Quadro K420 and Radeon R5 340 OEM - video card comparison

Quadro K420

Radeon R5 340 OEM

Architecture

Kepler (2012−2018)

GCN 1.0 (2012−2020)

GPU code name

GK107

Oland

Market segment

Workstation

Desktop

Release date

July 2014

May 2015

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

None

Boost clock speed

-

780 MHz

Core clock speed

876 MHz

730 MHz

Floating-point performance

336.4 gflops

599.0 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

1,270 million

950 million

Pipelines / CUDA cores

192

384

Power consumption (TDP)

41 Watt

65 Watt

Texture fill rate

14.02

18.72

Memory type

128 Bit

GDDR5

Maximum RAM amount

1 GB/2 GB

1 GB

Memory bus width

128 Bit

64 Bit

Memory clock speed

1782 MHz

4600 MHz

Memory bandwidth

Up to 29 GB/s

36.8 GB/s

Display Connectors

DVI-I DP

1x DVI, 1x DisplayPort

Number of simultaneous displays

4

-

DirectX

12

12 (11_1)

CUDA

3.0

-

OpenCL

1.2

1.2

OpenGL

4.5

4.6

Shader Model

5

5.1

Vulkan

+

1.2.131

3D Vision Pro

+

-

Mosaic

+

-

nView Desktop Management

+

-