AMD

AMD Opteron 846

AMD processor specifications and benchmark scores

1
Cores
1
Threads
GHz Boost
89W
TDP

AMD Opteron 846 Specifications

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Opteron 846 Core Configuration

Processing cores and threading

The AMD Opteron 846 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
1
⏱️

Opteron 846 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Opteron 846 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 846 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2000 GHz
Boost Clock
N/A
Multiplier
10x
💾

AMD's Opteron 846 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Opteron 846 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 846'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 846 is built on AMD's 130 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 846 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K8
Codename
SledgeHammer
Process Node
130 nm
Transistors
106 million
Die Size
193 mm²
Generation
Opteron (SledgeHammer (C0))
🔢

K8 Instruction Set Features

Supported CPU instructions and extensions

The Opteron 846 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
AMD64
AMD-V
🔌

Opteron 846 Power & Thermal

TDP and power specifications

The AMD Opteron 846 has a TDP (Thermal Design Power) of 89W, 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
89W
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AMD Socket 940 Platform & Socket

Compatibility information

The Opteron 846 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 846 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 846 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 846 Product Information

Release and pricing details

The AMD Opteron 846 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 846 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Sep 2003
Market
Server/Workstation
Status
End-of-life
Part Number
OSA846CEP5AM

Opteron 846 Benchmark Scores

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No benchmark data available for this CPU.

About AMD Opteron 846

  1. The AMD Opteron 846 might not sound like a high-end powerhouse today, but back in 2003, it was a serious player for its time. With just a single core and thread, it’s clear this chip wasn’t built for multitasking marathons instead, it excelled at focused tasks where raw speed mattered. Running at 2 GHz, it delivered a solid baseline for server-like workloads, which was fresh and impressive back then. Despite its modest single-core design, it proved that AMD’s Opteron series could handle demanding applications without breaking a sweat, especially for niche server or workstation applications.
  2. For workstation use, the AMD Opteron 846 worked best in scenarios where heavy calculations or server functions were prioritized over general-purpose speed. Tasks like database management, early-stage video editing, or scientific computing felt smooth with this chip, thanks to its 130 nm process and efficient design. However, any modern multitasking or gaming would feel sluggish, as its single thread and low core count weren’t designed for today’s complex workflows. It’s a relic for specific historical use cases, but for dedicated server work, it held its ground as a reliable, albeit outdated, option.
  3. The value proposition of the AMD Opteron 846 was straightforward: it offered budget-friendly server performance without the heft of enterprise-grade systems. At its release, it was a cost-effective choice for businesses needing reliable backend processing, especially for legacy applications. Its 89W TDP made it energy-conscious, balancing power needs with performance. But as hardware evolved, its single-core speed and lack of modern features like multi-threading or larger cache made it a poor fit for contemporary users, unless used in retro or collectible setups.
  4. Platform requirements for the AMD Opteron 846 were crystal clear: AMD Socket 940, a relic connector that cemented its era. This socket required specific motherboards and memory types, making upgrades or replacements tricky. Pairing it with DDR1 RAM ensured compatibility but limited memory capacity options. For today’s users, the platform feels like stepping back in time no support for newer technologies, no room for expansion. Still, for enthusiasts or collectors, the Opteron 846’s heritage as a foundational Opteron chip offers a nostalgic glimpse into AMD’s early server dominance.

The Intel Equivalent of Opteron 846

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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