Tesla K20c and GeForce GTX 260 OEM - video card comparison

Tesla K20c

GeForce GTX 260 OEM

Architecture

Kepler (2012−2018)

Tesla 2.0 (2007−2013)

GPU code name

GK110

GT200B

Market segment

Workstation

Desktop

Release date

November 2012

December 2009

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

2x 6-pin

Core clock speed

706 MHz

518 MHz

Floating-point performance

3,524 gflops

414.7 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

7,080 million

1,400 million

Pipelines / CUDA cores

2496

192

Power consumption (TDP)

225 Watt

182 Watt

Texture fill rate

146.8

33.15

Memory type

GDDR5

GDDR3

Maximum RAM amount

5 GB

1792 MB

Memory bus width

320 Bit

448 Bit

Memory clock speed

5200 MHz

2016 MHz

Memory bandwidth

208.0 GB/s

112.9 GB/s

Display Connectors

No outputs

2x DVI, 1x S-Video

DirectX

12 (11_0)

11.1 (10_0)

CUDA

3.5

1.3

OpenCL

1.2

1.1

OpenGL

4.6

3.3

Shader Model

5.1

4.0

Vulkan

1.1.126

N/A