Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench

Individual benchmark run

11th Gen Intel(R) Core(TM) i5-11400H @ 2.70GHz

11th Gen Intel(R) Core(TM) i5-11400H @ 2.70GHz · tested Jul 22, 2026, 4:40 PM · uploaded by @nuc

In Review · not yet included in the processor average

C score71,730ASM score: 64,963

System information

Processor
11th Gen Intel(R) Core(TM) i5-11400H @ 2.70GHz
Computer model
11th Gen Intel(R) Core(TM) i5-11400H @ 2.70GHz
Architecture
x86-64
Physical cores reported by run
6
Hardware threads reported by run
12
L1 cache
80 MB
L2 cache
1,280 MB
L3 cache
12,288 MB
Memory
15,667 MB
Operating system
Arch Linux
Kernel
Linux 7.1.4-zen1-1-zen
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 19 sec

Score summary

C multi-core71,730
C single-core14,348
ASM multi-core64,963
ASM single-core10,737

Test environment

Background monitoring
Available
Average background CPU use
0.9%
Peak background CPU use
2.7%
Available memory before test
12,192 MB
Running processes
311
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core64,870.93 Mops/s64,870.93 million work units/sec210,2100.57 seconds1,9341229579988096
Single-core7,947.44 Mops/s7,947.44 million work units/sec25,7530.52 seconds2,58114249616970
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core61,034.74 Mops/s61,034.74 million work units/sec197,7790.51 seconds1,0801215193957021944013460
Single-core7,133.71 Mops/s7,133.71 million work units/sec23,1160.43 seconds1,289113817973518821826140
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core11,535.69 Mops/s11,535.69 million work units/sec68,5830.55 seconds26212130254294878577384
Single-core1,244.45 Mops/s1,244.45 million work units/sec7,3990.52 seconds32414622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,207.1 Mcand/s1,207.1 million work units/sec14,8660.52 seconds261246467096
Single-core751.54 Mcand/s751.54 million work units/sec9,2550.52 seconds195129041935
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core131,801.66 Mops/s131,801.66 million work units/sec200,4280.52 seconds1,784127403684064
Single-core22,838.21 Mops/s22,838.21 million work units/sec34,7300.52 seconds3,70313872806685
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core5,024.41 MB/s5,024.41 million work units/sec74,5460.52 seconds52121048306272
Single-core611.22 MB/s611.22 million work units/sec9,0690.5 seconds731122638394
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core4,234.08 MB/s4,234.08 million work units/sec104,2880.53 seconds1781226154742500
Single-core560.63 MB/s560.63 million work units/sec13,8090.5 seconds26512676429641
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,293.69 Mpair/s1,293.69 million work units/sec20,5020.54 seconds22112387168996988564560
Single-core248.68 Mpair/s248.68 million work units/sec3,9410.52 seconds49014640422951215945541
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,213.59 Mkey-cmp/s1,213.59 million work units/sec33,4320.62 seconds31215985233784100317948
Single-core224.22 Mkey-cmp/s224.22 million work units/sec6,1770.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core93.53 ns/access128.3 million work units/sec16,2400.56 seconds61291671064
Single-core37.07 ns/access26.97 million work units/sec3,4140.52 seconds141765736
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core25,487.71 MB/s25,487.71 million work units/sec79,6490.5 seconds851212754851264
Single-core27,422.84 MB/s27,422.84 million work units/sec85,6960.47 seconds1,03311069178760