GeForce 8400 GS and WinBoost - video card comparison

GeForce 8400 GS

WinBoost

Architecture

Tesla (2006−2010)

Mach (1992−1997)

GPU code name

G86

Mach64

Market segment

Desktop

Desktop

Release date

April 2007

November 1995

Interface

PCIe 1.0 x16

PCI

Supplementary power connectors

None

-

SLI options

+

-

Core clock speed

459 MHz

40 MHz

Floating-point performance

29.376 gflops

-

Manufacturing process technology

80 nm

600 nm

Number of transistors

210 million

1 million

Pipelines / CUDA cores

16

-

Power consumption (TDP)

40 Watt

-

Texture fill rate

3.6 billion/sec

-

Memory type

DDR2

EDO

Maximum RAM amount

256 MB

2 MB

Memory bus width

64 Bit

64 Bit

Memory clock speed

800 MHz

40 MHz

Memory bandwidth

6.4 GB/s

320.0 MB/s

Standard memory config per GPU

256 MB

-

Display Connectors

1x DVI, 1x VGA, 1x S-Video

1x VGA

DirectX

11.1 (10_0)

N/A

CUDA

1.1

-

OpenCL

1.1

N/A

OpenGL

2.1

N/A

Shader Model

4.0

-

Vulkan

N/A

N/A