GeForce GTX 550 Ti and Radeon X1900 XT - video card comparison

GeForce GTX 550 Ti

Radeon X1900 XT

Architecture

Fermi (2010−2014)

R500 (2005−2007)

GPU code name

GF116

R580

Market segment

Desktop

Desktop

Release date

March 2011

January 2006

Bus support

16x PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 1.0 x16

Supplementary power connectors

One 6-pin

1x 6-pin

SLI options

+

-

Core clock speed

900 MHz

625 MHz

CUDA cores

192

-

Floating-point performance

691.2 gflops

-

Manufacturing process technology

40 nm

90 nm

Number of transistors

1,170 million

384 million

Pipelines / CUDA cores

192

-

Power consumption (TDP)

116 Watt

100 Watt

Maximum GPU temperature

100 °C

-

Texture fill rate

28.8 billion/sec

10.00

Memory type

GDDR5

GDDR3

Maximum RAM amount

2 GB

256 MB

Memory bus width

192 Bit

256 Bit

Memory clock speed

4.1 GB/s

1450 MBps

Memory bandwidth

98.4 GB/s

46.4 GB/s

Display Connectors

Two Dual Link DVI-IMini HDMI

2x DVI, 1x S-Video

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

9.0c (9_3)

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

4.2

2.1 (full) Shader Model5.13.0

Vulkan

N/A

N/A