AMD

AMD Opteron X2 865

AMD processor specifications and benchmark scores

2
Cores
2
Threads
GHz Boost
95W
TDP

AMD Opteron X2 865 Specifications

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Opteron X2 865 Core Configuration

Processing cores and threading

The AMD Opteron X2 865 features 2 physical cores and 2 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
2
Threads
2
SMP CPUs
8
⏱️

Opteron X2 865 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Opteron X2 865 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 Opteron X2 865 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1800 GHz
Boost Clock
N/A
Multiplier
9x
💾

AMD's Opteron X2 865 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Opteron X2 865 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 Opteron X2 865's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
128 KB
L2 Cache
1 MB
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K8 Architecture & Process

Manufacturing and design details

The AMD Opteron X2 865 is built on AMD's 90 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 Opteron X2 865 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K8
Codename
Egypt
Process Node
90 nm
Transistors
233 million
Generation
Opteron X2 (Egypt)
🔢

K8 Instruction Set Features

Supported CPU instructions and extensions

The Opteron X2 865 by AMD 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
AMD64
AMD-V
🔌

Opteron X2 865 Power & Thermal

TDP and power specifications

The AMD Opteron X2 865 has a TDP (Thermal Design Power) of 95W, 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
95W
🔧

AMD Socket 940 Platform & Socket

Compatibility information

The Opteron X2 865 uses the AMD Socket 940 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
AMD Socket 940
PCIe
Gen 2
Package
µPGA
DDR5

AMD Socket 940 Memory Support

RAM compatibility and speeds

Memory support specifications for the Opteron X2 865 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 Opteron X2 865 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 Bus
Dual-channel
📦

Opteron X2 865 Product Information

Release and pricing details

The AMD Opteron X2 865 is manufactured by AMD 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 Opteron X2 865 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Sep 2005
Market
Server/Workstation
Status
End-of-life
Part Number
OSA865FAA6CC

Opteron X2 865 Benchmark Scores

📊

No benchmark data available for this CPU.

About AMD Opteron X2 865

The AMD's AMD Opteron X2 865 chip is built on a mature 90 nm manufacturing process, a node that balanced power efficiency and silicon cost during its 2005 launch. Operating at a 1.8 GHz base clock with a 95 W TDP, this dual‑core, dual‑thread processor fits the AMD Socket 940 platform and reflects the era’s emphasis on server reliability over raw speed. Although no benchmark data is available for the AMD's AMD Opteron X2 865 chip, its architecture suggests performance comparable to early‑generation Xeon E5405 units, delivering sufficient throughput for legacy database workloads and virtualization at low concurrency. Targeted primarily at entry‑level data‑center and small‑business servers in 2005, the processor occupied a niche market segment that valued stability, long product cycles, and compatibility with existing 940‑socket motherboards. When pairing the AMD's AMD Opteron X2 865 chip, administrators typically combined it with DDR2 ECC memory, SATA or early SAS storage, and a modest 500 GB RAID‑1 array to maximize reliability without exceeding the thermal envelope. Could this vintage server still serve niche workloads such as legacy web hosting or scientific instrumentation, or would a modern low‑power ARM alternative be a more sensible upgrade path?

The Intel Equivalent of Opteron X2 865

Looking for a similar processor from Intel? The Intel Core i5-750 offers comparable performance and features in the Intel lineup.

Intel Core i5-750

Intel • 4 Cores

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