Xeon E5440

Details and Benchmarks for Intel Xeon E5440

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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 E5440 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,432 Rank: 1357
Rank Name Score Visual
1353 A12-9730P 4,434
+0%
1354 Pentium G870 4,434
+0%
1355 Xeon E5640 4,434
+0%
1356 A10-9630P 4,432
+0%
1357 Xeon E5440 4,432
1358 Xeon E5-2650L v2 4,431
+-0%
1359 Core i5-2390T 4,431
+-0%
1360 Athlon X4 840 4,431
+-0%
1361 Pentium 4415U 4,430
+-0%
1362 Phenom II X4 B55 4,428
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E5440 based on multi-threaded benchmark results.

4,488 Rank: 1249
Rank Name Score Visual
1245 Athlon II X4 651 4,490
+0%
1246 Phenom II X6 1090T 4,489
+0%
1247 Core M 5Y10 4,488
+0%
1248 Pentium G3258 4,488
+0%
1249 Xeon E5440 4,488
1250 Phenom 9950 4,488
+0%
1251 Core i7-2630QM 4,487
+-0%
1252 Core i3-8130U 4,487
+-0%
1253 Ryzen 3 3200U 4,487
+-0%
1254 Xeon E5620 4,487
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E5440 based on single-threaded benchmark results.

4,394 Rank: 1398
Rank Name Score Visual
1394 Core i7-920 4,399
+0.1%
1395 A10-9630P 4,399
+0.1%
1396 Intel Core i7-620M 4,394
+0%
1397 A8-7650K 4,394
+0%
1398 Xeon E5440 4,394
1399 Celeron G530 4,393
+-0%
1400 Athlon II X3 460 4,392
+-0%
1401 A4-6300 4,392
+-0%
1402 Core M-5Y10 4,389
-0.1%
1403 FX-6350 4,388
-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 E5440 based on integer math, floating point math, and prime number computation benchmarks.

4,567 Rank: 1086
Rank Name Score Visual
1082 A8 PRO-7600B 4,569
+0%
1083 Core i7-7600U 4,568
+0%
1084 Core i3-6300T 4,568
+0%
1085 A10-9700E 4,568
+0%
1086 Xeon E5440 4,567
1087 Core i3-7101TE 4,566
+-0%
1088 Core i3-10110U 4,566
+-0%
1089 Core i3-4330 4,566
+-0%
1090 Xeon X3430 4,566
+-0%
1091 A8-5500 4,566
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E5440 based on data encryption, data compression, and string sorting benchmarks.

4,530 Rank: 1166
Rank Name Score Visual
1162 Core i5-6267U 4,530
+0%
1163 Core i5-3380M 4,530
+0%
1164 A8-5600K 4,530
+0%
1165 Phenom II X4 960T 4,530
+0%
1166 Xeon E5440 4,530
1167 Pentium G4560T 4,529
+-0%
1168 Core i7-6600U 4,529
+-0%
1169 Core i7-5557U 4,529
+-0%
1170 Core i5-5287U 4,529
+-0%
1171 A12-9730P 4,529
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon E5440 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,512 Rank: 1326
Rank Name Score Visual
1322 A8-6500 4,512
+0%
1323 Phenom II X4 945 4,512
+0%
1324 Xeon E5507 4,512
+0%
1325 A8-3850 4,512
+0%
1326 Xeon E5440 4,512
1327 FX-9800P 4,512
+0%
1328 Pentium N6415 4,512
+0%
1329 Pentium Silver N6000 4,512
+0%
1330 Celeron J4125 4,512
+0%
1331 Celeron G3930TE 4,511
+-0%

View full ranking →

Xeon E5440 Details

The Intel Xeon E5440 stands as a testament to the early 2000s era of server-grade computing, offering a robust blend of performance and reliability for its time. Released in the mid-2000s, this processor is now considered a legacy component, with its 45 nm manufacturing process and LGA771 socket placing it firmly in the past. Despite its age, the Xeon E5440 remains notable for its integration of advanced features such as ECC memory support, Intel VT-x virtualization, and AES encryption instructions, making it a strong contender in environments requiring data integrity and security. Its 4-core, 2-thread configuration, while modest by today’s standards, was competitive in its era, particularly in server and workstation applications where stability and multi-threaded efficiency were paramount.

At its core, the Xeon E5440 operates at a base frequency of 2.83 GHz, with a turbo frequency of 2.7 GHz, and is built on the Intel Core microarchitecture. It supports DDR3 1066 memory, delivering a maximum memory bandwidth of 17 GB/s across two channels, which was impressive for its time. The processor also includes an integrated Intel HD Graphics unit with a base frequency of 850 MHz and a burst frequency of 1100 MHz, capable of driving up to two displays simultaneously. While not designed for gaming or high-end graphics, this integrated GPU provided basic visual output for server management or light multimedia tasks.

In benchmark testing, the Xeon E5440 achieves an overall score of 4432, ranking #1356 out of 2060 processors, with single-core and multicore scores of 4394 and 4488, respectively. These results place it just below mid-tier modern processors but ahead of many low-power and entry-level devices from the same period. It competes closely with contemporaries like the Core i7-875K and Ryzen 3 2200U, though its single-core performance is notably weaker compared to today’s top-tier CPUs. The multicore score, while strong for its time, reflects the limitations of its 45 nm process and lack of modern architectural enhancements such as AVX-512 or advanced power management.

The Xeon E5440’s TDP of 80 W indicates a balance between performance and power consumption, suitable for server environments where thermal efficiency is critical. Its PCIe 2.0 support, with up to 12 lanes and configurations including 1x16, 2x8, and 1x8 & 2x4, allows for flexible expansion with high-speed peripherals. This makes it a viable option for legacy systems requiring reliable connectivity and storage options.

As of March 2026, the Xeon E5440 is best suited for legacy systems, retro computing projects, or specialized server environments where backward compatibility and ECC memory are essential. While it lacks the raw power and efficiency of modern processors, its stability, integrated features, and historical significance make it a valuable component in specific use cases.
Frequently Compared

Intel Intel Celeron N3010 7 views

Intel Xeon D-1559 7 views

AMD Ryzen 9 PRO 3900 5 views

Intel Pentium Gold G5600 5 views

AMD Ryzen 5 3500X 4 views

AMD Ryzen 5 PRO 3500U 4 views

AMD Ryzen Threadripper 1920X 4 views

AMD Ryzen 7 2700 3 views

AMD Ryzen 3 PRO 2200GE 2 views

Intel Xeon Silver 4214 2 views

Intel Xeon E5440

Main Specifications

Designer: Intel
Name: Xeon E5440
Model Number: E5440
Cores: 4
Threads: 2
Base Frequency: 2830 MHz
Socket: LGA771
Max CPUs: 1
TDP: 80 W

Cache Specifications

Memory Specifications

Supported Memory Type: DDR3 1066
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 17 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 12
PCIe Configuration: up to 1x16, 2x8, 1x8 & 2x4

Integrated Graphics

GPU: HD Graphics
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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