# GDDR2

> type of SDRAM specifically designed for graphics processing units

**Wikidata**: [Q4039121](https://www.wikidata.org/wiki/Q4039121)  
**Source**: https://4ort.xyz/entity/gddr2

## Summary
GDDR2 (also written GDDR-2) is a type of synchronous dynamic random-access memory (SDRAM) specifically designed for graphics processing units. It is a member of the GDDR SDRAM family used on graphics cards and sits in the product lineage between original GDDR SDRAM and GDDR3.

## Key Facts
- GDDR2 is a type of SDRAM specifically designed for graphics processing units.  
- GDDR2 is part of the GDDR SDRAM family used on graphics cards.  
- GDDR2 is subclassed under synchronous dynamic random-access memory (SDRAM).  
- GDDR2 is part_of graphics cards, which are expansion cards that generate a feed of output images to a display.  
- GDDR2 follows (succeeds) GDDR SDRAM in the GDDR lineage.  
- GDDR2 is followed_by GDDR3 in the GDDR lineage.  
- Alias: GDDR-2.  
- GDDR2 is explicitly different_from DDR2 SDRAM (different memory types used in different contexts).  
- Wikipedia language pages exist for GDDR2 in Spanish (es), Russian (ru), and Ukrainian (uk); sitelink_count: 3.  
- Google Knowledge Graph identifier for GDDR2: /g/121kq7r2.  
- PCPartPicker product type identifier related to video cards: video-card/#T=6.

## FAQs
### Q: What is GDDR2?
A: GDDR2 is a graphics-oriented form of SDRAM designed for use with graphics processing units and graphics cards. It belongs to the GDDR family of memories and is positioned between GDDR (earlier) and GDDR3 (later).

### Q: How does GDDR2 differ from DDR2 SDRAM?
A: GDDR2 is designed specifically for graphics processing units and the GDDR SDRAM family, while DDR2 SDRAM is a different memory type (system memory) and is explicitly noted as different_from GDDR2.

### Q: Is GDDR2 used on graphics cards?
A: Yes. GDDR2 is part of the memory technologies used on graphics cards, which are expansion cards that generate output images to a display.

### Q: What succeeded GDDR2?
A: GDDR3 followed GDDR2 in the GDDR SDRAM family.

## Why It Matters
GDDR2 matters because it represents a stage in the specialized evolution of memory technologies tailored to graphics workloads. As a member of the GDDR SDRAM family, GDDR2 was created with the design goal of serving graphics processing units rather than general-purpose system memory. Graphics cards rely on dedicated memory to store textures, frame buffers, and other graphics data that must be read and written rapidly to generate image output to displays. By being part of the GDDR lineage, GDDR2 occupies a role in the progression of graphics memory designs that sought to meet the bandwidth and workload characteristics of GPUs. Its placement between original GDDR SDRAM and GDDR3 marks it as an intermediate generation in that evolution and highlights the ongoing differentiation between graphics memory and system memory (such as DDR2). For anyone studying GPU hardware, graphics card architecture, or memory technology lineages, GDDR2 is a distinct, named step in that trajectory.

## Notable For
- Being a GDDR-family SDRAM variant explicitly designed for graphics processing units.  
- Acting as the generation between GDDR SDRAM and GDDR3 in the GDDR lineage.  
- Being explicitly different from DDR2 SDRAM (distinct classes for graphics vs. system memory).  
- Known alias styling as "GDDR-2".

## Body
### Overview
- GDDR2 is a graphics-oriented SDRAM technology.  
- It is part of the GDDR SDRAM family used on graphics cards.  
- Graphics cards are expansion cards that generate a feed of output images to a display.

### Classification & Relationships
- Subclass_of: synchronous dynamic random-access memory (SDRAM).  
- Part_of: graphics card (the class of expansion card for display output).  
- Follows: GDDR SDRAM (earlier form in the same family).  
- Followed_by: GDDR3 (subsequent generation in the family).  
- Different_from: DDR2 SDRAM (not the same as system DDR2 memory).

### Naming & Identifiers
- Common alias: GDDR-2.  
- Google Knowledge Graph ID: /g/121kq7r2.  
- PCPartPicker product type reference: video-card/#T=6.  
- Wikipedia-language presence: Spanish (es), Russian (ru), Ukrainian (uk); sitelink_count recorded as 3.

### Usage & Role
- Intended and described as memory for graphics processing units.  
- Used in the context of graphics cards, which provide image output to displays.  
- Positioned within the GDDR family lineage between earlier GDDR SDRAM and later GDDR3.

### Availability & References
- The entity is represented in multiple language Wikipedias (es, ru, uk).  
- Structured metadata and identifiers exist linking GDDR2 to knowledge sources (e.g., Google Knowledge Graph).

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "GDDR2",
  "description": "GDDR2 is a type of SDRAM specifically designed for graphics processing units.",
  "sameAs": ["/g/121kq7r2"],
  "additionalType": "synchronous dynamic random-access memory"
}