Quadro K620 and Radeon HD 6670A - video card comparison

Quadro K620

Radeon HD 6670A

Architecture

Maxwell (2014−2018)

TeraScale 2 (2009−2015)

GPU code name

GM107

Turks

Market segment

Workstation

Desktop

Release date

July 2014

April 2011

Interface

PCIe 2.0 x16

MXM-A (3.0)

Supplementary power connectors

None

-

Boost clock speed

1124 MHz

-

Core clock speed

1058 MHz

600 MHz

Floating-point performance

863.2 gflops

576.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,870 million

716 million

Pipelines / CUDA cores

384

480

Power consumption (TDP)

41 Watt

45 Watt

Texture fill rate

26.98

14.40

Memory type

128 Bit

GDDR5

Maximum RAM amount

2 GB

1 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1800 MHz

4000 MHz

Memory bandwidth

Up to 29 GB/s

64 GB/s

Display Connectors

DVI-I DP

No outputs

Number of simultaneous displays

4

-

DirectX

12

11.2 (11_0)

CUDA

5.0

-

OpenCL

1.2

1.2

OpenGL

4.5

4.4

Shader Model

5

5.0

Vulkan

+

N/A

3D Vision Pro

+

-

Mosaic

+

-

nView Desktop Management

+

-