AMD Kaveri A8-7600 and A10-7800 APU Review

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Power Consumption


Power efficiency remains important to PC users and Intel and AMD have both made great strides to improve power efficiencies. On the Intel side we’ll be looking at the Core i7-3770K with a TDP of 77W, the Core i7-4770K at 84W, the Core i7-4970K at 88 Watts and the Pentium G3258 at 53 Watts. On the AMD side we’ll be lloking at the AMD A10-7800 and A8-7600 APUs at both 45W and 65W TDP power targets.


Benchmark Results: The results here are the opposite of what we expected as the AMD A8-7600 used more power at idle and load than the AMD A10-7800. The AMD A8-7600 APU that we are using was from 2013 and was an early engineering sample processor, so it appears that AMD has been able to clean things up with the latest retail processor. We will put no weight on the AMD A8-7600 numbers as that are meaningless.  The AMD A10-7800 retail APU has pretty good numbers and averaged just 24 Watts at idle and then 86W when running Handbrake with the 65W TDP setting and 67Watts with the 45W TDP setting. One would expect to see a 20W drop when lowering the TDP by that amount and we saw a 21W drops, which is close enough. The AMD 4th Generation APUs appear to be very competitive on the power front, but if you factor in the performance per watt the tables would once again turn.


When you look at performance per watt with regards to our power measurement in Handbrake the Intel Core i7-4790K actually comes out on top. The AMD 4th Generation A-Series APUs have a better performance per watt rating when run with the 45W TDP power target than the 65W TDP power target. AMD did show on their marketing slides that these processors were optimized for 45 Watt operation and this slide might be show the reason why that claim was made.


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  • Guest

    This comparison doesnt make sense to me . Apu A10 and A8 cost is more comparable to i3 processors , so it would be better to compare those two rather than comparing to i7.

  • steve bobkid

    ughh I am running AMD A8 7600 right now. it is slower than the Pentium 3 in my backup computer

    • Felix

      Suuuuure it is slower :)))

  • humpidumpi

    You are testing it with Metro Last Light. You kidding me right? This platform is created to play older games at medium settings, world of warcraft and world of tanks type of stuff and that for low cost (you don’t need extra graphics card) and low power consumption. Where’s the benchmark? You made a bunch of irrelevant benchmarks that nobody will ever need.

  • Eugen

    Atrocious review!

    For god’s sake, a Kaveri will be used for light to medium gaming and media playback / encoding and office tasks. Why don’t you add some 18 core Xeon Cinebench scores while you’re at it?

    Get a fanless case and investigate the fanless potential of the 45W mode. Test undervolting.

    Get five 2012 games, five 2013 games and five 2014 games and investigate the optimum 720p and 1080p performance under hand-optimized settings.

    Testing Metro 2033 is like trying to see if your duck meows.

  • albert89

    My final thoughts about this Kaveri review is that it was heavily biased in favour of Intel. And was proudly brought to you by Illegitimate reviews !

  • albert89

    Q:So why was the reviewer too afraid to compare the Kaveri against an i5 ?
    A: Because that would show how much better performing the Kaveri was. Besides who cares if the Kaveri is at 28nm when compared to Intel’s 22nm.

  • Anonymous

    The fact AMD sends reviewers engineering sample of A8-7600 means only one thing. It will not be available at retailer until next year.

    AMD did the same paper launch for A8-7600 in early January this year. 7 months later, product still not available for purchase. Even HP prebuilt PC only listed for ordering.

    • Anonymous

      Wrong. The A8-7600 is available right now and ships within 24 hours at Tiger Direct for $109.99. It should be available at Newegg and Amazon sometime next week.

  • guest

    You know this is an Apu right?
    Where is the game benchmarks?

    • perfectlyreasonabletoo

      You know this is an APU right?
      Who would be interested in Minesweeper and Bejeweled benchmarks?

      • Guest

        Even an intelgpu can run thoose games mate:)
        Was more thinking about games like Battlefield 3 Tomb Raider Bioschock etc
        Thats what this apu is meant for.
        If i wanted to use a graphics card i would i would buy a fx6300 or an intel i5 if it was on offer:)
        Anyway ive found the game benchmarks on another site:)

        • Nathan Kirsch

          I’ll be adding some game benchmarks for you. Testing at both TDP power targets on the processors took a little longer than planned and we had to get the article up on the launch day.

        • Nathan Kirsch

          I have added Metro Last Light benchmark results in on a page for you.

    • ye

      You know this is an APU right?

  • basroil

    Kind of pathetic considering these chips almost lost to intel integrated graphics on bench tests!

    Efficiency improvements are a welcome change though, maybe AMD finally is getting their stuff together and figuring out how to merge high performance and good efficiency like Intel did years ago.

    • Zero

      Actually Intel is dedicating all their efforts to GPU, but now they are consuming more power :/

      On the other hand AMD FAILED hard in the A10 7800 scores and hyped the A8 7600 who is cheaper and graphically better than a Core i3 (but in CPU performance is pretty bad).

      AMD now stands for gaming and Intel for serious business…from Core i5…