INTEL

Intel Xeon E5540

Intel processor specifications and benchmark scores

4
Cores
8
Threads
2.8
GHz Boost
80W
TDP
🛡️ECC Memory

Intel Xeon E5540 Specifications

⚙️

Xeon E5540 Core Configuration

Processing cores and threading

The Intel Xeon E5540 features 4 physical cores and 8 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
8
SMP CPUs
2
⏱️

E5540 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon E5540 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Xeon E5540 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.53 GHz
Boost Clock
2.8 GHz
Multiplier
19x
💾

Intel's Xeon E5540 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the E5540 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Xeon E5540's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
8 MB (shared)
🏗️

Nehalem Architecture & Process

Manufacturing and design details

The Intel Xeon E5540 is built on Intel's 45 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in E5540 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Nehalem
Codename
Gainestown
Process Node
45 nm
Foundry
Intel
Transistors
731 million
Die Size
263 mm²
Generation
Xeon (Gainestown)
🔢

Nehalem Instruction Set Features

Supported CPU instructions and extensions

The Xeon E5540 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
Intel 64
VT-x
VT-d
🔌

E5540 Power & Thermal

TDP and power specifications

The Intel Xeon E5540 has a TDP (Thermal Design Power) of 80W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
80W
🔧

Intel Socket 1366 Platform & Socket

Compatibility information

The Xeon E5540 uses the Intel Socket 1366 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 1366
Chipsets
Intel 5500, 5520, X58
PCIe
Gen 2
Package
FC-LGA8
DDR5

Intel Socket 1366 Memory Support

RAM compatibility and speeds

Memory support specifications for the E5540 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Xeon E5540 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Triple-channel
Memory Bandwidth
25.6 GB/s
ECC Memory
Supported
📦

Xeon E5540 Product Information

Release and pricing details

The Intel Xeon E5540 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Xeon E5540 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Mar 2009
Launch Price
$774
Market
Server/Workstation
Status
End-of-life
Part Number
SLBF6

Xeon E5540 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Xeon E5540 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #1438 of 1788
240
2%
Max: 14,978

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Xeon E5540. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #1438 of 1788
1,001
2%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Xeon E5540. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #1439 of 1784
141
2%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Xeon E5540 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #1438 of 1788
2,384
2%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon E5540 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #1439 of 1788
336
2%
Max: 20,979

About Intel Xeon E5540

The Intel Xeon E5540, a quad-core processor from the Gainestown generation, is built on a 45nm process and features Intel's Nehalem microarchitecture, which introduced the integrated memory controller and QuickPath Interconnect for enhanced data flow. With a base clock of 2.53 GHz and a Turbo Boost frequency reaching up to 2.80 GHz, this CPU leverages Hyper-Threading to handle 8 threads, offering solid multi-threaded throughput for its era. Its 80W TDP reflects a balanced power design for a server-class chip, though it is less efficient compared to modern nodes. The cache hierarchy includes 64KB of L1 and 256KB of L2 per core, backed by a shared 8MB L3 cache that significantly reduces latency for core-to-core communication. For gamers and technical users today, this Xeon E5540 is best understood as a legacy workhorse whose strengths lie in:

  • Multi-threaded legacy applications and light server workloads
  • Entry-level virtualization and older game titles from its release period
  • Budget-oriented builds repurposing retired server hardware

In modern benchmarks like Cinebench R23, where the E5540 scores 2,384 points multi-core and 336 points single-core, its performance is severely outpaced by contemporary consumer CPUs, highlighting its role as a historical component. The processor's power consumption profile, while respectable for a 2009 launch, is a key limitation for any performance-per-watt consideration in current systems. When evaluating the Intel Xeon E5540 for present-day use, it excels only in specific, undemanding scenarios that can leverage its eight threads without requiring high single-threaded speed. Ultimately, this model from Intel serves as a testament to the rapid architectural advances in the industry, marking a pivotal but now obsolete step in the Xeon lineage.

The AMD Equivalent of Xeon E5540

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD • 4 Cores

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