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Graphics cards/AMD Radeon R9 280

AMD · Radeon R9 200 · Desktop

AMD Radeon R9 280

The AMD Radeon R9 280 is AMD’s desktop graphics card with 3 GB of memory, 1,792 shading units and a boost clock of 933 MHz.

Radeon R9 280Illustration

Drawn from this part’s own specifications. No openly-licensed photograph of the AMD Radeon R9 280 exists, so this is an illustration rather than a photograph.

Overview

The AMD Radeon R9 280 is AMD’s desktop graphics card with 3 GB of memory, 1,792 shading units and a boost clock of 933 MHz. These are the manufacturer’s published figures. They describe what the chip is designed to do, not what your particular machine does with it, and the gap between those two is usually cooling. A boost clock is a ceiling rather than a promise, and how long a graphics card holds it under continuous load is the one thing no specification sheet can tell you.

Specifications

Architecture
Not verified
Shading units
1,792

Comparable within an architecture. Across vendors or generations it is not a like-for-like count.

Base clock
Not verified
Boost clock
933 MHz
Memory
3 GB
Memory type
Not verified
Memory bus
Not verified
TDP
Not verified

Board power, not measured draw. A laptop GPU's power is a range the laptop maker chooses within.

Process
Not verified
Launched
Not verified

Sources

Each figure, the label its source printed beside it, and the day it was read.

FigureAs printedSourceChecked
Shading units1,792Stream Processorsamd.comSpecification page
Boost clock933 MHzBoost Frequencyamd.comSpecification page
Memory3 GBMax Memory Sizeamd.comSpecification page

Measured on SystemCheck: not enough runs yet. Run the test to add yours.

Every figure on this sheet is a design target. None of it is a measurement.

Nothing above describes how a graphics card behaves twenty minutes into a sustained workload, which is where two chips with nearly identical specifications routinely diverge. A boost clock is a ceiling the vendor permits, not a rate the chip sustains, and whether it holds depends on the cooling, the case, the power profile and the room. None of those appear on a specification sheet.

We deliberately do not reduce these figures to a single score. A composite invented from specifications would look authoritative and measure nothing, and choosing the weights would be choosing the winner.