ATI Radeon HD 2600 XT Mac Edition vs ATI Radeon HD 3450 X2

VS

ATI Radeon HD 2600 XT Mac Edition

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 8.000GB/s)

80 additional rendering cores

Lower TDP (45W vs 50W)

ATI Radeon HD 3450 X2 's Advantages

More VRAM (512GB vs 256GB)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition +250%

0.168 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon HD 3450 X2

Graphics Card

Feb 2008

Release Date

Dec 2007

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

8.000GB/s

Render Config

3

Compute Units

2

-

120

Shading Units

40

8

TMUs

4

ROPs

4

-

64 KB

L2 Cache

64 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

2.400 GPixel/s

5.600 GTexel/s

Texture Rate

2.400 GTexel/s

-

168.0 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

45W

TDP

50W

200 W

Suggested PSU

250 W

2x DVI

Outputs

2x DMS-59

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

RV620

-

GPU Variant

RV620 LE

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.181 billion

153 mm²

Die Size

67 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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