GeForce GTX 675MX Mac Edition and Radeon E9171 MCM - video card comparison

GeForce GTX 675MX Mac Edition

Radeon E9171 MCM

Architecture

Kepler (2012−2018)

GCN 4.0 (2016−2020)

GPU code name

GK104

Lexa

Market segment

Desktop

Release date

April 2013

October 2017

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

None

Boost clock speed

1219 MHz

Core clock speed

719 MHz

1124 MHz

Floating-point performance

1,933 gflops

1,248 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

3,540 million

2,200 million

Pipelines / CUDA cores

1344

512

Power consumption (TDP)

100 Watt

40 Watt

Texture fill rate

80.53

39.01

Memory type

GDDR5

Maximum RAM amount

1 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

5000 MHz

6000 MHz

Memory bandwidth

160.0 GB/s

96 GB/s

Display Connectors

No outputs

DirectX

12 (11_0)

12 (12_0)

CUDA

3.0

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131