Radeon RX Vega 8 (Ryzen 2000/3000) and GeForce GTX 645 OEM - video card comparison

Radeon RX Vega 8 (Ryzen 2000/3000)

GeForce GTX 645 OEM

Architecture

Vega (2017−2021)

Kepler (2012−2018)

GPU code name

Vega Raven Ridge

GK106

Market segment

Laptop

Desktop

Release date

October 2017

April 2013

Interface

PCIe 3.0 x16

Supplementary power connectors

None

Boost clock speed

1200 MHz

Core clock speed

824 MHz

Floating-point performance

949.2 gflops

Manufacturing process technology

14 nm

28 nm

Number of transistors

2,540 million

Pipelines / CUDA cores

512

576

Power consumption (TDP)

15 Watt

65 Watt

Texture fill rate

39.55

Memory type

GDDR5

Maximum RAM amount

1 GB

Memory bus width

128 Bit

Memory clock speed

4000 MHz

Memory bandwidth

64 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

DirectX

12_1

12 (11_0)

CUDA

3.0

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

Vulkan

1.1.126