AMD Radeon R7 M260 vs AMD Radeon R9 M295X Mac Edition

VS

AMD Radeon R7 M260

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M260 and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M260 's Advantages

Boost Clock980MHz

AMD Radeon R9 M295X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 14.40GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M260

0.752 TFLOPS

Radeon R9 M295X Mac Edition +363%

3.482 TFLOPS

Radeon R7 M260

VS

Radeon R9 M295X Mac Edition

Graphics Card

Jun 2014

Release Date

Nov 2014

Gem System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

940 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

1362 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

174.3GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

27.20 GPixel/s

23.52 GTexel/s

Texture Rate

108.8 GTexel/s

752.6 GFLOPS

FP16 (half)

3.482 TFLOPS

752.6 GFLOPS

FP32 (float)

3.482 TFLOPS

47.04 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Amethyst

Topaz XT (216-0858020)

GPU Variant

Amethyst XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

5 billion

125 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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