ATI Radeon E4690 MXM vs AMD Radeon HD 6990M Rebrand

VS

ATI Radeon E4690 MXM AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 1024MB VRAM Radeon HD 6990M Rebrand 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 Rebrand 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 22.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 6990M Rebrand +233%

1.28 TFLOPS

Radeon E4690 MXM

VS

Radeon HD 6990M Rebrand

Graphics Card

Jun 2009

Release Date

Jul 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

1100 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

70.40GB/s

Render Config

-

SM Count

-

4

Compute Units

14

320

Shading Units

800

32

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

12.80 GPixel/s

19.20 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

384.0 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

-

Graphics Processor

RV730

GPU Name

Broadway

RV730 XT E4690 (215-0729055)

GPU Variant

Broadway XTX

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.04 billion

146 mm²

Die Size

166 mm²

Board Design

30W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

4.1

Shader Model

5.0

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