Radeon Sky 700 and Tesla K20X - video card comparison

Radeon Sky 700

Tesla K20X

Architecture

GCN 1.0 (2012−2020)

Kepler (2012−2018)

GPU code name

Tahiti

GK110

Market segment

Desktop

Workstation

Release date

March 2013

November 2012

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 8-pin

1x 6-pin + 1x 8-pin

Core clock speed

900 MHz

732 MHz

Floating-point performance

3,226 gflops

3,935 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

4,313 million

7,080 million

Pipelines / CUDA cores

1792

2688

Power consumption (TDP)

225 Watt

235 Watt

Texture fill rate

100.8

164.0

Memory type

GDDR5

GDDR5

Maximum RAM amount

6 GB

6 GB

Memory bus width

384 Bit

384 Bit

Memory clock speed

5500 MHz

5200 MHz

Memory bandwidth

176 GB/s

249.6 GB/s

Display Connectors

1x DisplayPort

No outputs

DisplayPort count

1

-

Dual-link DVI support

1

-

DirectX

12 (11_1)

12 (11_0)

CUDA

-

3.5

OpenCL

1.2

1.2

OpenGL

4.6

4.6

Shader Model

5.1

5.1

Vulkan

1.2.131

1.1.126