# GDDR4

> type of SDRAM specifically designed for graphics processing units

**Wikidata**: [Q374633](https://www.wikidata.org/wiki/Q374633)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/GDDR4_SDRAM)  
**Source**: https://4ort.xyz/entity/gddr4

## Summary
GDDR4 is a type of SDRAM (Synchronous Dynamic Random-Access Memory) specifically designed for graphics processing units (GPUs) in graphics cards. It is part of the SDRAM family and succeeded GDDR3, with GDDR5 following it. GDDR4 is optimized for high-performance graphics applications, offering faster data transfer speeds compared to its predecessor.

## Key Facts
- Part of the SDRAM family of computer memory technologies
- Specifically designed for graphics processing units (GPUs) in graphics cards
- Succeeded GDDR3 and was succeeded by GDDR5
- Has a frequency of 275 MHz
- Data transfer speed of 140.8 gigabits per second
- Different from DDR4 SDRAM, which is a general-purpose memory type
- Available in multiple languages on Wikipedia, including English, Spanish, and Japanese
- First mentioned in a reference from October 28, 2013

## FAQs
### Q: What is the main difference between GDDR4 and DDR4 SDRAM?
A: GDDR4 is specifically designed for graphics processing units (GPUs) in graphics cards, while DDR4 SDRAM is a general-purpose memory type used in systems like PCs and servers.

### Q: What is the frequency of GDDR4?
A: GDDR4 has a frequency of 275 MHz.

### Q: What is the data transfer speed of GDDR4?
A: GDDR4 has a data transfer speed of 140.8 gigabits per second.

### Q: What memory types preceded and succeeded GDDR4?
A: GDDR4 succeeded GDDR3 and was succeeded by GDDR5.

### Q: In which languages is GDDR4 documented on Wikipedia?
A: GDDR4 is documented on Wikipedia in multiple languages, including English, Spanish, and Japanese.

## Why It Matters
GDDR4 plays a crucial role in the graphics card industry by providing high-performance memory optimized for GPUs. It succeeded GDDR3, offering improved data transfer speeds and efficiency, which are essential for modern gaming and graphics-intensive applications. GDDR4's design ensures faster and more reliable performance in graphics cards, making it a key component in high-end gaming and professional graphics workstations. Its development and widespread adoption have significantly impacted the capabilities of modern graphics processing units, enabling more realistic visuals and smoother performance in gaming and other graphics-intensive tasks.

## Notable For
- Specifically optimized for graphics processing units (GPUs) in graphics cards
- Succeeded GDDR3 and was succeeded by GDDR5, marking a progression in GPU memory technology
- Offers a data transfer speed of 140.8 gigabits per second, enhancing performance in graphics applications
- Different from general-purpose DDR4 SDRAM, tailored for specialized GPU needs
- Documented in multiple languages on Wikipedia, indicating its widespread recognition and usage

## Body
### Classification and Design
GDDR4 is a subclass of synchronous dynamic random-access memory (SDRAM) and is specifically designed for graphics processing units (GPUs) in graphics cards. It is part of the SDRAM family of computer memory technologies, which includes various types optimized for different applications.

### Performance Specifications
GDDR4 has a frequency of 275 MHz and a data transfer speed of 140.8 gigabits per second. These specifications make it suitable for high-performance graphics applications, ensuring faster and more efficient data processing in GPUs.

### Precedence and Successors
GDDR4 succeeded GDDR3 and was succeeded by GDDR5. This sequence reflects the evolution of GPU memory technology, with each iteration offering improvements in performance and efficiency.

### Differentiation from Other Memory Types
GDDR4 is different from DDR4 SDRAM, which is a general-purpose memory type used in systems like PCs and servers. The specific design of GDDR4 makes it more suitable for the specialized needs of graphics processing units.

### Documentation and Recognition
GDDR4 is documented on Wikipedia in multiple languages, including English, Spanish, and Japanese, indicating its widespread recognition and usage in the industry. The first reference to GDDR4 in a structured database was on October 28, 2013.

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "GDDR4",
  "description": "A type of SDRAM specifically designed for graphics processing units in graphics cards.",
  "sameAs": ["https://www.wikidata.org/wiki/Q15241312", "https://en.wikipedia.org/wiki/GDDR4_SDRAM"],
  "additionalType": "MemoryTechnology"
}

## References

1. Freebase Data Dumps. 2013