Radeon RX 470 and GeForce GTX 660M Mac Edition - video card comparison

Radeon RX 470

GeForce GTX 660M Mac Edition

Architecture

Polaris (2016−2019)

Kepler (2012−2018)

GPU code name

Polaris 10 Pro

GK107

Market segment

Desktop

Release date

August 2016

April 2013

Interface

PCIe 3.0 x16

MXM-B (3.0)

Supplementary power connectors

1x 6-pin

None

Boost clock speed

1206 MHz

Core clock speed

926 MHz

950 MHz

Floating-point performance

4,940 gflops

729.6 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

5,700 million

1,270 million

Pipelines / CUDA cores

2048

384

Power consumption (TDP)

120 Watt

50 Watt

Texture fill rate

154.4

30.40

Memory type

GDDR5

Maximum RAM amount

8 GB

512 MB

Memory bus width

256 Bit

128 Bit

Memory clock speed

6600 MHz

5000 MHz

Memory bandwidth

211.2 GB/s

80 GB/s

Shared memory

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

HDMI

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