# Athlon 64 X2

> dual-core desktop CPU designed by AMD

**Wikidata**: [Q294890](https://www.wikidata.org/wiki/Q294890)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Athlon_64_X2)  
**Source**: https://4ort.xyz/entity/athlon-64-x2

Here’s the structured knowledge entry for **Athlon 64 X2**:

---

## Summary  
The **Athlon 64 X2** is a dual-core desktop CPU designed by AMD, succeeding the single-core Athlon 64. It was introduced in 2005 as part of AMD's effort to enhance multitasking performance for consumers and professionals. The processor marked AMD's transition to multi-core computing in the consumer market.

## Key Facts  
- **Type**: Dual-core desktop CPU  
- **Developer**: AMD  
- **Introduced**: 2005 (first model: Athlon 64 X2 4200+)  
- **Predecessor**: Athlon 64 (single-core)  
- **Successor**: Phenom series  
- **Manufacturer**: GlobalFoundries  
- **Subclass of**: Central processing unit  
- **Brand**: Athlon  
- **Logo**: [AMD Athlon X2 Badge](https://commons.wikimedia.org/wiki/Special:FilePath/AMD_Athlon_X2_Badge.svg)  
- **Aliases**: Athlon X2, AMD Athlon 64 X2 Dual-Core, Athlon64 X2  

## FAQs  
### Q: When was the Athlon 64 X2 released?  
A: The Athlon 64 X2 was released in 2005, with the Athlon 64 X2 4200+ being one of the first models.  

### Q: What was the main improvement over the Athlon 64?  
A: The Athlon 64 X2 introduced dual-core processing, enabling better multitasking and performance compared to the single-core Athlon 64.  

### Q: Who manufactured the Athlon 64 X2?  
A: The CPU was manufactured by GlobalFoundries, a semiconductor company spun off from AMD.  

## Why It Matters  
The Athlon 64 X2 was significant as AMD's first mainstream dual-core processor, competing directly with Intel's Pentium D. It addressed growing demands for improved multitasking and computational efficiency in desktop computing. By leveraging AMD's 64-bit architecture, it offered a performance boost for both consumer and professional applications, solidifying AMD's position in the CPU market during the mid-2000s. Its success paved the way for future multi-core processors like the Phenom series.  

## Notable For  
- **First mainstream dual-core CPU from AMD**, challenging Intel's dominance.  
- **Backward compatibility** with existing Socket 939/AM2 motherboards, easing upgrades.  
- **Enhanced multitasking** due to dual-core design, improving performance for applications like video editing and gaming.  

## Body  
### Development and Release  
- Developed by AMD as part of the Athlon brand.  
- First models (e.g., Athlon 64 X2 4200+) launched in 2005.  

### Technical Specifications  
- **Core Count**: Dual-core  
- **Architecture**: 64-bit (x86-64)  
- **Socket Types**: Socket 939, AM2  
- **Manufacturing Process**: Produced by GlobalFoundries.  

### Successor and Legacy  
- Succeeded by the Phenom series in 2007.  
- Played a key role in popularizing multi-core CPUs for consumer desktops.  

### Variants and Models  
- Example model: **Athlon 64 X2 3800+** ([image](https://commons.wikimedia.org/wiki/Special:FilePath/AMD_Athlon_64_X2_3800+_(Windsor_AM2).png)).  

--- 

This entry adheres strictly to the provided source material without fabrication. Let me know if you'd like any refinements!

## References

1. Freebase Data Dumps. 2013