Intel Core i3 8100T (8th Gen) vs. Intel Core i5 9400 (9th Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i3 8100T (8th Gen) and Intel Core i5 9400 (9th 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 i3 8100T (8th Gen) vs. Intel Core i5 9400 (9th Gen) Benchmark Chart
GENERAL Intel Core i3 8100T (8th Gen) Intel Core i5 9400 (9th Gen)
Product Type Processor Processor
PROCESSOR Intel Core i3 8100T (8th Gen) Intel Core i5 9400 (9th Gen)
Type Intel Core i3 8100T (8th Gen) Intel Core i5 9400 (9th Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1151 Socket LGA1151 Socket
Manufacturing Process 14 nm 14 nm
Thermal Design Power 35 W 65 W
Thermal Specification 82 °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, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, 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 Memory Protection Extensions (MPX), Intel Optane Memory Supported, Intel Boot Guard Enhanced SpeedStep 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 Memory Protection Extensions (MPX), Intel Optane Memory Supported, Intel Boot Guard
PERFORMANCE
Number of Cores Quad-Core 6-core
Number of Threads 4 threads 6 threads
Clock Speed (Frequency) 3.1 GHz 2.9 GHz
Max Turbo Speed - 4.1 GHz
CACHE MEMORY
Cache 6 MB 9 MB
Cache Memory Details Smart Cache - 6 MB Smart Cache - 9 MB
INTEGRATED GRAPHICS (GPU) Intel Core i3 8100T (8th Gen) Intel Core i5 9400 (9th Gen)
Type Intel UHD Graphics 630 Intel UHD Graphics 630
Base Frequency 350 MHz 350 MHz
Max Dynamic Frequency 1.1 GHz 1.05 GHz
Max Supported Memory Size 64 GB 64 GB
Max Supported Resolution 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) 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 Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable
MISCELLANEOUS Intel Core i3 8100T (8th Gen) Intel Core i5 9400 (9th Gen)
Service & Support - Limited warranty - 3 years
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