CPU Performance

I like to have large historical databases of performance so I can put new products in perspective. The Mac Pro and its funny lineage make this a little difficult. For starters, I simply haven't reviewed all of the Mac Pro CPU combinations that have existed over the years. Then there's also the fact that not all of my Mac suite applies well to a 12-core/24-thread Mac Pro. I'm going to try my best to put the new Mac Pro's performance in perspective, but it's going to require a couple of subsections.

Let's first start with a look at the historical performance of the Mac Pro. I really have to thank @elfurberino and @tapbot_paul for lending their time (and their Mac Pros) to help flesh out this comparison. With their help I managed to put together performance data for almost every single generation of Mac Pro.

We'll start with Cinebench R10's single threaded test. Unfortunately the benchmark crashes on Macs with 16+ threads so single threaded performance is all we'll be able to look at:

Mac Pro Legacy Performance - Cinebench R10, 1CPU

That's right, I still have my old PowerMac G5 Dual 2.5GHz (upgrade from my original 2.0 model). It's interesting to note that single threaded performance has only improved by 2.8x over that 2.5GHz dual G5 machine from around a decade ago. If we were able to also look at multithreaded performance we'd see a much larger gap. The dual G5's multithreaded performance is actually lower than the single threaded performance of the new Mac Pro's IVB-EP (3346 vs 5187). And the new Mac Pro has 12 of those cores.

Here you can see a very healthy increase in single threaded performance over the 2010/2012 12-core system. The 34% increase in performance is because the Mac Pro never got the Sandy Bridge bump. All previous Mac Pros topped out at Nehalem/Westmere. Couple all of the Sandy Bridge improvements with the much higher peak clock speeds (3.5GHz vs. 3.0GHz) and the performance gains make sense.

The 8C system from early 2009 gives us an example of how it's very possible to have a newer Mac Pro actually perform worse than its predecessor. Apple has done a relatively good job this round of keeping the core count/frequency tradeoffs sensible, but you still have to align your silicon choices to your workload.

Moving on to Cinebench 11.5, we lose the PowerMac G5 comparison but we gain a more modern benchmark. Once again we'll start with the single threaded numbers:

Mac Pro Legacy Performance - Cinebench 11.5, 1 thread

There's that healthy single threaded performance bump again. It is pretty incredible to me just how far we've come in single threaded performance since the mid-2000s. What's even crazier is that 2.0GHz Mac Pro from 2006 is only about 40% faster than a Bay Trail tablet with an Atom Z3770.

Mac Pro Legacy Performance - Cinebench 11.5, multithreaded

The multithreaded story is more evolutionary for sure, especially compared to the previous generation 12-core model. Here we're showing a 20% gain over the previous 12-core design. If you're migrating from a machine with fewer cores you can expect a corresponding increase in multithreaded performance. What is most surprising here is that a 2.3GHz 15-inch MacBook Pro with Retina Display (Late 2013) actually offers better multithreaded performance than the 8-core 2.66GHz Mac Pro from early 2008 in the chart above. The new 15-inch rMBP scores a 6.62 here compared to the 6.58 of that old Mac Pro.

I also shared my Firefox build test with Adam and Paul, who helped me fill out the chart below:

Mac Pro Legacy Performance - Build Firefox

There isn't much of an advantage to having 12 cores here, but the new Mac Pro does deliver an amazingly quick build time compared to anything else. The new Mac Pro is good for around a 24% improvement in build performance compared to the outgoing 12-core model.

CPU Choices Putting Mac Pro Performance in Perspective: Professional Apps
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  • LorneKwe - Friday, January 3, 2014 - link

    How about we replace those Quadro 6000's with Radeon 7970s which are what the Mac Pro has inside. You can make any price comparison look like shit when you erroneously drop a few thousand dollars worth of GPUs into the build.

    Dual 6GB 7970s cost $1,400.

    Using that, we can build out a 24C Dual Xeon 2697v2 workstation, with 64GB of RAM, dual 512GB 840 Pro SSDs in RAID0, H100i cooling on each CPU, and it would come to around $10,000. Same price as the Mac Pro's kitted out, 12C config, double the CPU power, and a good chunk more GPU power as they aren't underclocked.

    You also have the option of going with 4x 7970s if you chose to, and if you forgo to ASUS Z9PE board for a proper workstation board, you can go up to 512GB of RAM instead of being capped at 64GB. If you want dual Quadro K5000s instead of 7970s, raise the PC's price by around $1600, but understand that these will outperform Apple's D700 pair by an enormous margin.

    If you're looking for portability, or absolutely require OS X for what you do; choose the Mac Pro. If you're looking for computer power that won't throttle down when faced with tough workloads; have a full-fledged workstation built for you and get much more bang for your buck.
  • stingerman - Sunday, January 5, 2014 - link

    Sorry Dude, this is a Pro Workstation, that mean workstation class GPUs. 7970 is a great CPU but there is a reason it doesn't go into Workstations...
  • madwolfa - Sunday, January 5, 2014 - link

    And what is it? Drivers? D700s in Mac Pro don't even have ECC memory enabled in them.
  • wheelhot - Monday, January 6, 2014 - link

    yes, the drivers provided (and I believe you can only test this in Windows?) will determine if it's actual workstation class GPUs or just Radeons with the name FirePro slapped on it. I'm seriously hoping it's supplied with actual workstation GPU driver, as it'll greatly benefit the software I use.
  • LorneKwe - Tuesday, January 7, 2014 - link

    I'd agree with you if we didn't have solid evidence that Apple's D700 is a repurposed 7970; lack of ECC memory being the best clue, and pricing being a great clue as well.
  • scarhead - Saturday, January 4, 2014 - link

    One Xeon E5-2697 processor costs $2,614. Two costs $5,228. I doubt your $3,712 figure for complete system is accurate.
  • p51mustang6 - Thursday, January 2, 2014 - link

    Apparently any comment disagreeing with the author gets deleted.
  • chaos215bar2 - Friday, January 3, 2014 - link

    Clearly not. Perhaps your comment was rude, trolling, and / or being argumentative without actually adding anything to the discussion?
  • Johan Niklasson - Friday, January 3, 2014 - link

    Great review - thanks. I just wanted to add that the new Mac Pro design and its finish does matter more than most people understand. The ones who work on graphic and video applications usually are artists with some sense of beauty and aesthetics. I am sure that the much more pleasant looking Mac Pro is a welcome addition to such people's workspaces.

    Also the smaller form factor and the silence will make it hard to resist!
  • james-bond - Friday, January 3, 2014 - link

    Thanks for the great review. I wonder if some of the USB ports should have been on the other side of the chassis. Seems like the power cord and monitors are things that are rarely unplugged and are usually on the back side of current case designs. Having to reach around to plug and unplug a flash drive seems inconvenient.
    Please keep and eye out for an upgrade to Logic Pro (Apple's audio pro app). A would love for you to benchmark this in the same way you did Final Cut. I doubt Apple will be able to harness the second GPU for compute in audio applications do to latency in doing real time audio monitoring. Audio has taken a back seat to video apps in this version of the Mac Pro it seems.

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