Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz›Individual run

Individual benchmark run

Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz

PowerEdge R720 · tested Oct 17, 2026, 2:24 AM

In Review · not yet included in the processor average

C score42,286ASM score: 37,518

System information

Processor
Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
Computer model
PowerEdge R720
Architecture
x86-64
Physical cores reported by run
16
Hardware threads reported by run
32
L1 cache
32 KB
L2 cache
256 KB
L3 cache
20 MB
Memory
262,076 MB
Operating system
Windows 10.0 (build 20348)
Kernel
NT 10.0 build 20348
Compiler
GCC 13-win32
FOSSbench version
0.4.2
Total test time
1 min 21 sec

Score summary

C multi-core42,286
C single-core4,134
ASM multi-core37,518
ASM single-core2,525

Test environment

Background monitoring
Available
Average background CPU use
0.9%
Peak background CPU use
1.9%
Available memory before test
225,649 MB
Running processes
192
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core34,915.3 Mops/s34,915.3 million work units/sec113,1410.42 seconds2853271342561024
Single-core2,363.39 Mops/s2,363.39 million work units/sec7,6580.45 seconds66112590887690
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core29,597.91 Mops/s29,597.91 million work units/sec95,9100.42 seconds161323846009730456251936
Single-core2,173.17 Mops/s2,173.17 million work units/sec7,0420.4 seconds35811290717105917335444
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core4,233.69 Mops/s4,233.69 million work units/sec25,1710.47 seconds3132347344786342873024
Single-core475.73 Mops/s475.73 million work units/sec2,8280.4 seconds9614622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,232.67 Mcand/s1,232.67 million work units/sec15,1810.47 seconds93242892704
Single-core194.45 Mcand/s194.45 million work units/sec2,3950.64 seconds6219233846
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core49,305.72 Mops/s49,305.72 million work units/sec74,9780.45 seconds2163284692056928
Single-core3,848.52 Mops/s3,848.52 million work units/sec5,8520.46 seconds54912328402658
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core3,981.7 MB/s3,981.7 million work units/sec59,0760.47 seconds1432752630144
Single-core169.99 MB/s169.99 million work units/sec2,5220.69 seconds28147039384
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core1,911.87 MB/s1,911.87 million work units/sec47,0900.49 seconds2832111618725024
Single-core131.11 MB/s131.11 million work units/sec3,2290.42 seconds521965391990
Physics512-body direct-sum gravity10% of overall scoreMulti-core566.5 Mpair/s566.5 million work units/sec8,9780.49 seconds3332740237269983971648
Single-core61.17 Mpair/s61.17 million work units/sec9690.31 seconds7314626862960453708664
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,213.98 Mkey-cmp/s1,213.98 million work units/sec33,4430.55 seconds13211882716634751595168
Single-core121.31 Mkey-cmp/s121.31 million work units/sec3,3420.52 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core214.48 ns/access149.2 million work units/sec18,8860.64 seconds332289271888
Single-core65.73 ns/access15.21 million work units/sec1,9260.46 seconds715807368
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core22,527.2 MB/s22,527.2 million work units/sec70,3970.52 seconds293234156913920
Single-core8,264.48 MB/s8,264.48 million work units/sec25,8260.42 seconds27611067782560