Apple today began selling a new Radeon Pro W5500X MPX Module for Mac Pro, offering users another GPU option. This new module comes as a cheaper choice to the Radeon Pro W5700X MPX Module, which was introduced in April this year.

While the Radeon Pro W5700X offers 16GB of GDDR6 memory with 448GB/s bandwidth, the Radeon Pro W5500X comes with 8GB of memory and 224GB/s bandwidth, providing half the performance of the more expensive model.

Another difference between these two models is that the W5700X has four Thunderbolt 3 ports and one HDMI 2.0 port, while the W5500X comes with only two HDMI 2.0 ports.

Here’s how Apple describes the new Radeon Pro W5500X MPX Module:

The AMD Radeon Pro W5500X with 8GB of GDDR6 memory is based on AMD’s RDNA architecture, featuring up to 5.6 teraflops of single-precision performance or 11.2 teraflops of half-precision computing. It supports up to four 4K displays, one 5K display, or one Pro Display XDR. The half-height MPX Module design fits in an MPX bay and enables PCIe slot 2 for additional expansion.

The Radeon Pro W5500X GPU can be added to Mac Pro during the build-to-order process at an additional cost of $200. The new GPU is also available as a standalone MPX Module that can already be purchased at Apple’s website for $600. In comparison, the Radeon Pro W5700X MPX Module costs $1,000.

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