Xeon L5420

Details and Benchmarks for Intel Xeon L5420

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

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%

View full ranking →

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%

View full ranking →

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%

View full ranking →

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%

View full ranking →

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%

View full ranking →

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%

View full ranking →

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.
Frequently Compared

Intel Intel Celeron N3010 9 views

Intel Celeron G4920 7 views

AMD Ryzen 9 PRO 3900 3 views

AMD Ryzen 5 3500X 3 views

AMD Ryzen 5 PRO 3500U 3 views

AMD Ryzen Threadripper 2990WX 3 views

Intel Xeon Silver 4214 1 view

Intel Xeon Silver 4210 1 view

Intel Xeon Silver 4208 1 view

Intel Xeon Silver 4116T 1 view

Intel Xeon L5420

Main Specifications

Designer: Intel
Name: Xeon L5420
Model Number: L5420
Cores: 4
Threads: 2
Base Frequency: 2500 MHz
Socket: LGA771
Max CPUs: 1
TDP: 50 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 1066
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 17 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 1000 MHz

Physical Specifications

Process: 45 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
Related News

AMD Unveils Ryzen 9 9950X3D2 with 192MB L3 Cache – and Pragmata Reveals Switch 2 Performance Gap vs. PS5

AMD has unveiled the Ryzen 9 9950X3D2, a 16-core CPU with dual 3D V-Cache and a total of 192 MB L3 cache, available star...

2 sources · 1 week ago

Intel Nova Lake-S with 44 Cores? Leak Suggests Cache Strategy Shift and New Wildcat Lake Generation

A leak suggests Intel's Nova Lake-S processors may shift from 42 to 44 cores, indicating a change in tile configuration...

2 sources · 4 days ago

AMD Ryzen 9 9950X3D2 Dual Edition Available Before Launch – Lenovo Unveils New Legion Gaming Tablets

The AMD Ryzen 9 9950X3D2 Dual Edition with dual 3D V-Cache is already available ahead of its official launch on April 22...

2 sources · 3 days ago

Intel Launches Core Series 3 'Wildcat Lake' – New AI-Powered CPUs for Budget Laptops and Edge Devices

Intel has officially launched the Core Series 3 'Wildcat Lake', a new CPU lineup for budget laptops and edge devices fea...

3 sources · 4 days ago

Intel Core Ultra 400 'Nova Lake': New Desktop CPUs with Up to 52 Cores and 288 MB Cache Unveiled

Intel is set to launch the Core Ultra 400 series, codenamed Nova Lake, for desktop systems featuring up to 52 cores and...

3 sources · 6 days ago

Login

Forgot your password?

Your experience on this site will be improved by allowing cookies.