ATI Radeon E4690 MXM vs AMD Radeon HD 7470A

VS

ATI Radeon E4690 MXM

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon E4690 MXM 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 12.80GB/s)

160 additional rendering cores

AMD Radeon HD 7470A 's Advantages

Released 2 years and 7 months late

Lower TDP (25W vs 30W)

Score

Benchmark

FP32 (float)

Radeon E4690 MXM +92%

0.384 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon E4690 MXM

VS

Radeon HD 7470A

Graphics Card

Jun 2009

Release Date

Jan 2012

Embedded

Generation

All-In-One

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

700 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.500 GPixel/s

19.20 GTexel/s

Texture Rate

5.000 GTexel/s

-

384.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

30W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

RV730

GPU Name

Caicos

RV730 XT E4690 (215-0729055)

GPU Variant

-

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.37 billion

146 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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