ATI Radeon HD 2600 XT Mac Edition vs ATI Radeon HD 5450 PCI

VS

ATI Radeon HD 2600 XT Mac Edition

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 512MB VRAM Radeon HD 5450 PCI 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 5.328GB/s)

40 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Released 2 years late

More VRAM (512GB vs 256GB)

Lower TDP (19W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition +61%

0.168 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

Radeon HD 5450 PCI

Graphics Card

Feb 2008

Release Date

Feb 2010

Radeon R600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCI

Clock Speeds

-

800 MHz

Memory Clock

333 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

5.328GB/s

Render Config

3

Compute Units

2

-

120

Shading Units

80

8

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

2.600 GPixel/s

5.600 GTexel/s

Texture Rate

5.200 GTexel/s

-

168.0 GFLOPS

FP32 (float)

104.0 GFLOPS

-

Board Design

45W

TDP

19W

200 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

Cedar

-

GPU Variant

Cedar PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

0.292 billion

153 mm²

Die Size

59 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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