Intel Core i5-11400 vs Intel Core i9-11900K

In this comparison, we analyze the Intel Core i5-11400 and Intel Core i9-11900K CPUs. The Intel Core i5-11400 is 50% slower and 168% cheaper than Intel Core i9-11900K.

Specifications comparison

Intel Core i5-11400
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PRICE£129.13£345.74
CPU MARK1668225040
VALUE12972
SOCKETLGA 1200LGA 1200
TDP65W125W
EFFICIENCY257200
CORES6 x 2.60 GHz8 x 3.50 GHz
TURBO4.40 GHz5.20 GHz
THREADS29893511
DATEQ1/2021Q1/2021

AMD Equivalent to Intel Core i5-11400

NameCPU mark
Price
AMD Ryzen 5 4500
16091
£59.98
AMD Ryzen 5 4600G
16064
£77.97
AMD Ryzen 5 5600GT
20324
£108.97

AMD Equivalent to Intel Core i9-11900K

NameCPU mark
Price
AMD Ryzen 5 8600G
25293
£149.99
AMD Ryzen 7 5700
24304
£142.92
AMD Ryzen 7 5700X3D
26318
£175.89

Is Intel Core i5-11400 better than Intel Core i9-11900K?

When considering value for money, the Intel Core i5-11400 offers a better deal than the Intel Core i9-11900K by 44%.


The Intel Core i5-11400 is more energy-efficient considering its performance, with a power consumption of 65 watts and a CPUMark score of 16682. By comparing its benchmark score to its power consumption, we get an efficiency score of 257. The Intel Core i9-11900K efficiency score is 200. So, the Intel Core i5-11400 leads by 22%, making it the smarter choice in terms of power efficiency


The value score is calculated by comparing the benchmark score with the price.