AMD Radeon R9 M295X Mac Edition vs AMD Radeon HD 7970M

VS

AMD Radeon R9 M295X Mac Edition AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 2 years and 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 153.6GB/s)

768 additional rendering cores

AMD Radeon HD 7970M 's Advantages

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +60%

3.482 TFLOPS

Radeon HD 7970M

2.176 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon HD 7970M

Graphics Card

Nov 2014

Release Date

Apr 2012

Crystal System

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1362 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.3GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

32

Compute Units

20

2048

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

27.20 GPixel/s

108.8 GTexel/s

Texture Rate

68.00 GTexel/s

3.482 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

2.176 TFLOPS

217.6 GFLOPS

FP64 (double)

136.0 GFLOPS

Graphics Processor

Amethyst

GPU Name

Wimbledon

Amethyst XT

GPU Variant

Wimbledon XT (216-0836036)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.8 billion

366 mm²

Die Size

212 mm²

Board Design

250W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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