Tesla K20s and FireStream 9250 - video card comparison

Tesla K20s

FireStream 9250

Architecture

Kepler (2012−2018)

TeraScale (2005−2013)

GPU code name

GK110

RV770

Market segment

Workstation

Desktop

Release date

February 2013

June 2008

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

-

1x 6-pin

Core clock speed

575 MHz

625 MHz

Floating-point performance

3,524 gflops

1,000.0 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

7,080 million

956 million

Pipelines / CUDA cores

2496

800

Power consumption (TDP)

225 Watt

150 Watt

Texture fill rate

119.6

25.00

Memory type

GDDR5

GDDR3

Maximum RAM amount

5 GB

1 GB

Memory bus width

320 Bit

256 Bit

Memory clock speed

5200 MHz

1986 MHz

Memory bandwidth

208.0 GB/s

63.55 GB/s

Display Connectors

No outputs

1x DVI

DirectX

12 (11_0)

10.1 (10_1)

CUDA

3.5

-

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.1

Vulkan

1.1.126

N/A