GeForce GTX 550 Ti and Radeon HD 7970 X2 - video card comparison

GeForce GTX 550 Ti

Radeon HD 7970 X2

Architecture

Fermi (2010−2014)

GCN 1.0 (2012−2020)

GPU code name

GF116

New Zealand

Market segment

Desktop

Desktop

Release date

March 2011

August 2012

Bus support

16x PCI-E 2.0

-

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

One 6-pin

3x 8-pin

SLI options

+

-

Core clock speed

900 MHz

925 MHz

CUDA cores

192

-

Floating-point performance

691.2 gflops

2x 3,789 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,170 million

4,313 million

Pipelines / CUDA cores

192

2048

Power consumption (TDP)

116 Watt

500 Watt

Maximum GPU temperature

100 °C

-

Texture fill rate

28.8 billion/sec

118.4

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

3 GB

Memory bus width

192 Bit

384 Bit

Memory clock speed

4.1 GB/s

5500 MHz

Memory bandwidth

98.4 GB/s

264.0 GB/s

Display Connectors

Two Dual Link DVI-IMini HDMI

1x DVI, 4x mini-DisplayPort

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

12 (11_1)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

4.2

4.6

Shader Model

5.1

5.1

Vulkan

N/A

1.2.131