Intel Core i9-9990XE vs Intel Core i9-10900KF

Comparative analysis of Intel Core i9-9990XE and Intel Core i9-10900KF 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.



Reasons to consider the Intel Core i9-9990XE

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 14 vs 10
  • 8 more threads: 28 vs 20
  • Around 40% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 5.6x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 35% better performance in PassMark - CPU mark: 31941 vs 23669
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 14 vs 10
Number of threads 28 vs 20
L1 cache 64K (per core) vs 640 KB
L2 cache 1 MB (per core) vs 2560 KB
PassMark - CPU mark 31941 vs 23669

Reasons to consider the Intel Core i9-10900KF

  • CPU is newer: launch date 1 year(s) 6 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
  • Around 4% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 2x lower typical power consumption: 125 Watt vs 255 Watt
  • Around 1% better performance in PassMark - Single thread mark: 3144 vs 3104
Specifications (specs)
Launch date 30 Apr 2020 vs 19 Oct 2018
Maximum frequency 5.30 GHz vs 5.10 GHz
Maximum core temperature 100°C vs 84°C
L3 cache 20 MB vs 19.25 MB (shared)
Thermal Design Power (TDP) 125 Watt vs 255 Watt
PassMark - Single thread mark 3144 vs 3104

Compare benchmarks

CPU 1: Intel Core i9-9990XE
CPU 2: Intel Core i9-10900KF

PassMark - Single thread mark
PassMark - CPU mark
Name Intel Core i9-9990XE Intel Core i9-10900KF
PassMark - Single thread mark 3104 3144
PassMark - CPU mark 31941 23669
3DMark Fire Strike - Physics Score 13677

Compare specifications (specs)

Intel Core i9-9990XE Intel Core i9-10900KF


Architecture codename Skylake Comet Lake
Launch date 19 Oct 2018 30 Apr 2020
Place in performance rating 15 8
Processor Number i9-9980XE i9-10900KF
Series Intel® Core™ X-series Processors 10th Generation Intel Core i9 Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $463 - $474


64 bit support
Base frequency 4.00 GHz 3.70 GHz
Bus Speed 4 × 8 GT/s 8 GT/s
L1 cache 64K (per core) 640 KB
L2 cache 1 MB (per core) 2560 KB
L3 cache 19.25 MB (shared) 20 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 84°C 100°C
Maximum frequency 5.10 GHz 5.30 GHz
Number of cores 14 10
Number of QPI Links 0
Number of threads 28 20


Max memory channels 4 2
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 DDR4-2933
Maximum memory bandwidth 45.8 GB/s


Max number of CPUs in a configuration 1 1
Sockets supported FCLGA2066 FCLGA1200
Thermal Design Power (TDP) 255 Watt 125 Watt
Configurable TDP-down 95 Watt
Configurable TDP-down Frequency 3.30 GHz
Package Size 37.5mm x 37.5mm
Thermal Solution PCG 2015D


Max number of PCIe lanes 44 16
PCI Express revision 3.0 3.0
Scalability 1S Only 1S Only
PCIe configurations Up to 1x16, 2x8, 1x8+2x4

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
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® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2
Idle States
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Thermal Monitoring


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