Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4›Individual run

Individual benchmark run

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

Arm Cortex-A520 + Arm Cortex-A720 + Arm Cortex-X4 · tested Aug 27, 2026, 5:13 PM · uploaded by @toyotaae86trueno

In Review · not yet included in the processor average

C score39,211ASM score: 28,863

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
11,297 MB
Operating system
Linux
Kernel
Linux 6.1.118-android14-11-o-gea0943343627
Compiler
Clang 21.1.8
FOSSbench version
0.4.2
Total test time
1 min 20 sec

Score summary

C multi-core39,211
C single-core8,356
ASM multi-core28,863
ASM single-core6,464

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-core32,111.88 Mops/s32,111.88 million work units/sec104,0570.46 seconds1,14388155578904
Single-core5,471.19 Mops/s5,471.19 million work units/sec17,7290.62 seconds2,11413711978475
Wide Integer Math64-bit ALU: madd, umulh, udiv, bitops10% of overall scoreMulti-core28,138.93 Mops/s28,138.93 million work units/sec91,1830.43 seconds637815770070612817413776
Single-core3,639.4 Mops/s3,639.4 million work units/sec11,7930.79 seconds1,203118118853205266512672
Floating Point Mathdouble: fmadd, fdiv, fsqrt10% of overall scoreMulti-core5,152.76 Mops/s5,152.76 million work units/sec30,6350.44 seconds143886836196585718256
Single-core925.81 Mops/s925.81 million work units/sec5,5040.52 seconds24214622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core604.26 Mcand/s604.26 million work units/sec7,4420.58 seconds22826212208
Single-core343.08 Mcand/s343.08 million work units/sec4,2250.43 seconds73110872109
Extended InstructionsNEON ASIMD: 128-bit integer + float10% of overall scoreMulti-core60,650.88 Mops/s60,650.88 million work units/sec92,2310.48 seconds1,126823498066600
Single-core10,425.17 Mops/s10,425.17 million work units/sec15,8530.52 seconds1,6961648135001
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core2,502.41 MB/s2,502.41 million work units/sec37,1280.51 seconds388510713312
Single-core412.1 MB/s412.1 million work units/sec6,1140.53 seconds52187358856
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core2,244.22 MB/s2,244.22 million work units/sec55,2760.49 seconds132830320050000
Single-core347.3 MB/s347.3 million work units/sec8,5540.52 seconds1721638994665
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,008.93 Mpair/s1,008.93 million work units/sec15,9890.59 seconds2868116794826072676144
Single-core182.24 Mpair/s182.24 million work units/sec2,8880.57 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core387.68 Mkey-cmp/s387.68 million work units/sec10,6800.43 seconds1816805737213970062504
Single-core97.67 Mkey-cmp/s97.67 million work units/sec2,6910.64 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core163.46 ns/access48.94 million work units/sec6,1950.49 seconds3872328472
Single-core186.46 ns/access5.36 million work units/sec6790.56 seconds3114416032
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core39,321.49 MB/s39,321.49 million work units/sec122,8800.51 seconds20188500107392
Single-core16,954.91 MB/s16,954.91 million work units/sec52,9840.52 seconds70011058939328