GeForce GTX 680 Mac Edition and Radeon E9171 MCM - video card comparison

GeForce GTX 680 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 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Boost clock speed

1058 MHz

1219 MHz

Core clock speed

1006 MHz

1124 MHz

Floating-point performance

3,250 gflops

1,248 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

3,540 million

2,200 million

Pipelines / CUDA cores

1536

512

Power consumption (TDP)

195 Watt

40 Watt

Texture fill rate

135.4

39.01

Memory type

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

6008 MHz

6000 MHz

Memory bandwidth

192.3 GB/s

96 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

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