GeForce 805A and GK20A - video card comparison

GeForce 805A

GK20A

Architecture

Kepler 2.0 (2013−2015)

Kepler 2.0 (2013−2015)

GPU code name

GK208

GK20A

Market segment

Desktop

Desktop

Release date

July 2014

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Interface

PCIe 3.0 x8

-

Boost clock speed

758 MHz

-

Core clock speed

719 MHz

-

Floating-point performance

297.6 gflops

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Manufacturing process technology

28 nm

28 nm

Number of transistors

915 million

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Pipelines / CUDA cores

192

192

Power consumption (TDP)

15 Watt

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Texture fill rate

12.13

-

Memory type

DDR3

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Maximum RAM amount

1 GB

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Memory bus width

64 Bit

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Memory clock speed

2002 MHz

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Memory bandwidth

16.02 GB/s

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Display Connectors

No outputs

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DirectX

12 (11_0)

12 (11_0)

CUDA

3.5

3.2

OpenCL

1.2

N/A

OpenGL

4.6

ES 3.1

Shader Model

5.1

6.5 (5.1)

Vulkan

1.1.126

1.3

PureVideo HD

-

VP5