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AMD Radeon R9 M290X

AMD Neptune Image
The Radeon R9 M290X is a graphics card by AMD, launched in January 2014. Built on the 28 nm process, and based on the Neptune graphics processor, in its Neptune XT variant, the card supports DirectX 12.0. The Neptune graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 4,096 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 850 MHz, which can be boosted up to 900 MHz, memory is running at 1200 MHz.
We recommend the AMD Radeon R9 M290X for gaming with highest details at resolutions up to, and including, 1920x1080.
Being a mxm module card, the AMD Radeon R9 M290X does not require any additional power connector, its power draw is rated at 100 W maximum. Radeon R9 M290X is connected to the rest of the system using a PCIe 3.0 x16 interface.

Graphics Processor

GPU Name: Neptune
GPU Variant: Neptune XT
Architecture: GCN 1.0
Process Size: 28 nm
Transistors: 2,800 million
Die Size: 212 mm²

Graphics Card

Released: Jan 9th, 2014
Production Status: Active
Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: 850 MHz
Boost Clock: 900 MHz
Memory Clock: 1200 MHz
4800 MHz effective


Memory Size: 4096 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 153.6 GB/s

Render Config

Shading Units: 1280
TMUs: 80
ROPs: 32
Compute Units: 20
Pixel Rate: 28.80 GPixel/s
Texture Rate: 72.0 GTexel/s
Floating-point performance: 2,304.0 GFLOPS

Board Design

Slot Width: MXM Module
TDP: 100 W
Power Connectors: None
Board Number: C608

Graphics Features

DirectX: 12.0
OpenGL: 4.5
OpenCL: 1.2
Shader Model: 5.0


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