GeForce GT 635M and GeForce GT 650M Mac Edition - video card comparison

GeForce GT 635M

GeForce GT 650M Mac Edition

Architecture

Fermi (2010−2014)

Kepler (2012−2018)

GPU code name

N13E-GE2

GK107

Market segment

Laptop

Desktop

Release date

December 2011

July 2012

Bus support

PCI Express 2.0

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Boost clock speed

753 MHz

Core clock speed

Up to 675 MHz

900 MHz

CUDA cores

Up to 144

Floating-point performance

253.4 gflops

691.2 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

1,170 million

1,270 million

Pipelines / CUDA cores

144

384

Power consumption (TDP)

35 Watt

45 Watt

Texture fill rate

Up to 16.2 billion/sec

28.80

Memory type

DDR3

GDDR5

Maximum RAM amount

2 GB

512 MB

Memory bus width

Up to 192bit

128 Bit

Memory clock speed

1800 MHz

5016 MHz

Memory bandwidth

Up to 43.2 GB/s

80.26 GB/s

Shared memory

Display Connectors

No outputs

HDMI

HDCP

Maximum VGA resolution

Up to 2048x1536

DirectX

12 API

12 (11_0)

CUDA

3.0

OpenCL

1.1

1.2

OpenGL

4.5

4.6

Shader Model

5.1

Vulkan

N/A

1.1.126

3D Blu-Ray

Optimus