Bbenchslop
CPU · Laptop · Intel

Intel Core i3-8121U

2C/4T · 15 W · Launched Oct 2018
Compare with rivalsCPU overall rankings

CPU overall vs rivals

Ryzen 5 7600 (ref)Core i5-7360UCore i5-7267UCore i3-8121U ◂Core i3-10110UPentium Gold G6405Ryzen 5 PRO 2500U0102030405018.618.918.718.618.550.018.6Intel Core i3-8121U This chip Laptop CPU Index 18.6Intel Core i5-7360U Just above in its segment Laptop CPU Index 18.9 1.02× Core i3-8121UIntel Core i5-7267U Just above in its segment Laptop CPU Index 18.7 1.01× Core i3-8121UIntel Core i3-10110U Just above in its segment Laptop CPU Index 18.6 1.00× Core i3-8121UAMD Ryzen 5 PRO 2500U Nearest competitor Laptop CPU Index 18.5 0.99× Core i3-8121UAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 2.69× Core i3-8121UIntel Pentium Gold G6405 Nearest desktop chip Desktop CPU Index 18.6 1.00× Core i3-8121U
Ryzen 5 7600 (ref)Core i5-7360UCore i5-7267UCore i3-8121U ◂Core i3-10110UPentium Gold G6405Ryzen 5 PRO 2500U0102030405018.618.918.718.618.550.018.6Intel Core i3-8121U This chip Laptop CPU Index 18.6Intel Core i5-7360U Just above in its segment Laptop CPU Index 18.9 1.02× Core i3-8121UIntel Core i5-7267U Just above in its segment Laptop CPU Index 18.7 1.01× Core i3-8121UIntel Core i3-10110U Just above in its segment Laptop CPU Index 18.6 1.00× Core i3-8121UAMD Ryzen 5 PRO 2500U Nearest competitor Laptop CPU Index 18.5 0.99× Core i3-8121UAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 2.69× Core i3-8121UIntel Pentium Gold G6405 Nearest desktop chip Desktop CPU Index 18.6 1.00× Core i3-8121U
CPU overall
18.6
0.37× refest.
CPU multi-thread
8.0
0.16× ref
CPU single-thread
23.3
0.47× ref
TDP
15.0 W
CPU overall per watt
1.24

CPU multi-thread, by benchmark

Geekbench Multi-Core 6Geekbench Multi-Core 7Cinebench multi-thread (NotebookCheck)PassMark CPU Mark0102030405010.68.96.38.3Geekbench Multi-Core, version 6 Index 10.6 (p10 10.4 – p90 10.9) Median 2,443 points (p10 2,411 – p90 2,521) 5 runs, 11 Nov 2025 – 13 Sept 2026 Geekbench BrowserGeekbench Multi-Core, version 7 Index 8.9 (p10 8.4 – p90 9.9) Median 2,171 points (p10 2,058 – p90 2,402) 8 runs, 14 Aug 2026 – 5 Sept 2026 Geekbench BrowserCinebench multi-thread (NotebookCheck), version R15 Index 6.3 Median 318 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 8.3 Median 4,286 points Source average of 39 results, fetched 6 Nov 2026 PassMark
GB MT 6GB MT 7Cinebench multi-th…PassMark CPU Mark0102030405010.68.96.38.3Geekbench Multi-Core, version 6 Index 10.6 (p10 10.4 – p90 10.9) Median 2,443 points (p10 2,411 – p90 2,521) 5 runs, 11 Nov 2025 – 13 Sept 2026 Geekbench BrowserGeekbench Multi-Core, version 7 Index 8.9 (p10 8.4 – p90 9.9) Median 2,171 points (p10 2,058 – p90 2,402) 8 runs, 14 Aug 2026 – 5 Sept 2026 Geekbench BrowserCinebench multi-thread (NotebookCheck), version R15 Index 6.3 Median 318 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 8.3 Median 4,286 points Source average of 39 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
Geekbench Multi-Core62,4432,411–2,521points5 runs10.611 Nov 2025 – 13 Sept 2026
Geekbench Multi-Core72,1712,058–2,402points8 runs8.914 Aug 2026 – 5 Sept 2026
Cinebench multi-thread (NotebookCheck)R15318–points1 avg.6.36 Nov 2026
PassMark CPU Markcurrent4,286–points39 avg.8.36 Nov 2026

CPU single-thread, by benchmark

Geekbench Single-Core 6Geekbench Single-Core 7Cinebench single-thread (NotebookCheck)PassMark Single Thread0102030405022.926.022.523.0Geekbench Single-Core, version 6 Index 22.9 (p10 20.6 – p90 25.5) Median 1,072 points (p10 961 – p90 1,191) 6 runs, 11 Nov 2025 – 13 Sept 2026 Geekbench BrowserGeekbench Single-Core, version 7 Index 26.0 (p10 24.9 – p90 26.2) Median 1,170 points (p10 1,119 – p90 1,177) 8 runs, 14 Aug 2026 – 5 Sept 2026 Geekbench BrowserCinebench single-thread (NotebookCheck), version R15 Index 22.5 Median 133 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 23.0 Median 1,899 points Source average of 39 results, fetched 6 Nov 2026 PassMark
GB ST 6GB ST 7Cinebench single-t…PassMark ST0102030405022.926.022.523.0Geekbench Single-Core, version 6 Index 22.9 (p10 20.6 – p90 25.5) Median 1,072 points (p10 961 – p90 1,191) 6 runs, 11 Nov 2025 – 13 Sept 2026 Geekbench BrowserGeekbench Single-Core, version 7 Index 26.0 (p10 24.9 – p90 26.2) Median 1,170 points (p10 1,119 – p90 1,177) 8 runs, 14 Aug 2026 – 5 Sept 2026 Geekbench BrowserCinebench single-thread (NotebookCheck), version R15 Index 22.5 Median 133 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 23.0 Median 1,899 points Source average of 39 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
Geekbench Single-Core61,072961–1,191points6 runs22.911 Nov 2025 – 13 Sept 2026
Geekbench Single-Core71,1701,119–1,177points8 runs26.014 Aug 2026 – 5 Sept 2026
Cinebench single-thread (NotebookCheck)R15133–points1 avg.22.56 Nov 2026
PassMark Single Threadcurrent1,899–points39 avg.23.06 Nov 2026

Over time

CPU multi-thread index
quarterly
7.88.08.2Apr2025JulOctJan2026AprJul2025-Q1 7.8 index 5 samples2026-Q3 8.0 index 10 samples
7.88.08.220262025-Q1 7.8 index 5 samples2026-Q3 8.0 index 10 samples
CPU single-thread index
quarterly
23.024.025.026.027.0Apr2025JulOctJan2026AprJul2025-Q1 26.3 index 5 samples2026-Q3 23.3 index 10 samples
23.024.025.026.027.020262025-Q1 26.3 index 5 samples2026-Q3 23.3 index 10 samples

Sources

Geekbench Browser27 runs13 Sept 2026NotebookCheck (CPUs)2 averages6 Nov 2026PassMark2 averages6 Nov 2026