Xeon L5639

Details and Benchmarks for Intel Xeon L5639

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 L5639 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,631 Rank: 1165
Rank Name Score Visual
1161 Core m5-6Y57 4,635
+0.1%
1162 Xeon X5650 4,633
+0%
1163 Xeon W3565 4,633
+0%
1164 Core i7-970 4,632
+0%
1165 Xeon L5639 4,631
1166 A10-9700E 4,631
+0%
1167 Core i5-4350U 4,631
+0%
1168 Athlon X4 880K 4,628
-0.1%
1169 Core i5-2400S 4,627
-0.1%
1170 Core i5-4200M 4,627
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon L5639 based on multi-threaded benchmark results.

4,779 Rank: 875
Rank Name Score Visual
871 Ryzen 3 1300X 4,781
+0%
872 Xeon E3-1225 v3 4,780
+0%
873 Xeon E3-1225 v6 4,779
+0%
874 Xeon D-1520 4,779
+0%
875 Xeon L5639 4,779
876 Xeon E5-2680 v2 4,779
+0%
877 Ryzen 5 1400 4,777
+-0%
878 Core i5-6440HQ 4,776
-0.1%
879 Ryzen 5 2400GE 4,775
-0.1%
880 Core i7-4810MQ 4,775
-0.1%

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Singlecore Score

Single-core performance score for Xeon L5639 based on single-threaded benchmark results.

4,532 Rank: 1262
Rank Name Score Visual
1258 Xeon E3-1220L v2 4,540
+0.2%
1259 Core i3-3240T 4,537
+0.1%
1260 Core i7 960 4,536
+0.1%
1261 Athlon II X2 265 4,533
+0%
1262 Xeon L5639 4,532
1263 Xeon E5-2450 v2 4,530
+-0%
1264 Xeon Bronze 3204 4,526
-0.1%
1265 FX-4320 4,526
-0.1%
1266 Phenom II X6 1100T 4,523
-0.2%
1267 A10-6700 4,523
-0.2%

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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 L5639 based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for Xeon L5639 based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for Xeon L5639 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Xeon L5639 Details

For users seeking a capable, albeit dated, desktop processor with integrated graphics and modest performance, the Intel Xeon L5639 offers a glimpse into an earlier era of multi-core computing. Released in the late 2000s, this processor is now considered obsolete by modern standards, with its 45 nm manufacturing process and LGA1156 socket placing it well outside the current mainstream. Despite its age, the Xeon L5639 retains relevance for legacy systems, light office workloads, or educational purposes where cutting-edge performance is not required.

The processor is built on Intel's Nehalem microarchitecture, a design that brought significant improvements in memory bandwidth and integrated memory controllers. It features four cores and four threads, operating at a base clock of 2.8 GHz with a turbo frequency of 3.3 GHz. This allows for a reasonable level of performance in single-threaded applications and moderate multitasking. The processor supports DDR3 1066/1333 memory at a maximum capacity of 16 GB, with a maximum memory bandwidth of 21 GB/s, which was competitive at the time of its release.

Integrated into the Xeon L5639 is the Intel HD Graphics 3000 GPU, featuring a base frequency of 850 MHz and a burst frequency of up to 1100 MHz. This integrated graphics solution supports up to two displays and is sufficient for basic multimedia tasks, office applications, and light video playback. While it cannot handle modern gaming or high-resolution content creation, it provides a cost-effective solution for systems without a discrete GPU.

The Xeon L5639 supports a range of advanced technologies, including AES-NI for encryption, AVX2 for enhanced floating-point operations, and Intel's virtualization features such as VT-x and VT-d. It also includes features like Hyper-Threading, EIST for power management, and Secure Key for improved security. These capabilities make it a versatile choice for legacy enterprise environments or embedded systems requiring a balance of performance and power efficiency.

In benchmark testing, the Xeon L5639 achieves an overall score of 4631, ranking it #1165 out of 2060 processors. Its single-core performance is rated at 4532, placing it #1262, while its multicore score of 4779 ranks it #873. While these scores are modest compared to modern CPUs, they reflect the processor's ability to perform well in its intended market segment. The processor competes with older-generation Intel Core i5 and i7 models, as well as AMD's Athlon and FX series, but falls behind more recent offerings in both single-core and multicore performance.

As of March 2026, the Xeon L5639 is best suited for legacy systems, retro computing projects, or low-demand environments where its integrated graphics and moderate performance are sufficient. Its 95 W TDP and support for ECC memory make it a reliable option for older workstations or servers, though it is no longer a viable choice for modern desktops or high-performance computing tasks.
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Intel Xeon L5639

Main Specifications

Designer: Intel
Name: Xeon L5639
Model Number: i5-760
Cores: 4
Threads: 4
Base Frequency: 2800 MHz
Socket: LGA1156
Max CPUs: 1
TDP: 95 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 1066/1333
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 21 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8

Integrated Graphics

GPU: HD Graphics 3000
GPU Designer: Intel
GPU Max Frequency: 1100 MHz

Physical Specifications

Process: 45 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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