The Radeon HD 5450 is built on a 40nm process but has just 292 million transistors, which is a small fraction of what's found in the high-end Radeon HD 5800 series GPUs or even just half the transistor count in the next higher-end model, the Radeon HD 5550. The ATI Radeon HD 5450 has a core memory clock of 650MHz and a memory clock of 800MHz. There are 80 Stream processors, Avivo HD / UVD2, CrossFireX support, OpenGL 4.0 support, OpenCL 1.1 support, and the card has a maximum TDP of just 19 Watts. The single-precision processing power for this card is 104 GigaFLOPS.
For this Linux testing of the Radeon HD 5450 we had bought a Sapphire Radeon HD 5450 graphics card that sports 512MB of DDR2 memory. This card will only set you back around $40 USD and is passively cooled. Included with the retail graphics card was a Sapphire quick installation guide, a Sapphire driver CD, and two low-profile brackets... Phoronix
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