Xeon L5420 Benchmarks & Performance Report

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Xeon L5420 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,267 Rank: 1565

Rank	Name	Score	Visual
1561	Core 2 Duo T7250	4,271	+0.1%
1562	Phenom II X3 B75	4,270	+0.1%
1563	Phenom 9650	4,269	+0%
1564	Pentium Gold 4415Y	4,268	+0%
1565	Xeon L5420	4,267
1566	Core i3-2350M	4,266	+-0%
1567	Atom C3958	4,266	+-0%
1568	Core 2 Duo T5750	4,266	+-0%
1569	Core i3-530	4,266	+-0%
1570	Athlon II X3 440	4,265	+-0%

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Multicore Score

Multicore performance score for Xeon L5420 based on multi-threaded benchmark results.

4,307 Rank: 1738

Rank	Name	Score	Visual
1734	Intel Celeron N3150	4,307	+0%
1735	Intel Atom x5-Z8500	4,307	+0%
1736	A8-5600K	4,307	+0%
1737	Core i7-3517U	4,307	+0%
1738	Xeon L5420	4,307
1739	Core 2 Duo T9600	4,307	+0%
1740	Pentium E5500	4,306	+-0%
1741	Xeon 5150	4,306	+-0%
1742	Atom x7-Z8750	4,305	+-0%
1743	Athlon II X2 B24	4,305	+-0%

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Singlecore Score

Single-core performance score for Xeon L5420 based on single-threaded benchmark results.

4,241 Rank: 1536

Rank	Name	Score	Visual
1532	Phenom II X2 555	4,246	+0.1%
1533	Core i3-2370M	4,244	+0.1%
1534	Celeron 3955U	4,243	+0%
1535	Intel Core i5-580M	4,242	+0%
1536	Xeon L5420	4,241
1537	Intel Core i7-720QM	4,240	+-0%
1538	A10-5750M	4,240	+-0%
1539	Phenom II X4 945	4,239	+-0%
1540	Xeon E5-2603 v4	4,238	-0.1%
1541	Xeon Bronze 3104	4,238	-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Xeon L5420 based on integer math, floating point math, and prime number computation benchmarks.

4,558 Rank: 1130

Rank	Name	Score	Visual
1126	Core i3-8130U	4,558	+0%
1127	Core i3-4150	4,558	+0%
1128	Core i5-4570T	4,558	+0%
1129	Phenom II X6 1035T	4,558	+0%
1130	Xeon L5420	4,558
1131	Core i3-4360T	4,558	+0%
1132	PRO A10-8770E	4,558	+0%
1133	Core i3-6100T	4,557	+-0%
1134	Core i7-920XM	4,557	+-0%
1135	Ryzen Embedded R1505G	4,556	+-0%

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Data Processing

Aggregated score for Xeon L5420 based on data encryption, data compression, and string sorting benchmarks.

4,519 Rank: 1217

Rank	Name	Score	Visual
1213	Core i3-4150T	4,520	+0%
1214	Core i5-6260U	4,519	+0%
1215	Core i5-5257U	4,519	+0%
1216	Core i5-3340M	4,519	+0%
1217	Xeon L5420	4,519
1218	Core i5-2390T	4,519	+0%
1219	Core i3-6167U	4,518	+-0%
1220	Core i3-3210	4,518	+-0%
1221	Core i3-4130T	4,518	+-0%
1222	Core i5-3320M	4,518	+-0%

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Physics & Compute

Aggregated score for Xeon L5420 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,513 Rank: 1315

Rank	Name	Score	Visual
1311	Pentium G2130	4,513	+0%
1312	Pentium G2120	4,513	+0%
1313	Phenom II X4 960T	4,513	+0%
1314	A12-9720P	4,513	+0%
1315	Xeon L5420	4,513
1316	Core M-5Y70	4,513	+0%
1317	Phenom II X4 B95	4,513	+0%
1318	Celeron G3900	4,512	+-0%
1319	Celeron G4900T	4,512	+-0%
1320	Celeron G3930T	4,512	+-0%

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Xeon L5420 Details

The Xeon L5420 represents a significant evolution in Intel's server-grade processor lineup, offering a refined balance of performance, efficiency, and integrated graphics capabilities. Released in the mid-2000s, this processor is now considered a legacy part, with its 45 nm manufacturing process and LGA771 socket marking it as part of an older generation of computing hardware. Despite its age, the Xeon L5420 remains notable for its robust feature set and integrated HD Graphics, which were uncommon in server processors of its time.

Built on Intel's Core microarchitecture, the Xeon L5420 features four cores with a base clock speed of 2.5 GHz and a turbo frequency of 2.6 GHz. It supports Hyper-Threading, allowing it to handle eight threads simultaneously, which enhances multitasking and performance in server and workstation environments. The processor operates at a modest 50 W TDP, making it energy-efficient for its class, and is designed for single-processor systems with a maximum memory capacity of 32 GB.

Memory support includes DDR3 1066 MHz, with dual-channel capability and a maximum bandwidth of 17 GB/s, providing sufficient throughput for many enterprise applications. The integrated HD Graphics GPU runs at a base frequency of 850 MHz and can boost up to 1 GHz, supporting up to two displays and offering basic graphics processing for tasks like video playback and light content creation. This level of integrated graphics is rare in Xeon processors, making the L5420 a versatile choice for systems that require both compute power and display output.

The Xeon L5420 includes a wide range of advanced technologies, such as AES-NI for encryption, VT-x and VT-d for virtualization, and EIST for power management. It also supports ECC memory, enhancing data integrity in mission-critical applications. The processor's PCIe 2.0 support allows for flexible expansion with configurations like 1x16, 2x8, and 1x8, 2x4 lanes, catering to various peripheral needs.

In benchmark testing, the Xeon L5420 achieves an overall score of 4,267, placing it at #1,565 among 2,060 CPUs. Its single-core score of 4,241 ranks it #1,536, while its multicore score of 4,307 places it #1,734. While these scores are modest compared to modern processors, they reflect the processor's capabilities within its era. It outperforms several contemporary CPUs, including the Pentium E5500 and Xeon 5150, but trails behind more advanced models like the Core i5-580M and Celeron 3955U.

As of March 2026, the Xeon L5420 is best suited for legacy server environments, small-scale virtualization, or embedded systems where integrated graphics and low power consumption are priorities. While it no longer competes with today's high-end processors, its reliability and feature set ensure it remains relevant in specific niche applications.