GeForce 820M and NV18 A2 - video card comparison

GeForce 820M

NV18 A2

Architecture

Fermi (2010−2014)

Celsius (1999−2005)

GPU code name

N15V-GM

NV18 A2

Market segment

Laptop

Desktop

Release date

January 2014

-

Bus support

PCI Express 2.0

-

Interface

PCIe 2.0 x16

-

Core clock speed

775 MHz

-

Floating-point performance

240.0 gflops

-

Manufacturing process technology

28 nm

150 nm

Number of transistors

585 million

29 million

Pipelines / CUDA cores

96

-

Power consumption (TDP)

15 Watt

-

Texture fill rate

10.00

-

Memory type

DDR3

-

Maximum RAM amount

2 GB

-

Memory bus width

64 Bit

-

Memory clock speed

1800 MHz

-

Memory bandwidth

14.4 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

-

DirectX

12 (11_0)

8.0

CUDA

+

-

OpenCL

1.1

N/A

OpenGL

4.5

1.3

Shader Model

5.1

-

Vulkan

N/A

N/A

GameWorks

+

-

GPU Boost

2.0

-

Optimus

+

-