GeForce GTX 260M and GeForce GT 555M 3 GB - video card comparison

GeForce GTX 260M

GeForce GT 555M 3 GB

Architecture

G9x (2007−2010)

Fermi (2010−2014)

GPU code name

N10E-GT

GF106

Market segment

Laptop

Desktop

Release date

March 2009

March 2011

Bus support

PCI-E 2.0

Interface

PCIe 2.0 x16

Supplementary power connectors

None

SLI options

2-way

MXM Type

MXM 3.0 Type-B

Core clock speed

550 MHz

590 MHz

CUDA cores

112

Floating-point performance

308 gflops

Gigaflops

462

Manufacturing process technology

55 nm

40 nm

Number of transistors

754 million

1,170 million

Pipelines / CUDA cores

112

144

Power consumption (TDP)

75 Watt

35 Watt

Texture fill rate

31 billion/sec

14.16

Memory type

GDDR3

DDR3

Maximum RAM amount

1 GB

3 GB

Memory bus width

256 Bit

192 Bit

Memory clock speed

Up to 950 MHz

1800 MBps

Memory bandwidth

61 GB/s

43.2 GB/s

Shared memory

Display Connectors

DisplayPortSingle Link DVIDual Link DVIVGALVDSHDMI

Portable Device Dependent

HDMI

Maximum VGA resolution

2048x1536

Audio input for HDMI

S/PDIF

DirectX

11.1 (10_0)

12 (11_0)

CUDA

2.1

OpenCL

1.1

OpenGL

2.1

4.6

Shader Model

4.0

5.1

Vulkan

N/A

Power management

8.0