Intel Core i9 10900K (10th Gen) vs. Intel Core i5 10400F (10th Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i9 10900K (10th Gen) and Intel Core i5 10400F (10th Gen). Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Core i9 10900K (10th Gen) vs. Intel Core i5 10400F (10th Gen) Benchmark Chart
GENERAL Intel Core i9 10900K (10th Gen) Intel Core i5 10400F (10th Gen)
Product Type Processor Processor
DIMENSIONS
Height 15.5 cm 10.1 cm
Width 9 cm 17 cm
Depth 13.3 cm 11.6 cm
Weight 436 g 338 g
PROCESSOR Intel Core i9 10900K (10th Gen) Intel Core i5 10400F (10th Gen)
Type Intel Core i9 10900K (10th Gen) Intel Core i5 10400F (10th Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1200 Socket LGA1200 Socket
Manufacturing Process 14 nm 14 nm
Thermal Design Power 125 W 65 W
Thermal Specification 100 °C 100 °C
PCI Express Revision 3.0 3.0
PCI Express Configurations 1x16, 2x8, 1x8+2x4 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty 16 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel Stable Image Platform Program (SIPP), Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Turbo Boost Max Technology 3.0, Intel Optane Memory Supported, Intel Boot Guard, Intel Thermal Velocity Boost, Intel vPro Platform Eligibility Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Optane Memory Supported, Intel Boot Guard
PERFORMANCE
Number of Cores 10-core 6-core
Number of Threads 20 threads 12 threads
Clock Speed (Frequency) 3.7 GHz 2.9 GHz
Max Turbo Speed 5.3 GHz 4.3 GHz
Bus Speed 8 GT/s -
CACHE MEMORY
Cache 20 MB 12 MB
Cache Memory Details Smart Cache - 20 MB Smart Cache - 12 MB
INTEGRATED GRAPHICS (GPU) Intel Core i9 10900K (10th Gen) Intel Core i5 10400F (10th Gen)
Type Intel UHD Graphics 630 -
Base Frequency 350 MHz -
Max Dynamic Frequency 1.2 GHz -
Max Supported Memory Size 64 GB -
Max Supported Resolution 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) -
Features Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable -
MISCELLANEOUS Intel Core i9 10900K (10th Gen) Intel Core i5 10400F (10th Gen)
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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