GPUWorkstationReleased Aug 3, 2021

AMD Radeon Pro W6900X

32 GB GDDR6 · 256-bit · 5,120 cores

The Radeon Pro W6900X is AMD's flagship RDNA 2 workstation GPU for Apple's Mac Pro (2019), announced on August 3, 2021 and sold only as an MPX Module. It uses the full Navi 21 GPU with 128 MB of Infinity Cache and delivers up to 22.2 TFLOPS of FP32 performance, and it includes four Thunderbolt 3 ports and an HDMI 2.1 port. Two modules can be installed in one Mac Pro and linked by Infinity Fabric Link for 3D rendering, video and compute workloads in macOS.

General

Manufacturer: AMD
Model: Radeon Pro W6900X
Segment: Workstation
GPU chip: Navi 21
Architecture: RDNA 2
Release date: Aug 3, 2021
Price: Search on Amazon

Memory

Memory size: 32 GB
Memory type: GDDR6
Bus width: 256-bit
Bandwidth: 512 GB/s
Memory clock: 2,000 MHz

Clocks & silicon

GPU clock: 1,825 MHz
Boost clock: 2,171 MHz
Shader units: 5,120 Stream Processors (80 CU)
Tensor / AI cores: —
RT cores: 80
Transistors: 26.8 billion
Technology (nm): 7 nm
TSMC N7
TDP / TBP: 300 W

Interface & APIs

Bus interface: PCIe 4.0 x16 (MPX Module)
SLI / multi-GPU: Infinity Fabric Link (2-way)
DirectX: 12 Ultimate (12_2)
OpenGL: 4.6
Vulkan: 1.3
Other APIs: OpenCL 2.1, Metal

AI support

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

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