INTEL

Intel Xeon X5450

Intel processor specifications and benchmark scores

4
Cores
4
Threads
GHz Boost
120W
TDP
🛡️ECC Memory

Intel Xeon X5450 Specifications

⚙️

Xeon X5450 Core Configuration

Processing cores and threading

The Intel Xeon X5450 features 4 physical cores and 4 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
4
SMP CPUs
2
⏱️

X5450 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon X5450 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 X5450 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3 GHz
Boost Clock
N/A
Multiplier
9x
💾

Intel's Xeon X5450 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the X5450 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 X5450'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
6 MB (per die)
🏗️

Core 2 Architecture & Process

Manufacturing and design details

The Intel Xeon X5450 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 X5450 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Core 2
Codename
Harpertown
Process Node
45 nm
Foundry
Intel
Transistors
820 million
Die Size
2x 107 mm²
Generation
Xeon (Harpertown)
🔢

Core 2 Instruction Set Features

Supported CPU instructions and extensions

The Xeon X5450 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
Intel 64
VT-x
🔌

X5450 Power & Thermal

TDP and power specifications

The Intel Xeon X5450 has a TDP (Thermal Design Power) of 120W, 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
120W
🔧

Intel Socket 771 Platform & Socket

Compatibility information

The Xeon X5450 uses the Intel Socket 771 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 771
PCIe
Gen 2
Package
FC-LGA771
DDR5

Intel Socket 771 Memory Support

RAM compatibility and speeds

Memory support specifications for the X5450 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 X5450 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
DDR2, DDR3 Depends on motherboard
Memory Bus
Dual-channel
ECC Memory
Supported
📦

Xeon X5450 Product Information

Release and pricing details

The Intel Xeon X5450 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 X5450 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Nov 2007
Launch Price
$851
Market
Server/Workstation
Status
End-of-life
Part Number
SLANPSLBBA

Xeon X5450 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 X5450 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1493 of 1788
207
1%
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 X5450. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #1494 of 1788
863
1%
Max: 62,412

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 X5450. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #1495 of 1784
121
1%
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 X5450 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #1495 of 1788
2,055
1%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon X5450 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #1494 of 1788
290
1%
Max: 20,979

About Intel Xeon X5450

Considering a legacy powerhouse like the Intel Xeon X5450 for your next build? This quad-core Harpertown relic, launched back in 2007, still commands a 3.00 GHz base clock across its four non-hyperthreaded cores. While its 45nm process and 120W TDP show their age, can its raw frequency still compete in lightly threaded tasks? You'll be dealing with a platform that requires specific LGA 771 motherboards and potentially a mod to unlock full compatibility. The X5450's single-core score of 290 in Cinebench R23 hints at decent responsiveness for basic desktops. However, its multi-core score of 2,055 in the same benchmark reveals significant limitations compared to modern silicon. Is the nostalgia of a true server-grade chip worth the thermal and power overhead today? When you put the X5450 to work, you're essentially banking on raw clock speed over core efficiency. For workstation tasks, this processor handles basic rendering and older application suites surprisingly well, though modern multi-threaded apps will choke on its lack of instructions. The real-world performance expectations should be tempered; expect smooth sailing on light office work or a retro gaming rig, but don't expect it to stream or encode video efficiently. If you're looking at a budget server, the X5450 3.0GHz might still have some life in it for file serving or lightweight virtualization. However, the lack of modern instruction sets like AVX really kneecaps its utility in 2024. It's a chip that asks you to compromise on speed for the sake of a cheap core count. You have to wonder if the money saved on the CPU is immediately lost in your electricity bill. The value proposition of the Xeon X5450 hinges entirely on how little you can acquire the supporting platform for. At its original $851 launch price, it was a serious investment, but today it's practically e-waste pricing. Before you commit, you need to verify motherboard support, as finding a reliable LGA 771 board is the biggest hurdle. You might need to perform a physical socket modification on some LGA 775 boards to fit this chip, which isn't for the faint of heart. Here is what you need to check before buying: * Does the motherboard have the correct LGA 771 to 775 pin modification? * Is there a BIOS update available to recognize the Harpertown architecture? * Can the VRMs handle the sustained 120W TDP without overheating? * Are you getting DDR2 FB-DIMMs, which run hotter and slower than modern RAM? Ultimately, the cost effectiveness is a gamble on your time and technical ability to get a 17-year-old enterprise chip running. Is it worth the hassle for a few dollars saved over a more modern used processor?

The AMD Equivalent of Xeon X5450

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

View Specs Compare

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