Radeon HD 5870 Mac Edition and GeForce GTX 1660 Mobile - video card comparison

Radeon HD 5870 Mac Edition

GeForce GTX 1660 Mobile

Architecture

TeraScale 2 (2009−2015)

Turing (2018−2021)

GPU code name

Cypress

TU116B

Market segment

Desktop

Laptop

Release date

June 2010

May 2019

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

Boost clock speed

1590 MHz

Core clock speed

850 MHz

1455 MHz

Floating-point performance

2,720.0 gflops

Manufacturing process technology

40 nm

12 nm

Number of transistors

2,154 million

6,600 million

Pipelines / CUDA cores

1600

1280

Power consumption (TDP)

228 Watt

Texture fill rate

68.00

127.2

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

6 GB

Memory bus width

256 Bit

192 Bit

Memory clock speed

4780 MHz

16000 MHz

Memory bandwidth

153.0 GB/s

384.0 GB/s

Display Connectors

1x DVI, 2x mini-DisplayPort

1x DVI, 1x HDMI, 3x DisplayPort

HDMI

DirectX

11.2 (11_0)

12 (12_1)

CUDA

7.5

OpenCL

1.2

OpenGL

4.4

4.6

Shader Model

5.0

6.5

Vulkan

N/A

1.2.140