FireGL V8650 and Tesla K20X - video card comparison

FireGL V8650

Tesla K20X

Architecture

TeraScale (2005−2013)

Kepler (2012−2018)

GPU code name

R600

GK110

Market segment

Workstation

Workstation

Release date

May 2007

November 2012

Interface

PCIe 1.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

1x 6-pin + 1x 8-pin

Core clock speed

688 MHz

732 MHz

Floating-point performance

440.3 gflops

3,935 gflops

Manufacturing process technology

80 nm

28 nm

Number of transistors

720 million

7,080 million

Pipelines / CUDA cores

320

2688

Power consumption (TDP)

-

235 Watt

Texture fill rate

11.01

164.0

Memory type

GDDR4

GDDR5

Maximum RAM amount

2 GB

6 GB

Memory bus width

512 Bit

384 Bit

Memory clock speed

1736 MHz

5200 MHz

Memory bandwidth

111.1 GB/s

249.6 GB/s

Display Connectors

2x DVI, 1x S-Video

No outputs

DirectX

10.0 (10_0)

12 (11_0)

CUDA

-

3.5

OpenCL

N/A

1.2

OpenGL

3.3

4.6

Shader Model

4.0

5.1

Vulkan

N/A

1.1.126