GeForce GTX 660 OEM and Radeon E6465 - video card comparison

GeForce GTX 660 OEM

Radeon E6465

Architecture

Kepler (2012−2018)

TeraScale 2 (2009−2015)

GPU code name

GK104

Caicos

Market segment

Desktop

Release date

August 2012

September 2015

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

None

Boost clock speed

888 MHz

Core clock speed

823 MHz

600 MHz

Floating-point performance

2,046 gflops

192.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

3,540 million

370 million

Pipelines / CUDA cores

1152

160

Power consumption (TDP)

130 Watt

25 Watt

Texture fill rate

85.25

4.800

Memory type

GDDR5

Maximum RAM amount

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

5600 MHz

3200 MHz

Memory bandwidth

179.2 GB/s

25.6 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

12 (11_0)

11.2 (11_0)

CUDA

3.0

OpenCL

1.2

OpenGL

4.6

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A