AMD Radeon HD 7970M vs AMD Radeon R9 M470X

VS

AMD Radeon HD 7970M

AMD Radeon R9 M470X

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

VS

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

20

Compute Units

14

-

1280

Shading Units

896

80

TMUs

56

32

ROPs

16

-

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

-

2.176 TFLOPS

FP32 (float)

1.971 TFLOPS

136.0 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

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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