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Minisforum R3GAF eGPU: Radeon 7600M XT powered, boasts OCuLink support for minimal performance hit

The Minisforum R3GAF external GPU is based on the RX 7600M XT, offering a healthy performance boost to mini PCs and handhelds. (Source: TechPowerUp)
The Minisforum R3GAF external GPU is based on the RX 7600M XT, offering a healthy performance boost to mini PCs and handhelds. (Source: TechPowerUp)
Minisforum has unveiled the R3GAF eGPU based on the Radeon RX 7600M XT mobile GPU at Computex 2024. Thankfully, OCuLink support is present, which offers substantially better performance than Thunderbolt 4.

Most mini PCs do not come with internal discrete graphics, mostly due to their modest thermal and power budgets. For such systems, eGPUs come in rather handy for a significant boost in graphics power, and Minisforums’s latest RX 7600M XT-powered R3GAF eGPU with OCuLink support aims to do just that.

The AMD Radeon 7600M XT is a powerful mobile GPU based on the RDNA 3 architecture. Featuring 12 CUs and 8 GB of GDDR6 memory, it performs admirably well, coming close to the NVIDIA RTX 4070 Laptop GPU in synthetic tests. Typically, the performance hit from using an eGPU compared to a direct motherboard connection is a rather significant drawback. OCuLink largely mitigates this issue, thanks to its 4-lane PCIe connection boasting speeds up to 64 GT/s, more than 50% faster than that of Thunderbolt 4. 

The R3GAF eGPU supports upto 3 external displays thanks to dual DisplayPort 1.4 and a single HDMI 2.1 port. (Source: TechTablets via Twitter)
The R3GAF eGPU supports upto 3 external displays thanks to dual DisplayPort 1.4 and a single HDMI 2.1 port. (Source: TechTablets via Twitter)

It’s worth noting that Minisforum also recently launched the DEG1 graphics dock with OCuLink support, and unlike the R3GAF, the former can be configured with high-end cards from both NVIDIA and AMD, including the mighty RTX 4090. For customers looking for higher performance figures than what the 7600M XT in the R3GAF can offer and are willing to bring their own GPU, docking stations such as the DEG1 might be a better option.

The R3GAF also includes an HDMI 2.1 port, along with 2x DisplayPort 1.4 ports which can support up to 3 external displays. Apart from these, 3x USB 3.2 Gen 1 ports as well as a single Type C port are also present. There is no word on pricing yet, but given that the similarly specced ONEXPLAYER eGPU currently retails around $750, we can expect the R3GAF to be priced competitively in the same range.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2024 06 > Minisforum R3GAF eGPU: Radeon 7600M XT powered, boasts OCuLink support for minimal performance hit
Sambit Saha, 2024-06- 8 (Update: 2024-06-10)