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

Individual benchmark run

AMD Ryzen 7 5800X 8-Core Processor

AMD Ryzen 7 5800X 8-Core Processor · tested Jul 21, 2026, 1:01 AM · uploaded by @ethxn

Admin reviewed · included in the processor average

C score129,661ASM score: 116,098

System information

Processor
AMD Ryzen 7 5800X 8-Core Processor
Computer model
AMD Ryzen 7 5800X 8-Core Processor
Architecture
x86-64
Physical cores reported by run
8
Hardware threads reported by run
16
L1 cache
64 MB
L2 cache
512 MB
L3 cache
32,768 MB
Memory
32,017 MB
Operating system
Debian GNU/Linux 12 (bookworm)
Kernel
Linux 6.8.12-14-pve
Compiler
GCC 13.3.0
FOSSbench version
0.4.0
Total test time
1 min 19 sec

Score summary

C multi-core129,661
C single-core17,535
ASM multi-core116,098
ASM single-core14,998

Test environment

Background monitoring
Available
Average background CPU use
0.1%
Peak background CPU use
0.3%
Available memory before test
30,536 MB
Running processes
267
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core85,570.31 Mops/s85,570.31 million work units/sec277,2860.58 seconds1,9341639439984128
Single-core9,094.65 Mops/s9,094.65 million work units/sec29,4710.52 seconds2,95511076149285
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core98,782.88 Mops/s98,782.88 million work units/sec320,1000.5 seconds1,2891618173391490344150464
Single-core8,282.57 Mops/s8,282.57 million work units/sec26,8390.56 seconds1,93411003833297048177299
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core18,849.04 Mops/s18,849.04 million work units/sec112,0630.53 seconds31216173672393171436512
Single-core1,336.68 Mops/s1,336.68 million work units/sec7,9470.52 seconds34614622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core7,554 Mcand/s7,554 million work units/sec93,0300.51 seconds12016285951360
Single-core1,214.22 Mcand/s1,214.22 million work units/sec14,9540.53 seconds323148105359
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core196,557.99 Mops/s196,557.99 million work units/sec298,9020.53 seconds2,020162627732544
Single-core25,767.47 Mops/s25,767.47 million work units/sec39,1840.52 seconds4,15413841672976
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core9,826.94 MB/s9,826.94 million work units/sec145,8000.5 seconds73161962214304
Single-core840.11 MB/s840.11 million work units/sec12,4650.55 seconds1101184797580
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core6,724.03 MB/s6,724.03 million work units/sec165,6170.53 seconds2121640972068208
Single-core591.47 MB/s591.47 million work units/sec14,5680.47 seconds26512676429641
Physics512-body direct-sum gravity10% of overall scoreMulti-core2,010.39 Mpair/s2,010.39 million work units/sec31,8600.53 seconds2551691351161255637280
Single-core236.63 Mpair/s236.63 million work units/sec3,7500.51 seconds46014626722127417540432
Sortingheapsort, 1M uint3210% of overall scoreMulti-core2,370.71 Mkey-cmp/s2,370.71 million work units/sec65,3090.57 seconds4160
Single-core275.73 Mkey-cmp/s275.73 million work units/sec7,5960.53 seconds714406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core85.16 ns/access187.88 million work units/sec23,7820.6 seconds716149891648
Single-core13.49 ns/access74.12 million work units/sec9,3820.53 seconds3915218336
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core30,927.01 MB/s30,927.01 million work units/sec96,6470.5 seconds771616824510976
Single-core46,163.6 MB/s46,163.6 million work units/sec144,2610.51 seconds1,88611062146272