Radeon Pro 455 and GeForce GT 650M Mac Edition - video card comparison

Radeon Pro 455

GeForce GT 650M Mac Edition

Architecture

Polaris (2016−2019)

Kepler (2012−2018)

GPU code name

Polaris 11

GK107

Market segment

Mobile workstation

Desktop

Release date

October 2016

July 2012

Interface

PCIe 3.0 x8

PCIe 3.0 x16

Supplementary power connectors

None

Core clock speed

855 MHz

900 MHz

Floating-point performance

1,313 gflops

691.2 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

3,000 million

1,270 million

Pipelines / CUDA cores

768

384

Power consumption (TDP)

45 Watt

Texture fill rate

41.04

28.80

Memory type

GDDR5

Maximum RAM amount

2 GB

512 MB

Memory bus width

128 Bit

Memory clock speed

5000 MHz

5016 MHz

Memory bandwidth

81.28 GB/s

80.26 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (12_0)

12 (11_0)

CUDA

3.0

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131

1.1.126

FreeSync