Graphics Interface Controller

Product Specifications

Technical details and manufacturing context for Graphics Interface Controller

Definition

The Graphics Interface Controller is an integrated circuit component within the Northbridge or Memory Controller Hub that serves as the primary interface between the central processing unit (CPU) and the graphics processing unit (GPU) or integrated graphics. It handles data transfer protocols, manages memory access for graphics operations, and coordinates display output signals. This controller is essential for rendering visual data efficiently and ensuring compatibility between different graphics standards and system architectures. It operates by receiving graphics-related commands and data from the CPU via the system bus, translating them into appropriate signals for the GPU, managing frame buffer access in system memory, handling display timing and synchronization, and implementing interface protocols such as PCI Express, AGP, or proprietary chipset-specific interfaces. It includes arbitration logic to prioritize graphics memory requests and may incorporate power management features for dynamic performance scaling. The controller is fabricated on silicon with copper interconnects and dielectric materials. Key parameters include interface type (PCIe 3.0 x16), data transfer rate (15.75 GB/s per lane), supported graphics APIs (DirectX 12, OpenGL 4.5, Vulkan 1.1), maximum resolution (7680x4320), operating temperature (0–70°C), storage temperature (-40–85°C), operating humidity (10–90% RH), supply voltage (1.0–1.6 V), power consumption (5–15 W), package type (BGA-1150), weight (20–50 g), and MTBF (100,000 hours). These values are reference ranges and must be verified for the specific model and application. The controller is a component used in computer and electronic product manufacturing. For procurement, verify model-specific specifications and standards with the legal manufacturer or supplier.

Working Principle

The Graphics Interface Controller operates by receiving graphics-related commands and data from the CPU via the system bus. It translates these into appropriate signals for the GPU, manages frame buffer access in system memory, handles display timing and synchronization, and implements interface protocols such as PCI Express, AGP, or proprietary chipset-specific interfaces. It includes arbitration logic to prioritize graphics memory requests and may incorporate power management features for dynamic performance scaling.

Common Materials

Silicon, Copper interconnects, Dielectric materials

Technical Parameters

Parameter	Typical range	Notes & selection driver
Interface Type	PCIe 3.0 x16	Determines bandwidth and compatibility with graphics cardsPCIe Base 3.0
Data Transfer Rate	15.75 GB/s	Per lane in each direction; total bandwidth depends on lane count
Supported Graphics APIs	DirectX 12, OpenGL 4.5, Vulkan 1.1	Ensures compatibility with modern software
Maximum Resolution	7680x4320 pixels	8K UHD; requires sufficient VRAM and bandwidth
Operating Temperature	0–70 °C	Above 70°C may cause thermal throttling
Storage Temperature	-40–85 °C	Non-operational; avoid extreme conditions
Operating Humidity	10–90 % RH	Non-condensing; high humidity may cause corrosion
Supply Voltage	1.0–1.6 V	Core voltage; outside range may cause instability
Power Consumption	5–15 W	Depends on load; higher for discrete graphics
Package Type	BGA-1150	Ball grid array; footprint and pinoutJEDEC MO-219
Weight	20–50 g	Including heat spreader; affects board layout
MTBF	100000 hours	Reliability indicator; higher is betterTelcordia SR-332

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Interface Logic Core
Implements the physical layer and data link layer protocols for graphics communication

Material: Silicon
Memory Arbitration Unit
Manages access to system memory for graphics data transfers and frame buffer operations

Material: Silicon
Clock Management Circuit
Generates and synchronizes timing signals for display output and data transfer

Material: Silicon
Power Management Module
Controls voltage regulation and power states for energy efficiency

Material: Silicon

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Graphics Interface Controller.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Northbridge/Memory Controller Hub

View system integration details

Manufacturers of Graphics Interface Controller

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hunan Rika Electronic Tech Co., Ltd.

Hunan, CN

Also makes: Humidity Sensor, Oxygen Probe / Analyzer, Speed Sensor and 9 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

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Frequently Asked Questions

What is the role of the Graphics Interface Controller?

It manages communication between the CPU and the graphics subsystem, handling data transfer, memory access, and display output coordination.

Which interface types does it support?

The listed interface type is PCIe 3.0 x16, but it may also support AGP or proprietary chipset-specific interfaces depending on the model.

What are the key specifications to verify?

Verify interface type, data transfer rate, supported APIs, maximum resolution, operating temperature, supply voltage, power consumption, package type, and MTBF with the manufacturer.

How should I select the right controller for my application?

Consider the required bandwidth, graphics API support, resolution, thermal and power constraints, and package compatibility. Always confirm with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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voltage:	1.0V to 1.2V
clock speed:	Up to 3.2 GHz
temperature:	0°C to 85°C

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards