ATI Radeon E4690 MXM vs AMD Radeon HD 6770M

VS

ATI Radeon E4690 MXM

AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 512MB VRAM Radeon E4690 MXM and 1024MB VRAM Radeon HD 6770M 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 35W)

AMD Radeon HD 6770M 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.60GB/s vs 22.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 6770M +81%

0.696 TFLOPS

Radeon E4690 MXM

VS

Radeon HD 6770M

Graphics Card

Jun 2009

Release Date

Jan 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

57.60GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

480

32

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

5.800 GPixel/s

19.20 GTexel/s

Texture Rate

17.40 GTexel/s

-

384.0 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

30W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

RV730

GPU Name

Whistler

RV730 XT E4690 (215-0729055)

GPU Variant

Whistler XT (216-0810001)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.716 billion

146 mm²

Die Size

104 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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