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Valve Steam Deck SoC – A Closer Look

The new Valve Stream Deck will be powered by an AMD SoC chip featuring a 4-core/8-threads on the “Zen 2” architecture, running at a speed of 2.4 GHz with RDNA2 graphics. It’s basically a powerful AMD computer in the palm of your hand!

Taken from TPU … Valve today announced its first big splash into the console market with Steam Deck, a device out to eat the Nintendo Switch’s lunch. The announcement comes as yet another feather in AMD’s cap for its semi-custom SoC business, benefiting from being the only company with an x86-64 CPU license and having a cutting-edge graphics hardware IP. Built on the 7 nm node at TSMC, the semi-custom chip at the heart of the Steam Deck is designed for extended gameplay on battery, and is a monolithic silicon that combines CPU, GPU, and core-logic.

The yet-unnamed semi-custom chip features a 4-core/8-thread CPU based on the “Zen 2” microarchitecture, with a nominal clock speed of 2.40 GHz, and up to 3.50 GHz boost. The CPU component offers an FP32 throughput of 448 GLOP/s. The GPU is based on AMD’s latest RDNA2 graphics architecture—the same one powering the Xbox Series X, PlayStation 5, and Radeon RX 6900 XT—and is comprised of 8 RDNA2 compute units (512 stream processors). The GPU operates at an engine clock speed of 1.10 GHz to 1.60 GHz, with peak compute power of 1.6 TFLOP/s. The silicon uses a unified memory interface, and a cutting-edge LPDDR5 memory controller.

Steam Deck is endowed with 16 GB of LPDDR5 memory, running at 5500 MT/s data-rate. Storage interfaces include eMMC (1 GB/s per direction), PCI-Express Gen 3 x4 for NVMe-based storage (4 GB/s per direction), and microSDXC. The chip is designed to operate at configurable TDP of 4 W to 15 W. On battery, the console uses aggressive power management, running the CPU and GPU at tighter clock-speeds, lowering the TDP. When plugged in, the SoC gets to stretch its legs and sustain max boost frequencies better.

Source: TPU , Valve.

 

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