GPU database reference

Verified catalog record

ATI Radeon HD 4890

ATI · Radeon R700(HD 4800) · Radeon HD 4890

ATI Radeon HD 4890 graphics reference with normalized architecture, compute, memory, clocks, PCIe, display, media, power, and physical specifications where verified data exists.

VRAM
1 GB GDDR5
Boost clock
0.85 GHz
PCI Express
PCIe 2.0 x16
Board power
190 W

Technical data

Specifications

Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.

Overview

ManufacturerATI
FamilyRadeon R700(HD 4800)
Launch date2009-04-02

Architecture

ArchitectureTeraScale
GenerationRadeon R700(HD 4800)
GPU / chipRV790
FoundryTSMC
Process55 nm

Compute

Compute units12 CUs
Shader processors800

Memory

VRAM1 GB
Memory typeGDDR5
Memory bus256 bit
Memory bandwidth124.8 GB/s

Clocks

Base clock0.85 GHz
Boost clock0.85 GHz
Memory clock0.97 GHz

PCIe

Bus interfacePCIe 2.0 x16

Display

Display outputs2x DVI, 1x S-Video

Power

Board power190 W
Suggested PSU450 W
Power connectors2x 6-pin

Physical

Reference dimensions241 mm × 40 mm × —
Slot widthDual-slot

Hardware navigation

Bounded links selected from structured family, platform, generation, and architecture fields—not model-number proximity.

Sources

Specification provenance

No public source record is available.

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