Bbenchslop
CPU · Desktop · Intel

Intel Core i9-11900KB

8C/16T · 65 W · Launched Jul 2021
Compare with rivalsCPU overall rankings

CPU overall vs rivals

Ryzen 5 7600 (ref)Core i5-11600KFCore i9-11900KB ◂Ryzen 5 220Core i5-12500HCore i3-14100FCore i9-10900F0102030405041.341.441.341.241.250.041.3Intel Core i9-11900KB This chip Desktop CPU Index 41.3Intel Core i5-11600KF Just above in its segment Desktop CPU Index 41.4 1.00× Core i9-11900KBAMD Ryzen 5 220 Nearest competitor Desktop CPU Index 41.3 1.00× Core i9-11900KBIntel Core i3-14100F Just below in its segment Desktop CPU Index 41.2 1.00× Core i9-11900KBIntel Core i9-10900F Just below in its segment Desktop CPU Index 41.2 1.00× Core i9-11900KBAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 1.21× Core i9-11900KBIntel Core i5-12500H Nearest laptop chip Laptop CPU Index 41.3 1.00× Core i9-11900KB
Ryzen 5 7600 (ref)Core i5-11600KFCore i9-11900KB ◂Ryzen 5 220Core i5-12500HCore i3-14100FCore i9-10900F0102030405041.341.441.341.241.250.041.3Intel Core i9-11900KB This chip Desktop CPU Index 41.3Intel Core i5-11600KF Just above in its segment Desktop CPU Index 41.4 1.00× Core i9-11900KBAMD Ryzen 5 220 Nearest competitor Desktop CPU Index 41.3 1.00× Core i9-11900KBIntel Core i3-14100F Just below in its segment Desktop CPU Index 41.2 1.00× Core i9-11900KBIntel Core i9-10900F Just below in its segment Desktop CPU Index 41.2 1.00× Core i9-11900KBAMD Ryzen 5 7600 Reference chip Desktop CPU Index 50.0 1.21× Core i9-11900KBIntel Core i5-12500H Nearest laptop chip Laptop CPU Index 41.3 1.00× Core i9-11900KB
CPU overall
41.3
0.83× refest.
CPU multi-thread
40.1
0.80× ref
CPU single-thread
41.3
0.83× ref
TDP
65.0 W
CPU overall per watt
0.64

CPU multi-thread, by benchmark

Blender (CPU)7-Zip multi-thread (NotebookCheck)Cinebench multi-thread (NotebookCheck) 2024Cinebench multi-thread (NotebookCheck) R15Cinebench multi-thread (NotebookCheck) R20Cinebench multi-thread (NotebookCheck) R23x265 (NotebookCheck)PassMark CPU Mark0102030405039.738.537.640.339.738.339.943.8Blender (CPU), version 4 Index 39.7 (p10 32.7 – p90 46.5) Median 154 samples/min (p10 127 – p90 181) 5 runs, 14 Jun 2025 – 29 Oct 2025 Blender Open Data7-Zip multi-thread (NotebookCheck), version 18.03 Index 38.5 Median 50.2k MIPS Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version 2024 Index 37.6 Median 636 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R15 Index 40.3 Median 2,027 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R20 Index 39.7 Median 4,644 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R23 Index 38.3 Median 11.7k points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)x265 (NotebookCheck), version 1 Index 39.9 Median 14.4 fps Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 43.8 Median 22.7k points Source average of 142 results, fetched 6 Nov 2026 PassMark
Blender (CPU)7-Zip multi-thread…Cinebench multi-th…Cinebench multi-th…Cinebench multi-th…Cinebench multi-th…x265 (NotebookChec…PassMark CPU Mark0102030405039.738.537.640.339.738.339.943.8Blender (CPU), version 4 Index 39.7 (p10 32.7 – p90 46.5) Median 154 samples/min (p10 127 – p90 181) 5 runs, 14 Jun 2025 – 29 Oct 2025 Blender Open Data7-Zip multi-thread (NotebookCheck), version 18.03 Index 38.5 Median 50.2k MIPS Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version 2024 Index 37.6 Median 636 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R15 Index 40.3 Median 2,027 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R20 Index 39.7 Median 4,644 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench multi-thread (NotebookCheck), version R23 Index 38.3 Median 11.7k points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)x265 (NotebookCheck), version 1 Index 39.9 Median 14.4 fps Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark CPU Mark Index 43.8 Median 22.7k points Source average of 142 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
Blender (CPU)4154127–181samples/min5 runs39.714 Jun 2025 – 29 Oct 2025
7-Zip multi-thread (NotebookCheck)18.0350.2k–MIPS1 avg.38.56 Nov 2026
Cinebench multi-thread (NotebookCheck)2024636–points1 avg.37.66 Nov 2026
Cinebench multi-thread (NotebookCheck)R152,027–points1 avg.40.36 Nov 2026
Cinebench multi-thread (NotebookCheck)R204,644–points1 avg.39.76 Nov 2026
Cinebench multi-thread (NotebookCheck)R2311.7k–points1 avg.38.36 Nov 2026
x265 (NotebookCheck)114.4–fps1 avg.39.96 Nov 2026
PassMark CPU Markcurrent22.7k–points142 avg.43.86 Nov 2026

CPU single-thread, by benchmark

7-Zip single-thread (NotebookCheck)Cinebench single-thread (NotebookCheck) 2024Cinebench single-thread (NotebookCheck) R15Cinebench single-thread (NotebookCheck) R20Cinebench single-thread (NotebookCheck) R23PassMark Single Thread0102030405042.540.241.942.442.039.97-Zip single-thread (NotebookCheck), version 18.03 Index 42.5 Median 5,979 MIPS Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version 2024 Index 40.2 Median 95.0 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R15 Index 41.9 Median 247 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R20 Index 42.4 Median 629 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R23 Index 42.0 Median 1,621 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 39.9 Median 3,295 points Source average of 142 results, fetched 6 Nov 2026 PassMark
7-Zip single-threa…Cinebench single-t…Cinebench single-t…Cinebench single-t…Cinebench single-t…PassMark ST0102030405042.540.241.942.442.039.97-Zip single-thread (NotebookCheck), version 18.03 Index 42.5 Median 5,979 MIPS Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version 2024 Index 40.2 Median 95.0 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R15 Index 41.9 Median 247 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R20 Index 42.4 Median 629 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)Cinebench single-thread (NotebookCheck), version R23 Index 42.0 Median 1,621 points Source average of 1 results, fetched 6 Nov 2026 NotebookCheck (CPUs)PassMark Single Thread Index 39.9 Median 3,295 points Source average of 142 results, fetched 6 Nov 2026 PassMark
Results table
BenchmarkVersionMedianp10–p90UnitSamplesIndexDates
7-Zip single-thread (NotebookCheck)18.035,979–MIPS1 avg.42.56 Nov 2026
Cinebench single-thread (NotebookCheck)202495.0–points1 avg.40.26 Nov 2026
Cinebench single-thread (NotebookCheck)R15247–points1 avg.41.96 Nov 2026
Cinebench single-thread (NotebookCheck)R20629–points1 avg.42.46 Nov 2026
Cinebench single-thread (NotebookCheck)R231,621–points1 avg.42.06 Nov 2026
PassMark Single Threadcurrent3,295–points142 avg.39.96 Nov 2026

Sources

Blender Open Data5 runs29 Oct 2025NotebookCheck (CPUs)11 averages6 Nov 2026PassMark2 averages6 Nov 2026