AMD Radeon R9 M470X vs AMD Radeon HD 7970M

VS

AMD Radeon R9 M470X

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M470X 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 M470X 's Advantages

Released 4 years and 1 months late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 76.80GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M470X

1.971 TFLOPS

Radeon HD 7970M +10%

2.176 TFLOPS

Radeon R9 M470X

VS

Radeon HD 7970M

Graphics Card

May 2016

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

153.6GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

27.20 GPixel/s

61.60 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.971 TFLOPS

FP32 (float)

2.176 TFLOPS

123.2 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Emerald

GPU Name

Wimbledon

Emerald XT

GPU Variant

Wimbledon XT (216-0836036)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.8 billion

160 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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