GPUDesktopReleased Apr 11, 2018

AMD Radeon 550X 640SP

4 GB GDDR5 · 64-bit · 640 cores

The Radeon 550X 640SP is the ten-compute-unit version of AMD's Radeon 550X, an entry-level graphics processor from the Radeon 500X refresh of April 2018. It uses the fully enabled Polaris 12 (Lexa) GPU, while the other 550X version has eight compute units enabled. AMD sold the 550X mainly to PC and notebook makers rather than as a retail card.

General

Manufacturer: AMD
Model: Radeon 550X 640SP
Segment: Desktop
GPU chip: Polaris 12 (Lexa)
Architecture: GCN 4 (Polaris)
Release date: Apr 11, 2018
Price: Search on Amazon

Memory

Memory size: Up to 4 GB
Memory type: GDDR5
Bus width: 64-bit
Bandwidth: 48 GB/s
Memory clock: 1,500 MHz

Clocks & silicon

GPU clock: 1,019 MHz
Boost clock: 1,071 MHz
Shader units: 640 Stream Processors (10 CU)
Tensor / AI cores: —
RT cores: —
Transistors: 2.2 billion
Technology (nm): 14 nm
GF 14LPP
TDP / TBP: 50 W

Interface & APIs

Bus interface: PCIe 3.0 x8
SLI / multi-GPU: None
DirectX: 12 (12_0)
OpenGL: 4.6
Vulkan: 1.3
Other APIs: OpenCL 2.1

AI support

Precisions: FP8FP16BF16INT8INT4TF32FP64
AI accelerator: —
Peak AI TOPS: —
Notes: —

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