Compare Intel Core i5-8400H VS Intel Core i3-8121U. Which processor delivers superior performance?
In this detailed comparison, we evaluate the specifications and benchmarks of both processors to determine the best choice for your needs. We analyze their core counts, maximum frequencies, and power consumption.
Intel Core i5-8400H boasts a maximum frequency of 2.50 GHz GHz. 4 cores that enhance multitasking capabilities.With a power consumption of 45 W W, it ensures efficient performance.Released in Q2/2018, it incorporates the latest technology for optimal efficiency.
Intel Core i3-8121U features a maximum frequency of 2.20 GHz GHz. 2 cores designed for high-performance tasks.Its power consumption is 15 W W, providing a balance of power and efficiency.Launched in Q2/2018, it is built to handle demanding applications.
Reasons to consider Place in the overall ranking
(based on several benchmarks)
score
Higher clock speed
Around 12% better clock speed
2.20 GHz
More number of cores
2 times more cores
2
Higher turbo clock speed
Around 24% better overclocked clock speed
3.20 GHz
Common positions Intel Core i5-8400H CPU in popular benchmarks, for comparison with other models.
Reasons to consider Place in the overall ranking
(based on several benchmarks)
score
Performance per watt
About 0.33 times less performance per watt
45 W
Common positions Intel Core i3-8121U CPU in popular benchmarks, for comparison with other models.
Intel Core i5-8400H
Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.
Mobile
Intel Core i3
8
Intel Core i 8000U
Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.
2.20 GHz
2
3.20 GHz
4
Yes
No
normal
The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.
no iGPU
No turbo
--
This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.
No
No
No
No
No
No
No
No
No
Overview of the types and quantities of RAM supported by Intel Core i3-8121U and Intel Core i5-8400H. The supported memory frequencies may vary depending on the motherboard configuration.
DDR4-2400 SO-DIMM
No
2
3.0
16
Yes
Analyze the TDP (Thermal Design Power) requirements of Intel Core i5-8400H and Intel Core i3-8121U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.
15 W
Information on architecture, interfaces, and additional instructions supported by Intel Core i5-8400H and Intel Core i3-8121U, including virtual machine technologies and fabrication processes.
x86-64 (64 bit)
VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX-512
4.00 MB
Cannon Lake U
10 nm
BGA 1356
Q2/2018
By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between Intel Core i5-8400H and Intel Core i3-8121U.
Compare the synthetic benchmark scores and make an informed decision on the best processor for your needs!
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