Benchmarks » Intel » Xeon L » Xeon L5520
Please do not spider these pages to gather CPU data,
the data is freely available:
CPU specification data in JSON format
(6240 models, ~4MB, updated 2026-08-02)

Please do not spider these pages to gather benchmark
data, it is freely available:
Raw benchmark data (13MB, updated 2026-08-02)

Intel – Xeon L

Xeon L5520

Performance
Cores4
Threads8
Clock (min)2267
Clock (max)2533
Cache (L1)64 kB (x4)
Cache (L2)256 kB (x4)
Cache (L3)8.00 MB total
Code NameGainestown
Process45 nm
TDP60 W
SocketSocket 1366
Part NumbersAT80602000810AA
BX80602L5520
SSPECSLBFA
CPUID106A5
Release Date2009-Mar-30
Link: CPWCPU World
Link: x86x86 Guide
Link: TPUTechPowerUp
Link: MfgIntel
Found 33 benchmarks for Intel Xeon L5520

Throughput

No throughput benchmarks available for this CPU.
Archaic benchmark data (not relevant to current performance, for historic reference only)

FFT Performance (single-thread)

768K896K1024K1280K1536K1792K2048K2560K3072K3584K4096K5120K6144K7168K8192K
FFT
14.116
17.049
19.212
24.734
29.903
35.800
40.370
51.591
62.837
74.591
84.222
108.673
134.692
161.187
181.252
FFT_2T
17.761
23.107
29.702
36.241
40.690
47.576
60.361
74.601
87.608
102.063
131.031
68.311
186.980
209.745
FFT_4T
9.291
11.697
15.030
18.237
20.788
24.217
31.465
37.902
44.258
51.459
65.979
81.380
94.319
105.808

Trial Factoring

6162636465666768697071727374757677
3.858
4.050
4.713
5.802
6.200
6.533
6.473
6.292
6.276
6.282