GeForce GTX 680MX Mac Edition and Radeon Pro Vega 20 - video card comparison

GeForce GTX 680MX Mac Edition

Radeon Pro Vega 20

Architecture

Kepler (2012−2018)

Vega (2017−2021)

GPU code name

GK104

Vega Mobile

Market segment

Desktop

Mobile workstation

Release date

October 2012

November 2018

Interface

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

Boost clock speed

1283 MHz

Core clock speed

719 MHz

815 MHz

Floating-point performance

2,209 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

3,540 million

Pipelines / CUDA cores

1536

1280

Power consumption (TDP)

122 Watt

100 Watt

Texture fill rate

92.03

102.6

Memory type

GDDR5

HBM2

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

1024 Bit

Memory clock speed

5000 MHz

1480 MHz

Memory bandwidth

160.0 GB/s

189.4 GB/s

Shared memory

Display Connectors

No outputs

DirectX

12 (11_0)

12 (12_1)

CUDA

3.0

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.3

Vulkan

1.1.126

1.2.131