IntelOutdated for demanding workloadsServer

Intel Xeon L5520 @ 2.27GHz

Technical specifications and documented benchmark results for this processor.

Last updated: 2026-10-20
3.0/ 10
Technical rating

Outdated for demanding workloads

Intel Xeon L5520 @ 2.27GHz is a Server processor with 4 cores and 8 threads. It runs at 2.3 GHz and boosts up to 2.5 GHz. It records a PassMark CPU Mark of 2319 and a single-thread rating of 1019. Its stated TDP is 60 W.

CPU Mark2,319
26 samples
Single Thread1,019
Overall rank#3,634
of 6,054
Reference price$29.00

Technical assessment

A summary based on specifications and results.

Outdated for demanding workloads
3.0Outdated for demanding workloads

Intel Xeon L5520 @ 2.27GHz is a Server processor with 4 cores and 8 threads. It runs at 2.3 GHz and boosts up to 2.5 GHz. It records a PassMark CPU Mark of 2319 and a single-thread rating of 1019. Its stated TDP is 60 W.

Multi-axis comparison

How does this processor compare?

A direct comparison with nearby processors from the same brand and a similar core count.

5 CPU

Overall and multi-core performance

A higher CPU Mark indicates stronger overall performance.

01Intel Xeon E5472 @ 3.00GHzIntel2,333 points
02Intel Xeon X3430 @ 2.40GHzIntel2,332 points
03Intel Xeon X5365 @ 3.00GHzIntel2,331 points
04Intel Xeon L5520 @ 2.27GHzThis CPU2,319 points
05Intel Xeon X3350 @ 2.66GHzIntel2,305 points

Single-thread performance

Measures speed in tasks that depend on one CPU thread.

01Intel Xeon X5365 @ 3.00GHzIntel1,223 points
02Intel Xeon E5472 @ 3.00GHzIntel1,223 points
03Intel Xeon X3350 @ 2.66GHzIntel1,155 points
04Intel Xeon X3430 @ 2.40GHzIntel1,045 points
05Intel Xeon L5520 @ 2.27GHzThis CPU1,019 points

Performance per watt

Estimated as CPU Mark divided by TDP.

01Intel Xeon L5520 @ 2.27GHzThis CPU38.7 Mark/W
02Intel Xeon E5472 @ 3.00GHzIntel29.2 Mark/W
03Intel Xeon X3430 @ 2.40GHzIntel24.5 Mark/W
04Intel Xeon X3350 @ 2.66GHzIntel24.3 Mark/W
05Intel Xeon X5365 @ 3.00GHzIntel15.5 Mark/W

Bars are relative to the processors shown here, not a global ranking of every CPU.

Detailed benchmark results

Snapshot from 2026-10-20

Data CompressionKBytes/Sec
51,418.00
Data EncryptionMBytes/Sec
426.60
Extended InstructionsMillion Matrices/Sec
1,335.00
Find Prime NumbersMillion Primes/Sec
18.00
Floating Point MathMOps/Sec
5,118.00
Integer MathMOps/Sec
12,066.00
PhysicsFrames/Sec
316.00
Random String SortingThousand Strings/Sec
6,812.00

Core specifications

BrandIntel
CategoryServer
Release year2010
SocketLGA1366
Cores / threads4 / 8
Base clock2.30 GHz
Max turbo2.50 GHz
TDP60 W
Integrated graphics—

Memory support

—
Memory type—
Official speed—
Maximum capacity—

Cache hierarchy

L1I4 x 32 KB
L1D4 x 32 KB
L24 x 256 KB
L30 MB