ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTS 450 OEM

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 512MB VRAM GeForce GTS 450 OEM 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

Lower TDP (45W vs 106W)

NVIDIA GeForce GTS 450 OEM 's Advantages

Released 2 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (57.73GB/s vs 25.60GB/s)

24 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTS 450 OEM +168%

0.451 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTS 450 OEM

Graphics Card

Feb 2008

Release Date

Sep 2010

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

902 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

57.73GB/s

Render Config

3

Compute Units

-

SM Count

3

120

Shading Units

144

8

TMUs

24

4

ROPs

16

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

4.698 GPixel/s

5.600 GTexel/s

Texture Rate

18.79 GTexel/s

-

168.0 GFLOPS

FP32 (float)

451.0 GFLOPS

-

FP64 (double)

37.58 GFLOPS

Board Design

45W

TDP

106W

200 W

Suggested PSU

300 W

2x DVI

Outputs

1x DVI 1x DisplayPort 1x VGA

None

Power Connectors

1x 6-pin

Graphics Processor

RV630

GPU Name

GF106

-

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

1.17 billion

153 mm²

Die Size

238 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.0

Shader Model

5.1

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