AMD Ryzen 5 3400G Review

Written by Antony Leather

September 19, 2019 | 12:20

Tags: #12nm #3rd-gen-ryzen #apu #quad-core #radeon-rx-vega #rx-vega-11 #x570

Companies: #amd

Power Consumption


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For all of the overclocked performance tests, we disable all power-saving technology in order to give us a consistent set of results and also best-case performance numbers - even though technologies such as Intel's SpeedStep might only take microseconds to kick in, that can make a difference in some tests.

However, for the stock speed results and power consumption tests, we re-enable everything in order to get a more real-world power draw. The power draw is measured via a power meter at the wall, so the numbers below are of total system power draw from the mains, not the power consumption of a CPU itself.

We use Prime95's small FFTs test (with AVX instructions disabled) to put the CPU under 100 percent load, while idle power results are taken with the PC sitting at the WIndows desktop.

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Discuss this in the forums

Posted by perplekks45 - Thu Sep 19 2019 13:46

No Zen2, no buy.

Posted by Wakka - Thu Sep 19 2019 14:14

Still think these are absolutely cracking chips for their target audience - 4Ghz+ and 4c/8t is more than enough general CPU grunt for a family/kids PC to power Windows/Office/Youtube etc, and the iGPU is genuinely powerful enough for light gaming. The low power consumption and heat output are just the cherry on the cake.

Zen 2 APU's, if they come with Navi/RDNA graphics, will be a game changer though.

Posted by perplekks45 - Thu Sep 19 2019 16:26

Wakka
Zen 2 APU's, if they come with Navi/RDNA graphics, will be a game changer though.
QFT :thumb:

Posted by fix-the-spade - Thu Sep 19 2019 21:11

Sorry to be that guy, but when it comes to the benchmarks wouldn't it be best to benchmark this against lower end CPUs and/or older higher end chips? It's a given that they'll be slower than the latest Core and Ryzen chips, but nobody who is looking at one of these is realistically looking at one of those. Seeing how it does against something like an i5 4570 bolted to a GTX 960 or 1050 is surely a more useful comparison for the budget, since they're in the same sort of ballpark for total cost.
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