Radeon HD 6790 and GeForce GTS 240 OEM - video card comparison

Radeon HD 6790

GeForce GTS 240 OEM

Architecture

Terascale 2 (2009−2015)

Tesla (2006−2010)

GPU code name

Barts

G92B

Market segment

Desktop

Release date

April 2011

July 2009

Interface

PCIe 2.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

Core clock speed

840 MHz

675 MHz

Floating-point performance

1,344.0 gflops

362.9 gflops

Manufacturing process technology

40 nm

55 nm

Number of transistors

1,700 million

754 million

Pipelines / CUDA cores

800

112

Power consumption (TDP)

150 Watt

120 Watt

Texture fill rate

33.60

37.80

Memory type

GDDR5

GDDR3

Maximum RAM amount

1 GB

Memory bus width

256 Bit

Memory clock speed

1050 MHz

2200 MHz

Memory bandwidth

134.4 GB/s

70.4 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

2x DVI, 1x S-Video

HDMI

DirectX

11.2 (11_0)

11.1 (10_0)

CUDA

1.1

OpenCL

1.2

1.1

OpenGL

4.4

3.3

Shader Model

5.0

4.0

Vulkan

N/A