AMD Radeon R9 M290X Mac Edition vs AMD Radeon R7 A260

VS

AMD Radeon R9 M290X Mac Edition

AMD Radeon R7 A260

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 1024MB VRAM Radeon R7 A260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 10 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 57.60GB/s)

640 additional rendering cores

AMD Radeon R7 A260 's Advantages

Boost Clock has increased by 1% (980MHz vs 975MHz)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +165%

1.997 TFLOPS

Radeon R7 A260

0.752 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon R7 A260

Graphics Card

Nov 2014

Release Date

Jan 2014

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

900 MHz

975 MHz

Boost Clock

980 MHz

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

57.60GB/s

Render Config

16

Compute Units

6

-

1024

Shading Units

384

64

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

7.840 GPixel/s

62.40 GTexel/s

Texture Rate

23.52 GTexel/s

-

1.997 TFLOPS

FP32 (float)

752.6 GFLOPS

124.8 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Topaz

Pitcairn PRO (215-0828062)

GPU Variant

Topaz XT (216-0858020)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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