GeForce 845M and GeForce GT 555M - video card comparison

Passmark - benchmark score GeForce 845M vs GeForce GT 555M

GeForce 845M

1570

GeForce GT 555M

674

GeForce 845M

GeForce GT 555M

Architecture

Maxwell (2014−2018)

Fermi (2010−2014)

GPU code name

GM108

N12E-GE-B

Market segment

Laptop

Release date

March 2014

January 2011

Bus support

PCI Express 2.0

Interface

PCIe 3.0 x8

PCIe 2.0 x16

SLI options

Boost clock speed

1150 MHz

753 MHz

Core clock speed

1071 MHz

Up to 753 MHz

CUDA cores

Up to 144

Floating-point performance

883.7 gflops

388.8 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,870 million

1,170 million

Pipelines / CUDA cores

384

144

Power consumption (TDP)

45 Watt

35 Watt

Texture fill rate

37.63

Up to 16.2 billion/sec

Memory type

DDR3, GDDR5

DDR3\DDR5

Maximum RAM amount

2 GB

3 GB

Memory bus width

64/128 Bit

Up to 192 bit/128 Bit

Memory clock speed

2000 - 5000 MHz

Up to 1569 MHz

Memory bandwidth

40.1 GB/s

Up to 50.2 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_0)

12 API

CUDA

OpenCL

1.2

1.1

OpenGL

4.6

4.5

Shader Model

5.1

Vulkan

1.1.126

N/A

3D Blu-Ray

3D Gaming

Optimus