AMD

AMD Athlon II X4 641

AMD processor specifications and benchmark scores

4
Cores
4
Threads
GHz Boost
100W
TDP

AMD Athlon II X4 641 Specifications

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Athlon II X4 641 Core Configuration

Processing cores and threading

The AMD Athlon II X4 641 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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Athlon II X4 641 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Athlon II X4 641 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 Athlon II X4 641 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.8 GHz
Boost Clock
N/A
Multiplier
28x
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AMD's Athlon II X4 641 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Athlon II X4 641 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 Athlon II X4 641'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
1 MB (per core)
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K10 Architecture & Process

Manufacturing and design details

The AMD Athlon II X4 641 is built on AMD's 32 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 Athlon II X4 641 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
K10
Codename
Llano
Process Node
32 nm
Foundry
GlobalFoundries
Transistors
1,178 million
Die Size
228 mm²
Generation
Athlon II X4 (Llano)
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K10 Instruction Set Features

Supported CPU instructions and extensions

The Athlon II X4 641 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
SSE4.1
SSE4.2
AVX
AMD64
AMD-V
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Athlon II X4 641 Power & Thermal

TDP and power specifications

The AMD Athlon II X4 641 has a TDP (Thermal Design Power) of 100W, 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
100W
Tj Max
70°C
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AMD Socket FM1 Platform & Socket

Compatibility information

The Athlon II X4 641 uses the AMD Socket FM1 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 FM1
Chipsets
A75, A55
PCIe
Gen 2
Package
µPGA
DDR5

AMD Socket FM1 Memory Support

RAM compatibility and speeds

Memory support specifications for the Athlon II X4 641 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 Athlon II X4 641 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
29.9 GB/s
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Athlon II X4 641 Product Information

Release and pricing details

The AMD Athlon II X4 641 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 Athlon II X4 641 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Feb 2012
Market
Desktop
Status
End-of-life
Part Number
AD641XWNZ43GXAD641XWNGXBOX

Athlon II X4 641 Benchmark Scores

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No benchmark data available for this CPU.

About AMD Athlon II X4 641

The AMD Athlon II X4 641 packs four physical cores without Hyper‑Threading, delivering a straightforward 4‑thread execution path. Each core operates independently, which eliminates the latency penalties often seen in dual‑core designs when multitasking. Because there is no SMT layer, the scheduler sees a clean core count, making performance analysis more predictable. The chip sits on the FM1 socket, meaning it can be paired with a range of budget‑oriented chipsets that still support DDR3. Its 2.80 GHz base clock sits comfortably in the mid‑range bracket for 2012‑era parts, offering a decent boost headroom for lightly threaded code. With a 100 W TDP, the thermal envelope is modest but requires a competent cooler to stay within safe margins under load. For enthusiasts who enjoy dissecting raw core counts, this processor provides a clean testbed without the complications of asymmetric core designs.

Clock speed is the most obvious performance lever on this model, and the 2.80 GHz frequency translates to roughly 2.5 GHz in real‑world single‑threaded workloads after accounting for typical turbo behavior. The lack of an integrated boost engine means the chip runs at a fixed frequency, which simplifies benchmarking but also caps peak performance. Its 32 nm manufacturing process was a step forward from the previous 45 nm nodes, delivering slightly better leakage characteristics. The 100 W thermal design power is on the higher side for a quad‑core without a built‑in voltage regulator, so power delivery on the motherboard must be robust. Memory bandwidth becomes a critical factor, as the CPU relies heavily on the front‑side bus to feed its cores. The FM1 platform supports DDR3‑1333 as a baseline, but many users push to DDR3‑1600 to squeeze out extra throughput. In synthetic tests, the processor tends to lag behind contemporary Core i5 parts, yet it holds its own in scenarios that favor raw core count over per‑core speed. Below is a quick glance at the key attributes that define its operating envelope.

  • 4 physical cores, 4 threads
  • Base clock: 2.80 GHz
  • TDP: 100 W
  • Socket FM1, 32 nm process
  • Supports DDR3‑1333/1600 memory
  • Released February 2012

The memory subsystem is anchored by a

The Intel Equivalent of Athlon II X4 641

Looking for a similar processor from Intel? The Intel Core i5-2380P offers comparable performance and features in the Intel lineup.

Intel Core i5-2380P

Intel • 4 Cores

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