Quadro K620 and Radeon HD 8490 OEM - video card comparison

Quadro K620

Radeon HD 8490 OEM

Architecture

Maxwell (2014−2018)

TeraScale 2 (2009−2015)

GPU code name

GM107

Caicos

Market segment

Workstation

Desktop

Release date

July 2014

July 2013

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

None

None

Boost clock speed

1124 MHz

-

Core clock speed

1058 MHz

875 MHz

Floating-point performance

863.2 gflops

280.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,870 million

370 million

Pipelines / CUDA cores

384

160

Power consumption (TDP)

41 Watt

35 Watt

Texture fill rate

26.98

7.000

Memory type

128 Bit

DDR3

Maximum RAM amount

2 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

1800 MHz

1800 MHz

Memory bandwidth

Up to 29 GB/s

14.4 GB/s

Display Connectors

DVI-I DP

1x DVI, 1x DisplayPort

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

+

-