AMD Radeon HD 6670A vs ATI Radeon E4690 PCIe

VS

AMD Radeon HD 6670A

ATI Radeon E4690 PCIe

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 512MB VRAM Radeon E4690 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Released 1 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

160 additional rendering cores

ATI Radeon E4690 PCIe 's Advantages

Lower TDP (30W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A +50%

0.576 TFLOPS

Radeon E4690 PCIe

0.384 TFLOPS

Radeon HD 6670A

VS

Radeon E4690 PCIe

Graphics Card

Apr 2011

Release Date

Jun 2009

All-In-One

Generation

Embedded

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.800 GPixel/s

14.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

576.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

45W

TDP

30W

-

No outputs

Outputs

2x DVI

-

Graphics Processor

Turks

GPU Name

RV730

Turks XT (215-0803000)

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

118 mm²

Die Size

146 mm²

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

-

5.0

Shader Model

4.1

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