Intel Core i3-8121U

Intel Core i3-8121U Benchmark

Intel Core i3-8121U Processor benchmark, specs and release date - 2 GHz 2 core Intel CPU rating. Is the Core i3-8121U good for gaming?

CPU Benchmark Score

30 %
Good score from 1 sample
High uncertainty

Ranked 600th out of 1,337 in the CPU Database.

Overall Gaming Multitasking Heavy Workloads
30 % 51 % 24 % 23 %
Good Very Good Average Average

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Geekbench (multi)
Geekbench (multi)
Geekbench (single)
Geekbench (single)
1,897 818

Compare these benchmarks and specs using our CPU Comparison Tool.

CPU Comparison

The Intel Core i3-8121U compared against popular alternatives. Compare against more CPUs with our CPU Comparison Tool.

Intel Core i7-4800MQ
31 %
Intel Core i3-6300
30 %
AMD FX-8350
30 %
Intel Core i3-8121U
30 %
Intel Core i3-6320
30 %
Intel Core i5-4670K
28 %
Intel Core i5-6400T
16 %


Clock Speed 2.2 GHz
Cores 2
Threads 4
L1 Cache 128 KiB
L2 Cache 512 KiB
L3 Cache 4 MiB
Release Date 2018-05-05
Has Unlocked Multiplier No
TDP 15 W

Intel Core i3-8121U

The Core i3-8121U is a 2 core CPU from Intel released in 2018. This chip has a good overall score at 30% in our CPU benchmark. Our gaming benchmark shows that this CPU is a very good processor for gaming, with a score of 51%. As for multitasking and heavy workloads, the Core i3-8121U scores 24% and 23% respectively. Indeed, this is an average rating for very heavy workloads.

The Core i3-8121U has 2 cores and 4 threads. This CPU makes use of simultaneous multithreading technology to improve performance on parallel tasks. Each physical CPU core is divided into multiple logical processors. This Intel CPU has a clock speed of 2.2 GHz. This CPU has a locked multiplier, so you are not able to overclock it beyond this frequency.

In terms of cache, the Core i3-8121U has 128 KiB of level 1 cache, 0 MiB of level 2 cache and 4 MiB of level 3 cache. This is a fast memory located close to the processor, which stores copies of frequently used data from main memory.

Power and thermals for the Intel Core i3-8121U CPU are a TDP (Thermal Design Power) of 15 watts. This measures the amount of heat the processor produces when running at full load. This isn't a measure of power consumption, but it's good estimate.

To figure out your PCs processor specs and performance, download our free CPU Benchmark utility.


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