Intel Core i5-8650K vs Intel Core i5-9400T

Comparative analysis of Intel Core i5-8650K and Intel Core i5-9400T processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the Intel Core i5-8650K

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 106% higher clock speed: 3.7 GHz vs 1.8 GHz
Unlocked Unlocked vs Locked
Maximum frequency 3.7 GHz vs 1.8 GHz

Reasons to consider the Intel Core i5-9400T

  • 2.7x lower typical power consumption: 35 Watt vs 95 Watt
Thermal Design Power (TDP) 35 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i5-8650K
CPU 2: Intel Core i5-9400T

Name Intel Core i5-8650K Intel Core i5-9400T
PassMark - Single thread mark 2112
PassMark - CPU mark 8335

Compare specifications (specs)

Intel Core i5-8650K Intel Core i5-9400T

Essentials

Architecture codename Coffee Lake Coffee Lake
Launch date September 2018 September 2018
Place in performance rating not rated 1151
Vertical segment Desktop Desktop

Performance

64 bit support
L1 cache 64K (per core) 64K (per core)
L2 cache 256K (per core) 256K (per core)
L3 cache 9 MB (shared) 9 MB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum case temperature (TCase) 72 °C 72 °C
Maximum frequency 3.7 GHz 1.8 GHz
Number of cores 6 6
Unlocked

Memory

Supported memory types DDR4 DDR4

Compatibility

Max number of CPUs in a configuration 1 1
Thermal Design Power (TDP) 95 Watt 35 Watt

Security & Reliability

Intel® Trusted Execution technology (TXT)

Advanced Technologies

Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)

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