AMD Radeon HD 6450 OEM vs ATI Radeon HD 2600 XT Mac Edition

VS

AMD Radeon HD 6450 OEM

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Released 3 years late

More VRAM (512GB vs 256GB)

40 additional rendering cores

Lower TDP (18W vs 45W)

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 8.528GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM +19%

0.2 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon HD 6450 OEM

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Feb 2011

Release Date

Feb 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

533 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

3

-

160

Shading Units

120

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.800 GPixel/s

5.000 GTexel/s

Texture Rate

5.600 GTexel/s

-

200.0 GFLOPS

FP32 (float)

168.0 GFLOPS

-

Board Design

18W

TDP

45W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

RV630

Junbonator

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.37 billion

Transistors

0.39 billion

67 mm²

Die Size

153 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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