ATI Mobility Radeon HD 2600 XT vs ATI Radeon E4690 PCIe

VS

ATI Mobility Radeon HD 2600 XT

ATI Radeon E4690 PCIe

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 512MB VRAM Radeon E4690 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 2600 XT 's Advantages

Larger VRAM bandwidth (24.00GB/s vs 22.40GB/s)

ATI Radeon E4690 PCIe 's Advantages

Released 2 years and 1 months late

More VRAM (512GB vs 256GB)

200 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon E4690 PCIe +135%

0.384 TFLOPS

Mobility Radeon HD 2600 XT

VS

Radeon E4690 PCIe

Graphics Card

May 2007

Release Date

Jun 2009

M7x

Generation

Embedded

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

22.40GB/s

Render Config

3

Compute Units

4

-

120

Shading Units

320

8

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

4.800 GPixel/s

5.440 GTexel/s

Texture Rate

19.20 GTexel/s

-

163.2 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

2x DVI

-

Graphics Processor

M76

GPU Name

RV730

M76 XT-M (216XJBKA13FG)

GPU Variant

RV730 XT E4690 (215-0729055)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.514 billion

153 mm²

Die Size

146 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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