Benchmark | MacBook Air Rev. B | Laptops

Monday, 15 June 2009 19:54

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Article Index
MacBook Air Rev. B
Specifications
Package contents
Build & Design
Build & Design continued
Benchmark
Benchmark continued
Conclusion
All Pages

Page 6 of 8

Benchmark
Benchmarks are run at factory settings under Windows 7 unless otherwise is specified.

Basis of comparison:

Samsung X360

Processor
Intel Core 2 Duo SU9300 – 1.20 GHz – 800 MHz FSB – 3 MB Cache

Chipset
Intel GS45 + ICH9MS

RAM
1 x 1024 + 1 x 2048 MB DDR3 RAM – 800 MHz

GPU
Intel GMA 4500M HD – 32 MB (dedicated) + 1164 MB (shared)

HDD
1.8” – 120 GB HD – SATA300 – 16 MB – 5400 RPM

Battery
6200 mAh – 6 cells

Boot and out of standby times

Boot and out of standby times are measured from when the power button is pressed and the desktop appears. Measurements made in Leopard OS X.

As shown by the graphs the Samsung boots up the quickest. Whether this is because the MBA has two operating systems installed I cannot say, but the Samsung is the clear winner when it comes to battery. Matters are entirely different for out of standby; the machines are so even the difference might as well be attributed to a measurement error. Both are quick in any case.

Battery life

Battery-eater Pro 2,70 is used to measure the longevity of the batteries. Measurements made in Leopard OS X.

Stated battery life: 5 hours (with wireless)

Idle test settings: CPU load approaching 0%, brightness minimum, all power saving functions activated.
Load test settings: CPU load approaching 100%, brightness 100%, no power saving functions activated.

The MBA cannot compete with the rival Samsung when it comes to idle, but during load the two machines last about equally long. The five hours Apple state as maximum with wireless activated seems very optimistic, but possible nonetheless. All in all the battery life can be described as good but not impressing in any way.

The processor

SuperPI

SuperPI tests the speed of the CPU but uses only one core. The result is a time in seconds, hence the lower the better.

Since the MBA has the more powerful CPU it is only natural it is the victor.

wPrime v2.00

wPrime calculates the number PI with 32 million decimals. wPrime is capable of utilizing multi-core processors and will thus give a better picture of the CPU’s performance than for example SuperPI. The result is a time in seconds, hence the lower the better.

The picture is painted in wPrime, though the difference here is not quite as large.

Sisoft Sandra CPU Arithmetic

SiSoft Sandra’s Whetstone and Drystone benchmark tests the processor’s ability to do pure number crunching, which occurs during gaming or different forms of picture editing. The measure is in Mflops (Millions Floating Point Operations Per Second) – the higher, the better.

Again the MBA emerges as the sharpest tool in the shed.

Sisoft Sandra CPU Multimedia

The multimedia test in Sisoft Sandra is calculated on a 2D figure. The output (it/s) is Mandelbrot iterations per second, i.e. the bigger the better.

And naturally the MBA wins in the multimedia test as well.

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