GeForce GT 520 and Radeon HD 6970M X2 - video card comparison

GeForce GT 520

Radeon HD 6970M X2

Architecture

Fermi 2.0 (2010−2014)

TeraScale 2 (2009−2015)

GPU code name

GF119

Blackcomb

Market segment

Desktop

Desktop

Release date

April 2011

January 2011

Bus support

16x PCI-E 2.0

-

Interface

PCIe 2.0 x16

MXM-B (3.0)

Supplementary power connectors

None

None

Core clock speed

810 MHz

680 MHz

CUDA cores

48

-

Floating-point performance

155.52 gflops

-

Manufacturing process technology

40 nm

40 nm

Number of transistors

292 million

1,700 million

Pipelines / CUDA cores

48

960

Power consumption (TDP)

29 Watt

150 Watt

Maximum GPU temperature

102 °C

-

Texture fill rate

6.5 billion/sec

32.64

Memory type

DDR3

GDDR5

Maximum RAM amount

1 GB (DDR3)

2 GB

Memory bus width

64 Bit

256 Bit

Memory clock speed

900 MHz (DDR3)

3.6 GB/s

Memory bandwidth

14.4 GB/s

115.2 GB/s

Display Connectors

Dual Link DVI-IHDMIVGA (optional)

Portable Device Dependent

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

Internal

-

DirectX

12 (11_0)

11.2 (11_0)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

4.2

4.4

Shader Model

5.1

5.0

Vulkan

N/A

N/A