GeForce GTX 660 OEM and GeForce GTX 470 PhysX Edition - video card comparison

GeForce GTX 660 OEM

GeForce GTX 470 PhysX Edition

Architecture

Kepler (2012−2018)

Fermi (2010−2014)

GPU code name

GK104

GF100

Market segment

Desktop

Release date

August 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin + 1x 8-pin

Boost clock speed

888 MHz

Core clock speed

823 MHz

608 MHz

Floating-point performance

2,046 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

3,540 million

3,100 million

Pipelines / CUDA cores

1152

448

Power consumption (TDP)

130 Watt

215 Watt

Texture fill rate

85.25

34.05

Memory type

GDDR5

Maximum RAM amount

2 GB

1280 MB

Memory bus width

256 Bit

320 Bit

Memory clock speed

5600 MHz

3.3 GB/s

Memory bandwidth

179.2 GB/s

133.9 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

2x DVI, 1x mini-HDMI 1.3a

HDMI

DirectX

12 (11_0)

CUDA

3.0

2.0

OpenCL

1.2

1.1

OpenGL

4.6

Shader Model

5.1

Vulkan

1.1.126

N/A