AMD Radeon HD 7470A vs AMD Radeon HD 7690M

VS

AMD Radeon HD 7470A

AMD Radeon HD 7690M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7470A and 1024MB VRAM Radeon HD 7690M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

320 additional rendering cores

Lower TDP (20W vs 25W)

Score

Benchmark

FP32 (float)

Radeon HD 7470A

0.2 TFLOPS

Radeon HD 7690M +248%

0.696 TFLOPS

Radeon HD 7470A

VS

Radeon HD 7690M

Graphics Card

Jan 2012

Release Date

Dec 2011

All-In-One

Generation

London

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/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

2.500 GPixel/s

Pixel Rate

11.60 GPixel/s

5.000 GTexel/s

Texture Rate

17.40 GTexel/s

-

200.0 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

25W

TDP

20W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Thames

-

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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