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LOSTCIRCUITS	SHORTCUTS: A Process Shift Brisbane by Numbers Test Configurations Memory Subsystem Power Consumption 3D Rendering and Power per Renderpass POV-Ray- Cinebench AV-Encoding 3Dmark'06 F.E.A.R. DOOM3 FarCry L2 Cache Latencies The Plot Thickens Final Thoughts Give Us Some Feedback on this Review
AMD's Brisbane Core - the Transition to 65 nm And the cache latency
(Author: MS, January 5, 2007)

3D Rendering

Caligari TrueSpace

We are using our own established "Vases" Benchmark (supplied by Adam Trachtenberg) at 1024 x 768 with Raytracing and 2xAA enabled. TrueSpace 5.1 scales almost linearly with clock frequency and numbers of cores but is also sensitive to cache size and latencies as well as memory bandwidth.

Render Time

Render time in seconds: lower is better! To make a comparison between the Windsor and the Brisbane core easier, we have labeled the Brisbane core with an * whereas any other core is just listed by model number. The green arrows point at a hypothetical Brisbane 4600* and a Windsor 4600+ in otherwise identical system configuration. In this case, the 65 nm CPU is marginally faster than the older 90 nm part.

Render Power

How much CPU electrical power does it take to render the entire scene? Check the graph below:

Power consumption [W]: lower is better

The total power consumption is a composite score factoring in the render time and the power draw recorded during the render pass. Therefore, either a shorter render time or else a lower power draw can positively impact the outcome of the results.

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