GeForce GTS 250 and GeForce GTX 490 - video card comparison

GeForce GTS 250

GeForce GTX 490

Architecture

Tesla (2006−2010)

Fermi (2010−2014)

GPU code name

G92B

GF100

Market segment

Desktop

Desktop

Release date

March 2009

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

6-pin

2x 8-pin

SLI options

+

-

Core clock speed

738 MHz

608 MHz

CUDA cores

128

-

Floating-point performance

387.1 gflops

-

Manufacturing process technology

55 nm

40 nm

Number of transistors

754 million

3,100 million

Pipelines / CUDA cores

128

480

Power consumption (TDP)

150 Watt

365 Watt

Maximum GPU temperature

105 °C

-

Texture fill rate

47.2 billion/sec

36.48

Memory type

GDDR3

GDDR5

Maximum RAM amount

1 GB

1536 MB

Memory bus width

256 Bit

384 Bit

Memory clock speed

1100 MHz

3.4 GB/s

Memory bandwidth

70.4 GB/s

164.0 GB/s

Display Connectors

Two Dual Link DVI

3x DVI, 1x mini-DisplayPort

Multi monitor support

+

-

HDMI

+

-

Maximum VGA resolution

2048x1536

-

Audio input for HDMI

S/PDIF

-

DirectX

11.1 (10_0)

12 (11_0)

CUDA

+

2.0

OpenCL

1.1

1.1

OpenGL

3.0

4.6

Shader Model

4.0

5.1

Vulkan

N/A

N/A