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ATI Mobility Radeon X1600 Mac Edition

Graphics Processor
Pixel Shaders
Vertex Shaders
128 MB
Memory Size
Memory Type
128 bit
Bus Width
ATI Mobility Radeon X1600 Mac Edition Image ATI M56 Image
The Mobility Radeon X1600 Mac Edition was a graphics card by ATI, launched in November 2007. Built on the 90 nm process, and based on the M56 graphics processor, the card supports DirectX 9.0c. The M56 graphics processor is an average sized chip with a die area of 150 mm² and 157 million transistors. It features 12 pixel shaders and 5 vertex shaders, 4 texture mapping units and 4 ROPs. Due to the lack of unified shaders you will not be able to run recent games at all (which require unified shader/DX10+ support). ATI has placed 128 MB GDDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 398 MHz, memory is running at 396 MHz.
Its power draw is not exactly known. Mobility Radeon X1600 Mac Edition is connected to the rest of the system using a PCIe 1.0 x16 interface.

Graphics Processor

GPU Name: M56
Process Size: 90 nm
Transistors: 157 million
Die Size: 150 mm²

Graphics Card

Released: Nov 8th, 2007
Production Status: End-of-life
Bus Interface: PCIe 1.0 x16

Clock Speeds

GPU Clock: 398 MHz
Memory Clock: 396 MHz
792 MHz effective


Memory Size: 128 MB
Memory Type: GDDR3
Memory Bus: 128 bit
Bandwidth: 12.67 GB/s

Render Config

Pixel Shaders: 12
Vertex Shaders: 5
TMUs: 4
ROPs: 4
Pixel Rate: 1.592 GPixel/s
Vertex Rate: 497.5 MVertices/s
Texture Rate: 1.592 GTexel/s

Graphics Features

DirectX: 9.0c
OpenGL: 2.0
OpenCL: n/a
Shader Model: 3.0


Our review database contains 2 reviews of the Mobility Radeon X1600 Mac Edition.

Card Notes

Memory Variant: 256MB

M56 GPU Notes