Quadro FX 3800 and Quadro K420 - video card comparison

Passmark - benchmark score Quadro FX 3800 vs Quadro K420

Quadro FX 3800

821

Quadro K420

768

Quadro FX 3800

Quadro K420

Architecture

Tesla 2.0 (2007−2013)

Kepler (2012−2018)

GPU code name

GT200B

GK107

Market segment

Workstation

Release date

March 2009

July 2014

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

None

Core clock speed

600 MHz

876 MHz

Floating-point performance

462.3 gflops

336.4 gflops

Manufacturing process technology

55 nm

28 nm

Number of transistors

1,400 million

1,270 million

Pipelines / CUDA cores

192

Power consumption (TDP)

108 Watt

41 Watt

Texture fill rate

38.40

14.02

Memory type

GDDR3

128 Bit

Maximum RAM amount

1 GB

1 GB/2 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1600 MHz

1782 MHz

Memory bandwidth

51.2 GB/s

Up to 29 GB/s

Display Connectors

1x DVI, 2x DisplayPort

DVI-I DP

Number of simultaneous displays

DirectX

11.1 (10_0)

CUDA

1.3

3.0

OpenCL

1.1

1.2

OpenGL

3.3

4.5

Shader Model

4.0

Vulkan

N/A

3D Vision Pro

Mosaic

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