
Unlocked

Memory

Max memory channels 2 4
Maximum memory bandwidth 50 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
Sockets supported FCLGA1200 FCLGA2066
Thermal Design Power (TDP) 125 Watt 255 Watt
Thermal Solution PCG 2019A

Peripherals

Max number of PCIe lanes 20 44
PCI Express revision 4.0 3.0
PCIe configurations 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
Intel® Advanced Vector Extensions (AVX)
Number of AVX-512 FMA Units 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)