AMD

AMD Phenom II X4 945 (125W)

AMD processor specifications and benchmark scores

4
Cores
4
Threads
โ€”
GHz Boost
125W
TDP
๐Ÿ–ฅ๏ธIntegrated GPU ๐Ÿ›ก๏ธECC Memory

AMD Phenom II X4 945 (125W) Specifications

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Phenom II X4 945 (125W) Core Configuration

Processing cores and threading

The AMD Phenom II X4 945 (125W) 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
1
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Phenom II X4 945 (125W) Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Phenom II X4 945 (125W) 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 Phenom II X4 945 (125W) by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3 GHz
Boost Clock
N/A
Multiplier
15x
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AMD's Phenom II X4 945 (125W) Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Phenom II X4 945 (125W) 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 Phenom II X4 945 (125W)'s cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
128 KB (per core)
L2 Cache
512 KB (per core)
L3 Cache
6 MB (shared)
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K10 Architecture & Process

Manufacturing and design details

The AMD Phenom II X4 945 (125W) is built on AMD'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 Phenom II X4 945 (125W) incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K10
Codename
Deneb
Process Node
45 nm
Transistors
758 million
Die Size
258 mmยฒ
Generation
Phenom II X4 (Deneb)
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K10 Instruction Set Features

Supported CPU instructions and extensions

The Phenom II X4 945 (125W) 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
SSE4A
AMD64
AMD-V
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Phenom II X4 945 (125W) Power & Thermal

TDP and power specifications

The AMD Phenom II X4 945 (125W) has a TDP (Thermal Design Power) of 125W, 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
125W
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AMD Socket AM3 Platform & Socket

Compatibility information

The Phenom II X4 945 (125W) uses the AMD Socket AM3 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 AM3
Chipsets
AMD 700 Series, AMD 800 Series, AMD 900 Series, nForce 630a, nForce 700a, nForce 900a
PCIe
Gen 2
Package
ยตPGA
DDR5

AMD Socket AM3 Memory Support

RAM compatibility and speeds

Memory support specifications for the Phenom II X4 945 (125W) 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 Phenom II X4 945 (125W) 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
Dual-channel
Memory Bandwidth
21.3 GB/s
ECC Memory
Supported
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AMD's Phenom II X4 945 (125W) Integrated Graphics

Built-in GPU specifications

The AMD Phenom II X4 945 (125W) includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the Phenom II X4 945 (125W) provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
On certain motherboards (Chipset feature)
Graphics Model
On certain motherboards (Chipset feature)
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Phenom II X4 945 (125W) Product Information

Release and pricing details

The AMD Phenom II X4 945 (125W) 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 Phenom II X4 945 (125W) by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Apr 2009
Market
Desktop
Status
End-of-life
Part Number
HDX945FBK4DGIHDX945FBGIBOX

Phenom II X4 945 (125W) Benchmark Scores

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No benchmark data available for this CPU.

About AMD Phenom II X4 945 (125W)

The AMD Phenom II X4 945 (125W) by AMD represents a robust and mature processor from the Phenom II X4 generation, featuring AMD's Deneb architecture. Released in April 2009, this chip was designed to deliver reliable performance with its 45 nm manufacturing process, which was state-of-the-art at the time. With four cores and four threads, the AMD Phenom II X4 945 (125W) by AMD was well-suited for multitasking and general computing needs, making it a popular choice for both casual and power users looking for a balance between price and performance. The processor's shared 6 MB L3 cache further supports its ability to handle demanding applications with relative ease.

In terms of performance metrics, the AMD Phenom II X4 945 (125W) by AMD operates at a base clock speed of 3.00 GHz, which provides a solid foundation for everyday computing tasks, such as web browsing, office applications, and media playback. While benchmark data may not be readily available, users can expect a reliable experience for single-threaded and lightly threaded workloads, supported by the processor's four physical cores. The 125W TDP indicates that this CPU is designed to offer consistent performance without excessive thermal constraints, although it may require a capable cooling solution to maintain optimal operating temperatures during extended use.

The AMD Phenom II X4 945 (125W) by AMD was positioned in the mainstream market segment, offering an attractive value proposition for users seeking a capable processor without the premium price tag of high-end models. It was an excellent choice for building or upgrading a desktop system that needed to handle a variety of tasks, from productivity to light gaming. Its compatibility with the AMD Socket AM3 platform also meant that users had access to a range of motherboards, allowing for flexibility in system design and future upgrade paths. This versatility made the processor a compelling option for budget-conscious consumers who wanted a reliable and future-proof system.

When considering pairing suggestions for the AMD Phenom II X4 945 (125W) by AMD, itโ€™s important to match it with components that complement its capabilities. A mid-range discrete graphics card would be ideal for users looking to engage in casual gaming or multimedia tasks, while a balanced amount of RAM, such as 8 GB or more, would ensure smooth multitasking performance. Additionally, choosing a motherboard with a robust power delivery system and adequate cooling would help maximize the processorโ€™s efficiency and longevity. Overall, the AMD Phenom II X4 945 (125W) by AMD remains a solid foundation for a versatile and cost-effective desktop build, suitable for a wide range of computing needs.

The Intel Equivalent of Phenom II X4 945 (125W)

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 โ€ข 4 Cores

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