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

VS

NVIDIA GeForce GTS 450 OEM

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 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

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

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM +168%

0.451 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Sep 2010

Release Date

Feb 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

902 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

SM Count

-

144

Shading Units

120

24

TMUs

8

16

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

2.800 GPixel/s

18.79 GTexel/s

Texture Rate

5.600 GTexel/s

-

451.0 GFLOPS

FP32 (float)

168.0 GFLOPS

37.58 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

45W

300 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1x VGA

Outputs

2x DVI

1x 6-pin

Power Connectors

None

Graphics Processor

GF106

GPU Name

RV630

-

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.17 billion

Transistors

0.39 billion

238 mm²

Die Size

153 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.0

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