GeForce GTX 660 and Quadro T400 Mobile - video card comparison

GeForce GTX 660

Quadro T400 Mobile

Architecture

Kepler (2012−2018)

Turing (2018−2021)

GPU code name

GK106

TU117

Market segment

Desktop

Mobile workstation

Release date

September 2012

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x16

Supplementary power connectors

One 6-pin

SLI options

Boost clock speed

1033 MHz

1425 MHz

Core clock speed

980 MHz

CUDA cores

960

Floating-point performance

1,981 gflops

Manufacturing process technology

28 nm

12 nm

Number of transistors

2,540 million

4,700 million

Pipelines / CUDA cores

960

896

Power consumption (TDP)

140 Watt

18 Watt

Texture fill rate

78.4 billion/sec

79.80

Memory type

GDDR5

GDDR6

Maximum RAM amount

2 GB

Memory bus width

192-bit GDDR5

64 Bit

Memory clock speed

6.0 GB/s

10 GB/s

Memory bandwidth

144.2 GB/s

80 GB/s

Display Connectors

One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort

No outputs

Multi monitor support

4 displays

HDMI

HDCP

Maximum VGA resolution

2048x1536

Audio input for HDMI

Internal

DirectX

12 (11_0)

12 (12_1)

CUDA

7.5

OpenCL

1.2

3.0

OpenGL

4.3

4.6

Shader Model

5.1

6.6

Vulkan

1.1.126

1.2

3D Blu-Ray

3D Gaming

3D Vision