Intel Core i5 9400

Intel Core i5 9400
  • Cores: 6
  • L3 cache: 9MB (shared)
  • TDP: 65 W
  • Transistor size: 14 nm
Core i5 9400 - desktop processor produced by Intel for socket LGA-1151 that has 6 cores and 6 threads. The base clock frequency of the CPU is 2900 MHz, but due to Turbo Boost technology, it can perform up to 4100 MHz. The size of the L3 cache is 9 MB. Please note that this chip has integrated graphics Intel UHD Graphics 630.

Test in Benchmarks

Performance test of Intel Core i5 9400 in benchmarks


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 26.7 GOps/sec
Floating point math 22.8 GOps/sec
Find prime numbers 36M Primes/sec
Random string sorting 16.8M Strings/sec
Data encryption 2.8 GBytes/sec
Data compression 133.6 MBytes/sec
Physics 616 Frames/sec
Extended instructions 11.7B Matrices/sec
Sources: PassMark [3]


Core i5 9400 technical specifications


Vendor Intel
Released January 7, 2019
Type Desktop
instruction set x86-64
Codename Coffee Lake
Model number i5-9400
Integrated GPU UHD Graphics 630


Performance Cores
P-Cores 6
P-Threads 6
Base Frequency (P) 2.9 GHz
Turbo Boost Frequency (P) 4.1 GHz
Total Cores 6
Total Threads 6
Bus Frequency 100 MHz
Multiplier 29x
Bus Bandwidth 8 GT/s
L1 Cache 64K (per core)
L2 Cache 256K (per core)
L3 Cache 9MB (shared)
Unlocked Multiplier No


Fabrication process 14 nm
TDP (PL1) 65 W
Socket LGA-1151
Peak temperature 100°C


Integrated Graphics Intel UHD Graphics 630
GPU Base Clock 350 MHz
GPU Boost Clock 1050 MHz
Shading Units 192
TMUs 24
ROPs 3
Execution Units 24
TGP 15 W
Max. Resolution 4096x2304 - 60 Hz

Memory Support

Memory types - DDR4-2666
Memory Size 128 GB
Max. Memory Channels 2
Max. Memory Bandwidth 41.6 GB/s
ECC Support No


Official site Intel Core i5 9400 official page
PCI Express Version 3.0
PCI Express Lanes 16
Extended instructions SSE4.1, SSE4.2, AVX-2


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