The Surface Pro 7 has an Intel 802.11ax Wi-Fi 6 module, whereas the Surface Pro X relies on Qualcomm 802.11ac built into the SQ1 SoC. Microsoft's Surface Pros have different Wi-Fi capabilities. Further, it's possible Microsoft can remedy the softer USB-C performance of Surface Pro X, with a future firmware or driver release. Because the internal drive did so well relative to its specifications, we don't think the lack of Arm native benchmarks caused the performance hit. It's definitely faster than USB 2.0, but this performance is not getting the most out of our drive setup. The drive routinely hit around 75% of the read performance of the same drive on the Surface Pro 7, and more embarrassingly, only 50% of the write performance. Unfortunately, the same can't be said for the USB 3.0 controller on the Arm convertible. It's true that ATTO is a native x86 application, but the internal SSD of the Surface Pro X hit its specified speeds.
ATTO on Surface Pro 7 with external USB-C SSDĪTTO on Surface Pro X with external USB-C SSD
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