For our processor tests we used Cinebench. For evaluating professional graphics-rendering performance, Cinebench is the standard benchmark tool to show differences between computer workstations. We’re used to seeing small incremental increases in the benchmark point score as newer PCs with faster processors are released. What we’re not so familiar with is faster-clocked processors of the same family returning lower numbered results. But that’s exactly what we saw in both the Cinebench 11.5 and Cinebench 15 multi-core processor tests.
For context, last year’s ‘best’ model scored 1.46 points in Cinebench 11.5 in single-core mode, and 6.82 points in multi-core mode. Here we can see the benefit of Intel’s Hyper Threading Technology (which can process eight threads simultaneously to give the effect of eight virtual cores), as the multiplier between results is greater than four. A simple quad-core processor would demonstrate a multiplier difference of four at most, or more probably slightly less.
And the 4.65x multiplier figure is despite the single-core mode Turbo advantage – a single core alone can benefit from a Turbo Boost that should increase the 2.3GHz baseline processor clock to a short-term single-thread overclock frequency up to 3.5GHz.
This year’s ‘best’ model scored 1.55 points in single-core mode, a 6 percent increase easily attributed to the difference in peak Turbo frequencies, which have moved from 3.5 to 3.7GHz – also around a 6 percent delta.
But in the multi-core mode test, this year’s top 15-inch MacBook Pro scored 6.48 points. That’s around a 5 percent decrease in its point score compared to the Late-2013, 2.3GHz model.
Turning to Cinebench 15, last year’s model scored 126 and 623 points, respectively, for single- and multi-core modes. This year’s model scored 134 and 599 points. So again we see an upward shift for the single-core test, as we’d expect with an increase in processor frequency; but a downward trend when all eight virtual cores are engaged. Read more MacBook Pro Retina reviews.
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Operating system changes
Given that most of the hardware components are identical between generations – certainly the memory specification, even if we didn’t check for other running changes on the logic board – the other tangible difference between models is the installed operating system.
We tested the Late 2013-generation of MacBook Pro with Retina display when it first launched, and its OS then was the then brand-new OS X Mavericks. The latest 2014 model is also shipping with Mavericks pre-installed, but a later iteration – 10.9.4 versus the 10.9.0 on the previous model. We tried running the Cinebench tests again on last year’s MacBook Pro with the latest 10.9.4 operating system, and were surprised to find important differences.
With 10.9.0, the Late 2013 model scored 1.46 and 6.82 points for single- and multi-core modes. With 10.9.4 the same machine scored 1.46 again; but 5.96 points in the multi-core test. That’s a 14 percent lower point score.
Similarly in the Cinebench 15 benchmark test, comparing results on the same notebook between two OS versions, the single-core result was the same at 126 points, while multi-core was lower with the newer OS update: now 527 instead of 623 points. That’s an 18 percent lower score.
But maintaining the same OS version, we can now directly compare just hardware upgrade between Late 2013 and Mid 2014 models. In Cinebench 11.5, there was a 6.3 percent increase in point score in single-core mode; and 13.7 percent increase in multi-core. In Cinebench 15, there was a similar 6.2 percent increase in single-core mode; and 8.7 percent in multi-core operation.
Our tentative conclusion from these results is that the Mid-2104 MacBook Pro hardware is indeed several percent faster than the Late-2013 model, as indicated by Cinebench test results when both machines are running OS X 10.9.4. And that the update from 10.9.0 to 10.9.4 has reduced performance slightly in multi-processor mode, at least when testing with either v11 or v15 versions of the Maxon Cinebench test.
Turning to Geekbench 3, we saw no such discrepancy between OS versions. The latest Mid-2014 MacBook Pro with Retina display here scored 3658 in single-core mode and 14360 points in multi-core – both these results ahead of the 3461 and 13571 point results of last year’s model. And importantly, showing a consistent multiplier figure, albeit of around 3.92x.
Compared directly to the Late 2013 model with its 2.3 GHz processor, the Mid 2014 15-inch MacBook Pro was 5.7 percent faster in Geekbench 3.1.6‘s single-core mode, and 5.8 percent faster in its multi-core mode.
Read more about the tests we ran on the Retina MacBook Pro in our full review: 15-inch 2.5GHz MacBook Pro with Retina display review