China’s MTT S80 PCIe 5.0 Gaming GPU appears in fresh brenchmark

Chinese semiconductor Manufacturer Moore Threads recently revealed their MTT S80 GPU. It's difficult to say whether the MTT S80 has what it takes to compete with the best graphics cards,…

By Nivedita Bangari

February 5, 2023

3 min read

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Chinese semiconductor Manufacturer Moore Threads recently revealed their MTT S80 GPU. It’s difficult to say whether the MTT S80 has what it takes to compete with the best graphics cards, but hopefully the latest benchmarks from graphics card collector Löschzwerg(opens in new tab) will provide some insight.

While Moore Threads is still in its early stages, the company has strong leadership. Moore Threads was founded in 2020 by former Nvidia global VP and China GM Zhang Jianzhong, making it a relative newcomer to the graphics card market. Aside from being China’s domestic graphics card, the MTT S80 has received a lot of attention outside of the country because it is the first PCIe 5.0 gaming graphics card to hit the market. PCIe 4.0 is still supported by Nvidia’s GeForce RTX 40-series (Ada Lovelace) and AMD’s Radeon RX 7000-series (RDNA 3).

The MTT S80 is the MTT S60’s successor, and it still uses the same MT Unified System Architecture (MUSA) architecture. It is compatible with modern APIs such as CUDA, DirectX, OpenCL, OpenGL, and Vulkan. The MTT S80 is powered by the Chunxiao GPU, which is manufactured on a 12nm process node. The MTT S80, like Nvidia and AMD, supports AV1 encoding in addition to other popular formats such as H.264, H.265, and VP9.

The MTT S80, which supports PCIe 5.0 x16, is equipped with 4,096 MUSA cores running at 1.8 GHz and capable of up to 14.4 TFLOPs of FP32 performance.

This places the Chinese graphics card between the GeForce RTX 3060 (12.7 TFLOPs) and GeForce RTX 3060 Ti (16.2 TFLOPs), or the Radeon RX 6750 XT (13.3 TFLOPs) and Radeon RX 6800 (13.2 TFLOPs) (16.2 TFLOPs). Moore Threads provides 16GB of 14 Gbps GDDR6 memory across a 256-bit memory interface for the MTT S80. This configuration allows for a maximum theoretical memory bandwidth of up to 448 GBps, putting it on par with the GeForce RTX 3060 Ti.

The MTT S80 is a dual-slot design with a triple-fan cooling solution. Because this is a gaming graphics card, some RGB eye candy is unavoidable. The graphics card makes use of an 8-pin EPS connector, just like the ones found on motherboards. It has a TBP of 255W and one EPS connector that can supply up to 300W. The outputs on the MTT S80 are the same as those on Nvidia’s flagship GeForce RTX 4090. You also get three DisplayPort1.4a outputs and one HDMI 2.1 port, allowing you to connect up to four 8K displays.

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