Intel Core i3-8121U: CPU Specs and Performance, Benchmarks
The Intel Core i3-8121U is a 2-core and 4-thread processor configuration with a base clock speed of 2200 MHz. The CPU specifications and performance tests (benchmarks) are listed below.
Performance (Benchmarks)
- Geekbench 5 Single-Core Score
- 799
- Geekbench 5 Multi-Core Score
- 1858
- PassMark CPU Mark Rating
- 4369
- PassMark Single Thread Rating
- 1921
Processor Specs
- Processor
- Intel Core i3-8121U
- Frequency
- 2200 MHz
- Maximum Frequency
- 3200 MHz
- Cores
- 2
- Threads
- 4
- TDP
- 15 W
- Codename
- Cannon Lake

Geekbench 5 Benchmark
- Single-Core Score
- 788
- Multi-Core Score
- 1851
- Benchmark
- Geekbench 5.2.3 Tryout for Windows x86 (64-bit)
System Information
- Operating System
- Microsoft Windows 10 Home (64-bit)
- Model
- Intel(R) Client Systems NUC8i3CYS
- Motherboard
- Intel Corporation NUC8CYB
- Power Plan
- Balanced
CPU Specifications
- Name
- Intel Core i3-8121U
- Topology
- 1 Processor, 2 Cores, 4 Threads
- Identifier
- GenuineIntel Family 6 Model 102 Stepping 3
- Base Frequency
- 2.21 GHz
- Maximum Frequency
- 3.19 GHz
- Codename
- Skylake
- L1 Instruction Cache
- 32.0 KB x 2
- L1 Data Cache
- 32.0 KB x 2
- L2 Cache
- 256 KB x 2
- L3 Cache
- 4.00 MB x 1
Memory Information
- Size
- 7.94 GB
Geekbench 5 result (single)
| Single-Core Score | 788 |
|---|---|
| Crypto Score | 1418 |
| Integer Score | 698 |
| Floating Point Score | 877 |
| AES-XTS | 1418 2.42 GB/sec |
| Text Compression (LZMA) | 555 2.81 MB/sec |
| Image Compression | 674 31.9 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 654 1.84 MTE/sec |
| HTML5 | 617 725.0 KElements/sec |
| SQLite | 672 210.6 Krows/sec |
| PDF Rendering | 807 43.8 Mpixels/sec |
| Text Rendering | 786 250.3 KB/sec |
| Clang | 786 6.12 Klines/sec |
| Camera | 778 9.02 images/sec |
| N-Body Physics | 585 731.3 Kpairs/sec |
| Rigid Body Physics | 842 5219.3 FPS |
| Gaussian Blur | 783 43.1 Mpixels/sec |
| Face Detection | 801 6.17 images/sec |
| Horizon Detection | 770 19.0 Mpixels/sec |
| Image Inpainting | 1314 64.5 Mpixels/sec |
| HDR | 1545 21.1 Mpixels/sec |
| Ray Tracing | 1030 827.4 Kpixels/sec |
| Structure from Motion | 752 6.73 Kpixels/sec |
| Speech Recognition | 681 21.8 Words/sec |
| Machine Learning | 924 35.7 images/sec |
Geekbench 5 result (multi)
| Multi-Core Score | 1851 |
|---|---|
| Crypto Score | 3973 |
| Integer Score | 1706 |
| Floating Point Score | 1810 |
| AES-XTS | 3973 6.77 GB/sec |
| Text Compression (LZMA) | 1538 7.78 MB/sec |
| Image Compression | 2053 97.1 Mpixels/sec |
| Navigation (using Dijkstra's algorithm) | 1733 4.89 MTE/sec |
| HTML5 | 1386 1.63 MElements/sec |
| SQLite | 1726 540.7 Krows/sec |
| PDF Rendering | 1905 103.4 Mpixels/sec |
| Text Rendering | 1737 553.4 KB/sec |
| Clang | 1761 13.7 Klines/sec |
| Camera | 1608 18.6 images/sec |
| N-Body Physics | 1476 1.85 Mpairs/sec |
| Rigid Body Physics | 2142 13268.0 FPS |
| Gaussian Blur | 1391 76.5 Mpixels/sec |
| Face Detection | 1456 11.2 images/sec |
| Horizon Detection | 1727 42.6 Mpixels/sec |
| Image Inpainting | 2630 129.0 Mpixels/sec |
| HDR | 3254 44.3 Mpixels/sec |
| Ray Tracing | 2175 1.75 Mpixels/sec |
| Structure from Motion | 1604 14.4 Kpixels/sec |
| Speech Recognition | 1338 42.8 Words/sec |
| Machine Learning | 1544 59.7 images/sec |