AMD Radeon HD 7970M vs AMD Radeon HD 7470M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM Radeon HD 7470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

1120 additional rendering cores

AMD Radeon HD 7470M 's Advantages

Boost Clock800MHz

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +750%

2.176 TFLOPS

Radeon HD 7470M

0.256 TFLOPS

Radeon HD 7970M

VS

Radeon HD 7470M

Graphics Card

Apr 2012

Release Date

Jan 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

800 MHz

1200 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

160

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

3.200 GPixel/s

68.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

256.0 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Graphics Processor

Wimbledon

GPU Name

Seymour

Wimbledon XT (216-0836036)

GPU Variant

Seymour XT (216-0810084)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.37 billion

212 mm²

Die Size

67 mm²

Board Design

100W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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