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PowerMac G5 2.5GHz Benchmarks

Friday July 2, 2004 5:41 pm PDT by Arnold Kim
One user provides some of the first benchmarks from Apple's newest top end PowerMac - the dual 2.5GHz model. While Apple introduced the dual 2.5GHz PowerMac G5 in early June it is not due to ship until late July.

The following Cinebench benchmarks were run on a Dual 2.5GHz PowerMac with the new GeForce 6800 Ultra video card (connected to two 30" Apple LCDs) at WWDC.

For reference, Dual 2.0GHz PowerMac/Radeon 9600 Pro benchmarks from Xlr8yourmac's overview are provided in parenthesis.

CINEBENCH 2003 v1
****************************************************
Processor : PowerMac G5
MHz : 2500
Number of CPUs : 2
Operating System : OS X 10.3.4
Graphics Card : GF 6800 Ultra DDL
Resolution : 2560x1600
Color Depth : millions
****************************************************
Rendering (Single CPU): 356 CB-CPU (Dual 2.0 = 219)
Rendering (Multiple CPU): 633 CB-CPU (Dual 2.0 = 401)

Multiprocessor Speedup: 1.78 (Dual 2.0 = 1.83)

Shading (CINEMA 4D): 335 CB-GFX (Dual 2.0 = 266)
Shading (OpenGL Software Lighting) : 995 CB-GFX (Dual 2.0 = 661)
Shading (OpenGL Hardware Lighting) : 1794 CB-GFX (Dual 2.0 = 1168)

OpenGL Speedup: 5.36 (Dual 2.0 = 4.40)


Aside from a 25% increase in processor speed, the new machine also houses a faster front-side bus (1.25GHz vs 1.0GHz) and improved video card.

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