Intel Core i5-11400F vs Intel Core i9-9900X

Comparative analysis of Intel Core i5-11400F and Intel Core i9-9900X 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the Intel Core i5-11400F

  • CPU is newer: launch date 2 year(s) 5 month(s) later
  • Around 9% higher maximum core temperature: 100°C vs 92°C
  • 2.5x lower typical power consumption: 65 Watt vs 165 Watt
  • Around 17% better performance in PassMark - Single thread mark: 2997 vs 2562
Specifications (specs)
Launch date 16 Mar 2021 vs October 2018
Maximum core temperature 100°C vs 92°C
Thermal Design Power (TDP) 65 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2997 vs 2562

Reasons to consider the Intel Core i9-9900X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 10 vs 6
  • 8 more threads: 20 vs 12
  • Around 67% more L1 cache; more data can be stored in the L1 cache for quick access later
  • 6.7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 60% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 28% better performance in PassMark - CPU mark: 21853 vs 17030
  • Around 82% better performance in 3DMark Fire Strike - Physics Score: 10364 vs 5695
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 10 vs 6
Number of threads 20 vs 12
L1 cache 64K (per core) vs 384 KB
L2 cache 1 MB (per core) vs 1.5 MB
L3 cache 19.25 MB (shared) vs 12 MB
Benchmarks
PassMark - CPU mark 21853 vs 17030
3DMark Fire Strike - Physics Score 10364 vs 5695

Compare benchmarks

CPU 1: Intel Core i5-11400F
CPU 2: Intel Core i9-9900X

PassMark - Single thread mark
CPU 1
CPU 2
2997
2562
PassMark - CPU mark
CPU 1
CPU 2
17030
21853
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
5695
10364
Name Intel Core i5-11400F Intel Core i9-9900X
PassMark - Single thread mark 2997 2562
PassMark - CPU mark 17030 21853
3DMark Fire Strike - Physics Score 5695 10364
Geekbench 4 - Single Core 1136
Geekbench 4 - Multi-Core 10446

Compare specifications (specs)

Intel Core i5-11400F Intel Core i9-9900X

Essentials

Architecture codename Rocket Lake Skylake
Launch date 16 Mar 2021 October 2018
Launch price (MSRP) $157
Place in performance rating 814 821
Processor Number i5-11400F i9-9900X
Series 11th Generation Intel Core i5 Processors Intel® Core™ X-series Processors
Vertical segment Desktop Desktop
Status Launched

Performance

64 bit support
Base frequency 2.60 GHz 3.50 GHz
Bus Speed 8 GT/s 8 GT/s DMI3
L1 cache 384 KB 64K (per core)
L2 cache 1.5 MB 1 MB (per core)
L3 cache 12 MB 19.25 MB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C 92°C
Maximum frequency 4.40 GHz 4.40 GHz
Number of cores 6 10
Number of threads 12 20
Maximum case temperature (TCase) 72 °C
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

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) 65 Watt 165 Watt
Thermal Solution PCG 2019C PCG 2017X

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)