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

Individual benchmark run

Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4

Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4 · tested Jul 21, 2026, 3:11 AM

In Review · not yet included in the processor average

C score44,388ASM score: 32,990

System information

Processor
Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4
Computer model
Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4
Architecture
ARM64
Physical cores reported by run
8
Hardware threads reported by run
8
L1 cache
1 MB
L2 cache
1 MB
L3 cache
1 MB
Memory
15,583 MB
Operating system
Linux
Kernel
Linux 6.1.157-android14-11-gbd23337e42e7-ab14791245
Compiler
Clang 21.1.8
FOSSbench version
0.4.0
Total test time
1 min 15 sec

Score summary

C multi-core44,388
C single-core15,711
ASM multi-core32,990
ASM single-core11,013

Test environment

Background monitoring
Unavailable
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
Not reported
Running processes
-1
Activity sample duration
0 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core34,037.76 Mops/s34,037.76 million work units/sec110,2970.44 seconds1,163825092705768
Single-core7,040.75 Mops/s7,040.75 million work units/sec22,8150.52 seconds2,29113668606016
Wide Integer Math64-bit ALU: madd, umulh, udiv, bitops10% of overall scoreMulti-core24,794.56 Mops/s24,794.56 million work units/sec80,3450.45 seconds58787080478447486585328
Single-core6,161.67 Mops/s6,161.67 million work units/sec19,9670.5 seconds1,289113817973518821826140
Floating Point Mathdouble: fmadd, fdiv, fsqrt10% of overall scoreMulti-core4,932.08 Mops/s4,932.08 million work units/sec29,3230.42 seconds128886836196585718256
Single-core1,400.24 Mops/s1,400.24 million work units/sec8,3250.52 seconds36414622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,716.28 Mcand/s1,716.28 million work units/sec21,1360.48 seconds52861956128
Single-core835.85 Mcand/s835.85 million work units/sec10,2940.5 seconds209131126997
Extended InstructionsNEON ASIMD: 128-bit integer + float10% of overall scoreMulti-core63,749.45 Mops/s63,749.45 million work units/sec96,9430.52 seconds1,298829590409696
Single-core22,153.66 Mops/s22,153.66 million work units/sec33,6890.44 seconds3,04511726805455
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core2,723.93 MB/s2,723.93 million work units/sec40,4140.49 seconds408537592960
Single-core668.68 MB/s668.68 million work units/sec9,9210.46 seconds731122638394
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core2,155.06 MB/s2,155.06 million work units/sec53,0800.5 seconds128814138942768
Single-core656.62 MB/s656.62 million work units/sec16,1730.51 seconds32211449032929
Physics512-body direct-sum gravity10% of overall scoreMulti-core939.07 Mpair/s939.07 million work units/sec14,8820.42 seconds1888106930830936644392
Single-core397.55 Mpair/s397.55 million work units/sec6,3000.51 seconds77414637020232259672990
Sortingheapsort, 1M uint3210% of overall scoreMulti-core643.96 Mkey-cmp/s643.96 million work units/sec17,7400.52 seconds280
Single-core329.42 Mkey-cmp/s329.42 million work units/sec9,0750.51 seconds810
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core214.58 ns/access37.28 million work units/sec4,7190.64 seconds3872328472
Single-core97.23 ns/access10.28 million work units/sec1,3020.58 seconds615246208
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core31,507.51 MB/s31,507.51 million work units/sec98,4610.62 seconds19488389661184
Single-core24,297.17 MB/s24,297.17 million work units/sec75,9290.48 seconds91811068863536