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It is safest to assume 5Gbps (and that is what our tests indicate). As such it should support dual external [email protected] via a dongle/dock or 1 x [email protected] monitor via USB-C – and it did.

It also has a Surface Connector that is for power (60W) and data (5Gbps). Using an older Surface Dock (with the latest firmware) it supports dual [email protected] and one x4K at 30Hz.

Surface Dock

Perhaps we expect more from a Windows device. If you use an external monitor/s make sure you make it a condition of sale that it supports your monitor setup.

Comms – PASS

  • Wi-Fi AC, 2×2 MU-MIMO – 866Mbps speed at 2 metres from the router
  • BT 5.0 and aptX
  • GPS (as part of the LTE card)
  • Accelerometer
  • Gyroscope
  • Magnetometer for e-Compass

Missing – Wi-Fi AX and NFC but no big issue


The Qualcomm X24 LTE modem, in theory, is capable of 2Gbps/316Mbps DL/UL. Typical Speed Test results varied from 40-70Mbps download and 30-40Mbps upload. In the Sydney CBD, we got 70/50Mbps.

It is both Nano sim and eSim capable – the latter depends on your carrier.

It supports a huge range of bands so it should be good for international travel. 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66

You can get a 4G/4GX Telstra pre-or-post-paid plan (see here) that gives maximum available (uncapped) upload and download LTE speeds. You can use a Telstra 3/4G MVNO like Boost, Aldi or Woolworths but data speeds max at 100Mbps and can fall back to 3G.

The LTE modem also has GPS and is perfect for a large-screen GPS while travelling. You must download the appropriate maps (generally free from Microsoft Store) to use it as a navigation device.

Sound – PASS

Qualcomm Aqstic audio technology, aptX audio technology with Dolby Audio Premium.

Maximum volume 72dB – not overly loud.

Sound signature – it is quite good. While it is mid-centric, there are subtle hints of bass that give it a  slightly better, fuller sound than the Surface Pro 7.

But the lack of an EQ in the Microsoft Store to at least try to get more bass or treble is puzzling.

Fortunately, BT 5.0 aptX (CD-Quality) codec provides reasonably volume to BT speakers and our reference Sony WH-1000XM3 headphones.

  • Deep Bass: 20-40Hz – none
  • Middle Bass: 40-100Hz – building
  • High Bass: 100 to 200Hz – building to 200Hzt
  • Low-mid: 200-400Hz – flat
  • Mid: 400-1000Hz – flat
  • High-mid: 1-2kHz – flat
  • Low-treble: 2-4kHz – flat
  • Treble:4-6kHz – flat
  • High Treble: 6-10kHz –flat
  • Dog whistle: 10-20 – off the cliff – nil
Surface Pro X Frequency


The rear 10MP, AF is capable [email protected] video. It has no HDR or flash.