AMD Radeon HD 7970M vs AMD Radeon R9 M470X

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We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 4GB VRAM Radeon R9 M470X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

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

384 additional rendering cores

AMD Radeon R9 M470X 's Advantages

Released 4 years and 1 months late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +10%

2.176 TFLOPS

Radeon R9 M470X

1.971 TFLOPS

Radeon HD 7970M

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Radeon R9 M470X

Graphics Card

Apr 2012

Release Date

May 2016

London

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

1200 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

20

Compute Units

14

1280

Shading Units

896

80

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

17.60 GPixel/s

68.00 GTexel/s

Texture Rate

61.60 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

1.971 TFLOPS

136.0 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Emerald

Wimbledon XT (216-0836036)

GPU Variant

Emerald XT

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.08 billion

212 mm²

Die Size

160 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

5.1

Shader Model

6.5

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