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

Individual benchmark run

AMD Phenom(tm) II X4 965 Processor

AMD Phenom(tm) II X4 965 Processor · tested Aug 5, 2026, 8:12 PM

In Review · not yet included in the processor average

C score10,530ASM score: 10,570

System information

Processor
AMD Phenom(tm) II X4 965 Processor
Computer model
AMD Phenom(tm) II X4 965 Processor
Architecture
x86 32-bit
Physical cores reported by run
4
Hardware threads reported by run
4
L1 cache
128 MB
L2 cache
512 MB
L3 cache
6,144 MB
Memory
3,276 MB
Operating system
Debian GNU/Linux 13 (trixie)
Kernel
Linux 5.10.240-antix.1-486-smp
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 18 sec

Score summary

C multi-core10,530
C single-core3,215
ASM multi-core10,570
ASM single-core3,243

Test environment

Background monitoring
Available
Average background CPU use
3.7%
Peak background CPU use
4%
Available memory before test
2,544 MB
Running processes
179
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core4,282.05 Mops/s4,282.05 million work units/sec13,8760.49 seconds325412246828016
Single-core1,168.69 Mops/s1,168.69 million work units/sec3,7870.52 seconds38013369327554
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core1,100.57 Mops/s1,100.57 million work units/sec3,5660.46 seconds5347426169159258116868
Single-core296.78 Mops/s296.78 million work units/sec9620.53 seconds6517447093459353276653
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core1,123.68 Mops/s1,123.68 million work units/sec6,6810.45 seconds63443418098292859128
Single-core314.12 Mops/s314.12 million work units/sec1,8680.5 seconds7914622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core561.39 Mcand/s561.39 million work units/sec6,9140.51 seconds36421446352
Single-core156.25 Mcand/s156.25 million work units/sec1,9240.52 seconds4116106253
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core26,577.82 Mops/s26,577.82 million work units/sec40,4160.51 seconds1,05842107706604
Single-core7,037.15 Mops/s7,037.15 million work units/sec10,7010.52 seconds1,14411469877569
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core714.68 MB/s714.68 million work units/sec10,6040.49 seconds214141118152
Single-core194.19 MB/s194.19 million work units/sec2,8810.54 seconds25141999450
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core986.95 MB/s986.95 million work units/sec24,3090.5 seconds11847962396252
Single-core266.99 MB/s266.99 million work units/sec6,5760.52 seconds13312806668635
Physics512-body direct-sum gravity10% of overall scoreMulti-core175.51 Mpair/s175.51 million work units/sec2,7810.48 seconds814112474050888870128
Single-core48.62 Mpair/s48.62 million work units/sec7700.52 seconds9714641033652370347410
Sortingheapsort, 1M uint3210% of overall scoreMulti-core314.64 Mkey-cmp/s314.64 million work units/sec8,6680.53 seconds240
Single-core101.05 Mkey-cmp/s101.05 million work units/sec2,7840.62 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core56.46 ns/access70.84 million work units/sec8,9680.45 seconds8412664312
Single-core26.66 ns/access37.51 million work units/sec4,7480.51 seconds1913443312
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core9,345.72 MB/s9,345.72 million work units/sec29,2050.45 seconds8444255702272
Single-core6,637.69 MB/s6,637.69 million work units/sec20,7430.5 seconds26411065488960