AMD Radeon R5 M255

This is a GPU manufactured with TSMC 28nm process, based on AMD GCN 3.0 architecture and released on Oct 2014. It features 1.55 billion transistors, 384 Rendering cores and 2GB DDR3 memory, with 256KB L2 cache, theoretical performance of 721.9GFLOPS.

Graphics Card

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Release Date

Oct 2014

Generation

Gem System

Type

Mobile

Bus Interface

PCIe 3.0 x8

Clock Speeds

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Base Clock

925 MHz

Boost Clock

940 MHz

Memory Clock

1000 MHz

Memory

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Memory Size

2GB

Memory Type

DDR3

Memory Bus

128bit

Bandwidth

32.00GB/s

Render Config

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Compute Units

6

Shading Units

384

TMUs

24

ROPs

8

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Theoretical Performance

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Pixel Rate

7.520 GPixel/s

Texture Rate

22.56 GTexel/s

FP16 (half)

721.9 GFLOPS

FP32 (float)

721.9 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

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GPU Name

Topaz

GPU Variant

Topaz PRO

(216-0858030)

Architecture

GCN 3.0

Foundry

TSMC

Process Size

28 nm

Transistors

1.55 billion

Die Size

125 mm²

Board Design

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TDP

Unknown

Outputs

Portable Device Dependent

Graphics Features

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DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.1

Vulkan

1.2.170

Shader Model

6.5

Rankings

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FP32 (float)

NVIDIA Quadro 5000 2.5 GB GDDR5

0.722 TFLOPS

NVIDIA Quadro 5000 SDI 2.5 GB GDDR5

0.722 TFLOPS

AMD Radeon R5 A255 1024 MB GDDR5

0.721 TFLOPS

AMD Radeon R5 M255 2 GB DDR3

0.721 TFLOPS

AMD Radeon R6 M255DX System Shared System Shared

0.721 TFLOPS

AMD Radeon R7 250 1024 MB DDR3

0.717 TFLOPS

NVIDIA GeForce GT 750M Mac Edition 2 GB GDDR5

0.711 TFLOPS

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