GeForce GTX 660 OEM and Quadro P620 - video card comparison

GeForce GTX 660 OEM

Quadro P620

Architecture

Kepler (2012−2018)

Pascal (2016−2021)

GPU code name

GK104

GP107

Market segment

Desktop

Workstation

Release date

August 2012

May 2019

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

None

Boost clock speed

888 MHz

1442 MHz

Core clock speed

823 MHz

1177 MHz

Floating-point performance

2,046 gflops

1,490 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

3,540 million

3,300 million

Pipelines / CUDA cores

1152

512

Power consumption (TDP)

130 Watt

25 Watt

Texture fill rate

85.25

43.33

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

5600 MHz

6000 MHz

Memory bandwidth

179.2 GB/s

80.13 GB/s

Shared memory

-

-

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

4x mini-DisplayPort

HDMI

+

-

DirectX

12 (11_0)

12 (12_1)

CUDA

3.0

6.1

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131