Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›AMD Custom APU 0405›Individual run

Individual benchmark run

AMD Custom APU 0405

AMD Custom APU 0405 · tested Sep 13, 2026, 1:19 PM · uploaded by @l_28

In Review · not yet included in the processor average

C score35,413ASM score: 29,152

System information

Processor
AMD Custom APU 0405
Computer model
AMD Custom APU 0405
Architecture
x86-64
Physical cores reported by run
4
Hardware threads reported by run
8
L1 cache
64 KB
L2 cache
512 KB
L3 cache
4 MB
Memory
14,805 MB
Operating system
SteamOS
Kernel
Linux 6.16.12-valve24.5-1-neptune-616-gb2f7cfe85e45
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 16 sec

Score summary

C multi-core35,413
C single-core10,552
ASM multi-core29,152
ASM single-core8,112

Test environment

Background monitoring
Available
Average background CPU use
4.6%
Peak background CPU use
7%
Available memory before test
11,093 MB
Running processes
317
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core36,933.68 Mops/s36,933.68 million work units/sec119,6810.45 seconds1,28987476184712
Single-core6,072.3 Mops/s6,072.3 million work units/sec19,6770.52 seconds1,97211449322784
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core34,840.35 Mops/s34,840.35 million work units/sec112,8980.46 seconds82681076747529558528488
Single-core5,956.18 Mops/s5,956.18 million work units/sec19,3010.52 seconds1,289113817973518821826140
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core6,174.79 Mops/s6,174.79 million work units/sec36,7110.42 seconds161886836196585718256
Single-core977.2 Mops/s977.2 million work units/sec5,8100.52 seconds25514622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core345.58 Mcand/s345.58 million work units/sec4,2560.42 seconds9810723176
Single-core827.35 Mcand/s827.35 million work units/sec10,1890.53 seconds220132765260
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core56,011.49 Mops/s56,011.49 million work units/sec85,1760.51 seconds1,106812445580656
Single-core12,634.89 Mops/s12,634.89 million work units/sec19,2140.52 seconds2,04612271695593
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core3,178.89 MB/s3,178.89 million work units/sec47,1650.46 seconds448591352256
Single-core571.11 MB/s571.11 million work units/sec8,4730.53 seconds721120958416
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core2,154.85 MB/s2,154.85 million work units/sec53,0750.51 seconds1308514482368
Single-core448.5 MB/s448.5 million work units/sec11,0470.52 seconds22311550542278
Physics512-body direct-sum gravity10% of overall scoreMulti-core538.18 Mpair/s538.18 million work units/sec8,5290.52 seconds1348220617498413830720
Single-core144.78 Mpair/s144.78 million work units/sec2,2940.48 seconds26514635798535246014506
Sortingheapsort, 1M uint3210% of overall scoreMulti-core434.68 Mkey-cmp/s434.68 million work units/sec11,9750.39 seconds1816805737213970062504
Single-core132 Mkey-cmp/s132 million work units/sec3,6360.64 seconds410
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core147.06 ns/access54.4 million work units/sec6,8860.59 seconds4867200024
Single-core110.55 ns/access9.05 million work units/sec1,1450.55 seconds5115862320
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core21,591.58 MB/s21,591.58 million work units/sec67,4740.53 seconds11388339403264
Single-core16,240.83 MB/s16,240.83 million work units/sec50,7530.52 seconds67211067982080