GeForce GTS 450 Rev. 2 and Radeon X1900 GT - video card comparison

GeForce GTS 450 Rev. 2

Radeon X1900 GT

Architecture

Fermi 2.0 (2010−2014)

R500 (2005−2007)

GPU code name

GF116

R580

Market segment

Desktop

Release date

March 2011

May 2006

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

1x 6-pin

Core clock speed

783 MHz

575 MHz

Floating-point performance

601.3 gflops

Manufacturing process technology

40 nm

90 nm

Number of transistors

1,170 million

384 million

Pipelines / CUDA cores

192

Power consumption (TDP)

106 Watt

75 Watt

Texture fill rate

25.06

6.900

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

256 MB

Memory bus width

128 Bit

256 Bit

Memory clock speed

3608 MHz

1200 MHz

Memory bandwidth

57.73 GB/s

38.4 GB/s

Display Connectors

2x DVI, 1x mini-HDMI

2x DVI, 1x S-Video

HDMI

DirectX

12 (11_0)

9.0c (9_3)

CUDA

2.1

OpenCL

1.1

N/A

OpenGL

4.6

2.0

Shader Model

5.1

3.0

Vulkan

N/A