eSIM Studios
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The ONEXGPU Lite is a small metal box that houses an AMD Radeon RX 7600M XT GPU. You can plug it into a laptop, mini PC, or handheld to add discrete graphics to a system that would otherwise only have an integrated GPU.
While there have been a bunch of graphics docks released over the past few years that have the same GPU, the ONEXGPU Lite stands out as one of the first models that has an 80 Gbps USB4 v2 port as well as a 64 Gbps OCuLink connector. First launched in China earlier this summer, the ONEXGPU Lite is now available for pre-order globally for $699. It's expected to start shipping on October 10th, and the full retail price will eventually go up to $799.
The Radeon RX 7600M XT isn't exactly a state of the art GPU by 2025 standards. But it's probably an upgrade over the integrated graphics found in most modern mobile chips. AMD's GPU features Navi 33 graphics with 32 GPU compute units, 2048 shading units, 8GB of GDDR6 memory. As configured in the ONEXGPU Lite, the graphics processor has a 120 watt TGP.
But the GPU is probably the least interesting thing about this dock. I'm more interested to learn whether the USB4 v2 port brings much of a performance boost over the OCuLink connection. While the port theoretically supports higher data transfer speeds, both connections are limited to 4 lanes of PCIe 4.0, which means that performance will likely be limited to 64 Gbps using either connection method… and you likely won't get the same level of graphics performance as would be possible from a system with a discrete GPU that takes full advantage of a PCIe 4.0 x8 or x16 connection.
But it is nice to have the option of using a USB4 v2 cable in case you want to use the eGPU with a PC that doesn't have an OCuLink port. Right now few computers have either connector, but we're likely to see more USB4 v2 compatible computers in the coming years. That's because Thunderbolt 5 incorporates the USB4 v2 specification.
I'll point out that One Netbook refers to the USB4 v2 port as "USB 5.0" in its marketing. This is not correct, and probably indicates that the company hasn't paid the licensing fees to certify the port as Thunderbolt 5, but realizes that most people don't know what USB4 v2 is.
The eGPU dock measures 114 x 116 x 34.5mm (4.5″ x 4.6″ x 1.4″ and weighs about 494 grams (1.1 pounds). It has a vapor chamber and three fans inside the case, and features a 280 watt power supply.
In addition to the USB4 v2 Type-C and OCuLink ports, the ONEXGPU Lite has HDMI 2.1 and DisplayPort 1.4 ports for connecting up to two displays. It also supports up to 65 watts USB Power Delivery, which should be enough to power many laptops, handhelds, or low power mini PCs connected to the USB Type-C port.
via NotebookCheck
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