GeForce GT 640M Mac Edition and Radeon RX Vega 64 Liquid Cooling - video card comparison

GeForce GT 640M Mac Edition

Radeon RX Vega 64 Liquid Cooling

Architecture

Kepler (2012−2018)

GCN 5.0 (2017−2020)

GPU code name

GK107

Vega 10

Market segment

Desktop

Release date

February 2013

August 2017

Interface

PCIe 3.0 x16

Supplementary power connectors

2x 8-pin

Boost clock speed

1668 MHz

Core clock speed

745 MHz

1408 MHz

Floating-point performance

572.2 gflops

14,336 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

1,270 million

12,500 million

Pipelines / CUDA cores

384

4096

Power consumption (TDP)

32 Watt

345 Watt

Texture fill rate

23.84

427.0

Memory type

GDDR5

HBM2

Maximum RAM amount

512 MB

8 GB

Memory bus width

64 Bit

2048 Bit

Memory clock speed

5000 MHz

1890 MHz

Memory bandwidth

40 GB/s

483.8 GB/s

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

DirectX

12 (11_0)

12 (12_1)

CUDA

3.0

OpenCL

1.2

2.0

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.1.125