AMD Radeon HD 6770M vs ATI Radeon E4690 MXM

VS

AMD Radeon HD 6770M ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

ATI Radeon E4690 MXM 's Advantages

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M +81%

0.696 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 6770M

VS

Radeon E4690 MXM

Graphics Card

Jan 2011

Release Date

Jun 2009

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

6

Compute Units

4

480

Shading Units

320

24

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

4.800 GPixel/s

17.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Whistler

GPU Name

RV730

Whistler XT (216-0810001)

GPU Variant

RV730 XT E4690 (215-0729055)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.514 billion

104 mm²

Die Size

146 mm²

Board Design

35W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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