AMD Radeon HD 7470M vs AMD Radeon HD 7670M

VS

AMD Radeon HD 7470M

AMD Radeon HD 7670M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M and 1024MB VRAM Radeon HD 7670M 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

AMD Radeon HD 7670M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

320 additional rendering cores

Lower TDP (20W vs 25W)

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Radeon HD 7670M +125%

0.576 TFLOPS

Radeon HD 7470M

VS

Radeon HD 7670M

Graphics Card

Jan 2012

Release Date

Feb 2012

London

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

750 MHz

Base Clock

-

800 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

9.600 GPixel/s

6.400 GTexel/s

Texture Rate

14.40 GTexel/s

-

256.0 GFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

25W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

Thames

Seymour XT (216-0810084)

GPU Variant

Thames XT (216-0833000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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