GeForce GTX 285 and Knights Ferry - video card comparison

GeForce GTX 285

Knights Ferry

Architecture

Tesla 2.0 (2007−2013)

Knights (2010)

GPU code name

GT200B

Knights Ferry

Market segment

Desktop

Desktop

Release date

December 2008

-

Interface

PCIe 2.0 x16

-

Supplementary power connectors

2x 6-pin

-

SLI options

+

-

Core clock speed

648 MHz

-

CUDA cores

240

-

Floating-point performance

708.5 gflops

-

Manufacturing process technology

55 nm

45 nm

Number of transistors

1,400 million

2,300 million

Pipelines / CUDA cores

240

512

Power consumption (TDP)

204 Watt

-

Maximum GPU temperature

105 °C

-

Texture fill rate

51.8 billion/sec

-

Memory type

GDDR3

-

Maximum RAM amount

1 GB

-

Memory bus width

512 Bit

-

Memory clock speed

1242 MHz

-

Memory bandwidth

159.0 GB/s

-

Display Connectors

HDTVTwo Dual Link DVI

-

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

N/A

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

2.1

N/A

Shader Model

4.0

5.0

Vulkan

N/A

N/A

High Dynamic-Range Lighting (HDRR)

128bit

-