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

Individual benchmark run

Intel(R) Pentium(R) CPU 4405U @ 2.10GHz

Intel(R) Pentium(R) CPU 4405U @ 2.10GHz · tested Aug 26, 2026, 11:30 PM · uploaded by @toyotaae86trueno

In Review · not yet included in the processor average

C score12,421ASM score: 10,577

System information

Processor
Intel(R) Pentium(R) CPU 4405U @ 2.10GHz
Computer model
Intel(R) Pentium(R) CPU 4405U @ 2.10GHz
Architecture
x86-64
Physical cores reported by run
2
Hardware threads reported by run
4
L1 cache
64 MB
L2 cache
256 MB
L3 cache
2,048 MB
Memory
7,355 MB
Operating system
Arch Linux
Kernel
Linux 7.1.3-arch1-1
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 20 sec

Score summary

C multi-core12,421
C single-core5,940
ASM multi-core10,577
ASM single-core4,463

Test environment

Background monitoring
Available
Average background CPU use
1.6%
Peak background CPU use
3%
Available memory before test
6,690 MB
Running processes
143
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core11,303.33 Mops/s11,303.33 million work units/sec36,6280.53 seconds929415572305716
Single-core3,790.11 Mops/s3,790.11 million work units/sec12,2820.52 seconds1,23314275771833
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core10,084.26 Mops/s10,084.26 million work units/sec32,6770.52 seconds55042631628978522432880
Single-core3,087.39 Mops/s3,087.39 million work units/sec10,0040.52 seconds670115224984086295058609
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core2,055.39 Mops/s2,055.39 million work units/sec12,2200.53 seconds136443418098292859128
Single-core571.59 Mops/s571.59 million work units/sec3,3980.53 seconds15114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core143.27 Mcand/s143.27 million work units/sec1,7640.5 seconds945361588
Single-core253.08 Mcand/s253.08 million work units/sec3,1170.54 seconds68110127444
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core21,529.46 Mops/s21,529.46 million work units/sec32,7390.58 seconds97441174036000
Single-core10,644.47 Mops/s10,644.47 million work units/sec16,1870.52 seconds1,73114105597645
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core655.62 MB/s655.62 million work units/sec9,7270.54 seconds214141118152
Single-core238.75 MB/s238.75 million work units/sec3,5420.53 seconds30150399340
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core719.76 MB/s719.76 million work units/sec17,7280.53 seconds91414647607072
Single-core264.07 MB/s264.07 million work units/sec6,5040.52 seconds13213790006250
Physics512-body direct-sum gravity10% of overall scoreMulti-core231.66 Mpair/s231.66 million work units/sec3,6710.53 seconds116476920987704152648
Single-core98.7 Mpair/s98.7 million work units/sec1,5640.52 seconds19714627673431468409070
Sortingheapsort, 1M uint3210% of overall scoreMulti-core198.85 Mkey-cmp/s198.85 million work units/sec5,4780.84 seconds240
Single-core86.3 Mkey-cmp/s86.3 million work units/sec2,3770.73 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core187.92 ns/access21.29 million work units/sec2,6940.94 seconds5441038408
Single-core102.43 ns/access9.76 million work units/sec1,2360.51 seconds5115862320
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core9,547.98 MB/s9,547.98 million work units/sec29,8370.49 seconds9344273826976
Single-core9,688.05 MB/s9,688.05 million work units/sec30,2750.52 seconds40311058635952