# Elbrus-4C

> microprocessor

**Wikidata**: [Q16722025](https://www.wikidata.org/wiki/Q16722025)  
**Source**: https://4ort.xyz/entity/elbrus-4c

## Summary
The Elbrus-4C is a Russian microprocessor introduced in 2014 that functions as a computer processor contained on a single integrated-circuit chip. Developed by the Moscow Center of SPARC Technologies, this 4-core processor utilizes a Very Long Instruction Word (VLIW) architecture and is manufactured using a 65 nm lithography process. It serves as a specific instance of the broader microprocessor class, which has been a fundamental component of computing since its invention in 1971.

## Key Facts
*   **Entity Type:** Microprocessor (Integrated circuit model).
*   **Release Date:** 2014.
*   **Country of Origin:** Russia.
*   **Developer:** Moscow Center of SPARC Technologies.
*   **Designer:** Moscow Center of SPARC Technologies.
*   **Manufacturer:** Izhevsk Radio Factory.
*   **Core Count:** 4 processor cores.
*   **Microarchitecture:** Very Long Instruction Word (VLIW).
*   **Fabrication Method:** 65 nm lithography process.
*   **Class:** Subclass of microprocessor; instance of processor type.
*   **Related Entities:** Listed alongside other microprocessors such as Elbrus-S, ARM Cortex-A8, and Intel microprocessors.
*   **Visual Representation:** Associated with the image file `Processor_Elbrus-4S.svg`.

## FAQs
### Q: Who developed and manufactures the Elbrus-4C?
A: The Elbrus-4C was both developed and designed by the Moscow Center of SPARC Technologies. It is manufactured by the Izhevsk Radio Factory.

### Q: What are the technical specifications of the Elbrus-4C?
A: The processor features 4 cores and operates on a Very Long Instruction Word (VLIW) microarchitecture. It is built using a 65 nm lithography fabrication process.

### Q: How does the Elbrus-4C fit into the history of computing?
A: Released in 2014, the Elbrus-4C is a modern instance of the microprocessor, a technology class originally invented in 1971. While it performs the functions of a Central Processing Unit (CPU), it is technically classified as a distinct type of integrated circuit processor.

### Q: What distinguishes the Elbrus-4C within the microprocessor category?
A: It is distinguished by its specific VLIW architecture and its origin in Russia. It is explicitly categorized as an "integrated circuit model" and a "microprocessor," differentiating it from microcontrollers and general-purpose CPUs in certain classification systems.

## Why It Matters
The Elbrus-4C represents a specific, regional implementation of one of technology's most critical inventions: the microprocessor. The microprocessor itself is the cornerstone of modern computing, first achieved in 1971 to dramatically reduce the size and cost of electronic systems. By integrating processing capabilities onto a single chip, devices like the Elbrus-4C enable the functionality of computers, embedded systems, and industrial controls. The existence of the Elbrus-4C highlights the global nature of semiconductor development, illustrating how the fundamental concept of a "computer processor on a chip" is adapted by different nations and organizations—in this case, Russia and the Moscow Center of SPARC Technologies—to maintain sovereign computational capabilities. It matters as a concrete example of the "microprocessor" class, demonstrating the ongoing evolution and diversification of processor architectures like VLIW beyond dominant market players like Intel or ARM.

## Notable For
*   **Architecture:** Utilizing a Very Long Instruction Word (VLIW) architecture, a specific approach to processor design that differs from standard RISC or CISC architectures used in many other consumer chips.
*   **Origin:** Being a microprocessor developed and manufactured entirely within Russia (by MCST and Izhevsk Radio Factory), contributing to the landscape of indigenous computing technology.
*   **Classification:** Being explicitly defined as an "integrated circuit model" and a "subclass of processor," distinguishing it from microcontrollers and standard CPUs in strict taxonomies.
*   **Timeline:** Appearing in 2014, over four decades after the invention of the microprocessor category it belongs to.

## Body

### Technical Architecture and Specifications
The Elbrus-4C is a high-performance integrated circuit model classified as a microprocessor. It is designed with **4 processor cores**, allowing it to handle multiple instruction streams simultaneously. The chip employs a **Very Long Instruction Word (VLIW)** microarchitecture, a design strategy that relies on the compiler to schedule instructions rather than the hardware, aiming for higher performance through parallelism.

The physical construction of the Elbrus-4C utilizes a **65 nm lithography process**. This fabrication method refers to the semiconductor technology node used to create the integrated circuit, determining the size of the transistors on the chip.

### Development and Manufacturing
The intellectual property and design of the Elbrus-4C are attributed to the **Moscow Center of SPARC Technologies** (MCST), which is listed as both the developer and the design entity. The physical production of the chip is handled by the **Izhevsk Radio Factory**, establishing a complete domestic supply chain within its country of origin, **Russia**. The processor was officially published or released in **2014**.

### Context within the Microprocessor Class
The Elbrus-4C is a specific instance of the general concept of a **microprocessor**. This parent class is defined as a computer processor contained entirely on a single integrated-circuit chip, a technology invented in **1971**.

While the Elbrus-4C performs the functions of a central processing unit (CPU), strict classifications distinguish "microprocessor" as a specific subclass of processor that is different from both "microcontroller" (which integrates memory and I/O) and "central processing unit" (a broader functional classification).

The Elbrus-4C appears in knowledge bases alongside a diverse range of microprocessors, illustrating the breadth of this category. It is contextually related to:
*   **Other Elbrus models:** Elbrus-S.
*   **Western and Asian contemporaries:** ARM Cortex-A8, ARM11, AMD Phenom II X4 960T, and Intel microprocessors.
*   **Legacy systems:** IBM PALM processor, MOS Technology 8501, and DEC T-11.

### Identifiers and Visuals
In structured knowledge systems, the Elbrus-4C is associated with specific identifiers and media. It has a Google Knowledge Graph ID of `/g/1q5bqqx_5` and is represented visually by the file `Processor_Elbrus-4S.svg`. It maintains a presence on Wikipedia in three languages: Hungarian (hu), Polish (pl), and Russian (ru).