Benchmarks » Intel » Xeon L » Xeon L5420
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Intel – Xeon L

Xeon L5420

Performance
Cores4
Threads4
Clock (min)2500
Clock (max)2500
Cache (L1)64 kB (x4)
Cache (L2)12.00 MB total
Code NameHarpertown
Process45 nm
TDP50 W
SocketLGA 771
Part NumbersAT80574JJ060N
EU80574JJ060N
BX80574L5420A
BX80574L5420P
SSPECSLARP
SLBBR
QFVZ
Release Date2008-Mar-25
Link: CPWCPU World
Link: x86x86 Guide
Link: MfgIntel
Found 31 benchmarks for Intel Xeon L5420

Throughput

1024K2048K2560K3072K3584K4096K5120K6144K7168K8192K
204.020
117.376
91.346
76.297
57.745
56.737
45.330
38.666
33.006
27.896

Archaic benchmark data (not relevant to current performance, for historic reference only)

FFT Performance (single-thread)

768K896K1024K1280K1536K1792K2048K2560K3072K3584K4096K5120K6144K7168K8192K
FFT
12.298
14.913
16.613
21.064
26.557
32.117
35.056
44.418
55.799
65.720
73.299
93.218
118.269
137.889
153.407
FFT_2T
9.949
12.190
12.454
14.303
16.894
19.505
20.664
25.000
30.641
37.259
39.464
66.426
82.420
72.099
110.088
FFT_3T
15.084
16.478
26.401
17.024
20.283
23.930
27.182
35.283
42.520
50.119
56.386
71.289
86.725
103.591
115.582
FFT_4T
13.575
6.698
7.596
8.255
10.782
11.792
12.551
16.155
19.782
33.960
25.972
32.092
39.683
46.327
53.178

All-Complex FFTs

4096K5120K6144K7168K8192K
39.367
46.867
60.219
70.716
74.345

Trial Factoring

58596061626364656667
4.112
4.145
4.153
3.890
3.988
4.645
5.928
6.359
7.066
7.023