ATI Radeon E4690 MXM vs AMD Radeon HD 6990M

VS

ATI Radeon E4690 MXM

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 100W)

AMD Radeon HD 6990M 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 22.40GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 6990M +317%

1.602 TFLOPS

Radeon E4690 MXM

VS

Radeon HD 6990M

Graphics Card

Jun 2009

Release Date

Jul 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

22.40GB/s

Bandwidth

115.2GB/s

Render Config

4

Compute Units

14

-

320

Shading Units

1120

32

TMUs

56

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

22.88 GPixel/s

19.20 GTexel/s

Texture Rate

40.04 GTexel/s

-

384.0 GFLOPS

FP32 (float)

1.602 TFLOPS

-

Board Design

30W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

RV730

GPU Name

Blackcomb

RV730 XT E4690 (215-0729055)

GPU Variant

Blackcomb XTX (216-0811030)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.7 billion

146 mm²

Die Size

212 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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