AMD

AMD Opteron 842

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
85W
TDP

AMD Opteron 842 Specifications

⚙️

Opteron 842 Core Configuration

Processing cores and threading

The AMD Opteron 842 features 1 physical cores and 1 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
1
Threads
1
SMP CPUs
8
⏱️

Opteron 842 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Opteron 842 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 842 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1600 GHz
Boost Clock
N/A
Multiplier
8x
💾

AMD's Opteron 842 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Opteron 842 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 842'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
🏗️

K8 Architecture & Process

Manufacturing and design details

The AMD Opteron 842 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 842 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K8
Codename
Athens
Process Node
90 nm
Transistors
106 million
Generation
Opteron (Athens (E4))
🔢

K8 Instruction Set Features

Supported CPU instructions and extensions

The Opteron 842 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 842 Power & Thermal

TDP and power specifications

The AMD Opteron 842 has a TDP (Thermal Design Power) of 85W, 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
85W
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AMD Socket 940 Platform & Socket

Compatibility information

The Opteron 842 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 842 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 842 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
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Opteron 842 Product Information

Release and pricing details

The AMD Opteron 842 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 842 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Dec 2004
Market
Server/Workstation
Status
End-of-life
Part Number
OSA842FAA5BM

Opteron 842 Benchmark Scores

📊

No benchmark data available for this CPU.

About AMD Opteron 842

The AMD Opteron 842 from AMD is a single-core processor based on the 90 nm Athens (E4) architecture, designed primarily for server and workstation environments but still capable of intriguing DIY builders who appreciate vintage hardware. With a base clock speed of 1.6 GHz and a TDP of 85W, this chip offers modest processing power by today's standards, but it’s built with a focus on reliability and efficiency from its era. The AMD Opteron 842 uses AMD Socket 940, making it a rare find for collectors or enthusiasts looking to revive a classic system. Its single-core design might seem underwhelming, yet for specific legacy applications or construction projects, it’s a noteworthy option to consider. While there is no benchmark data available for the AMD Opteron 842, it’s safe to say that its performance falls behind modern multi-core CPUs, but it still offers a unique glimpse into early AMD server processor technology. This chip can be appealing for hobbyists interested in historic hardware, or as a quirky addition to a vintage hardware display. The price bracket for the AMD Opteron 842 tends to be low, reflecting its age and performance limitations, but it can serve as a fun, inexpensive experiment in retro computing. When building with the AMD Opteron 842, consider a system designed around stability and compatibility rather than raw power, and don’t expect it to handle today's demanding tasks yet, it’s a compelling piece of AMD's processor history to showcase in a dedicated collection.
  1. Build around the AMD Opteron 842 if you’re into vintage server hardware, focusing on reliability over speed.
  2. Pair it with compatible Socket 940 motherboards and older RAM to maximize your project’s authenticity.
  3. Expect modest performance, but enjoy the nostalgia and historical significance of this AMD processor model.

The Intel Equivalent of Opteron 842

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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