AMD Radeon HD 7470M vs AMD Radeon HD 7950M

VS

AMD Radeon HD 7470M

AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M and 2GB VRAM Radeon HD 7950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470M 's Advantages

Boost Clock800MHz

Lower TDP (25W vs 75W)

AMD Radeon HD 7950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 14.40GB/s)

1120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Radeon HD 7950M +600%

1.792 TFLOPS

Radeon HD 7470M

VS

Radeon HD 7950M

Graphics Card

Jan 2012

Release Date

Apr 2012

London

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

128.0GB/s

Render Config

2

Compute Units

20

-

160

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

22.40 GPixel/s

6.400 GTexel/s

Texture Rate

56.00 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

Board Design

25W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Wimbledon

Seymour XT (216-0810084)

GPU Variant

Wimbledon PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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