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All of these boards, to a greater or lesser extent, suffer from cooling and power delivery challenges. For any serious attempt to benchmark them, the first step would be to control the cooling and power and to ensure that both are adequate.
I'm not sure what the point of discussing the GPU on these chips is. None of these benchmarks use the GPU. To further that point, I'm not sure what the point of discussing the video decoding hardware support is, either as none of these benchmarks rely on that, either.
Unlike PCs, GPUs on these ARM chips only handle 3D graphics. Video decode (encode) are done by a completely different part of the chip. Add to that the fact that the video encode benchmarks don't use the hardware encode unit--they're completely CPU tests--any discussion of GPU and video encode/decode units seems misplaced. Now, if you're concerned with them because you're interested in the usefullness of these chips *beyond* the scope of benchmarking, then that discussion makes sense. But as far as these benchmarks go, they are immaterial.
The Allwinner results look very strange. I would be curious to know what clock speed those chips are running at. The processor frequency can be set in the DTS and is often customized by the distro, so it's impossible to know this unless you instrument the boards during the benchmark run.
LoveRPi, what do you mean the C2 is 20% overclocked as compared to the Le Potato board? The stock clock speed for the HardKernel Ubuntu distro is 1.536GHz while the Le Potato claims 1.512GHz. That doesn't seem to be 20%.
Michael, could you correct the price on the C2 to $46? The C1+ should be $35 as well. The price list seems to be a mix of list prices and uncited retail prices. If you would like, I would be willing to track down the list prices for all of the boards.
I'm not sure what the point of discussing the GPU on these chips is. None of these benchmarks use the GPU. To further that point, I'm not sure what the point of discussing the video decoding hardware support is, either as none of these benchmarks rely on that, either.
Unlike PCs, GPUs on these ARM chips only handle 3D graphics. Video decode (encode) are done by a completely different part of the chip. Add to that the fact that the video encode benchmarks don't use the hardware encode unit--they're completely CPU tests--any discussion of GPU and video encode/decode units seems misplaced. Now, if you're concerned with them because you're interested in the usefullness of these chips *beyond* the scope of benchmarking, then that discussion makes sense. But as far as these benchmarks go, they are immaterial.
The Allwinner results look very strange. I would be curious to know what clock speed those chips are running at. The processor frequency can be set in the DTS and is often customized by the distro, so it's impossible to know this unless you instrument the boards during the benchmark run.
LoveRPi, what do you mean the C2 is 20% overclocked as compared to the Le Potato board? The stock clock speed for the HardKernel Ubuntu distro is 1.536GHz while the Le Potato claims 1.512GHz. That doesn't seem to be 20%.
Michael, could you correct the price on the C2 to $46? The C1+ should be $35 as well. The price list seems to be a mix of list prices and uncited retail prices. If you would like, I would be willing to track down the list prices for all of the boards.
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