GeForce GTX 660 OEM and Radeon Vega 7 - video card comparison

GeForce GTX 660 OEM

Radeon Vega 7

Architecture

Kepler (2012−2018)

GCN 5.1 (2018−2021)

GPU code name

GK104

Cezanne

Market segment

Desktop

Release date

August 2012

April 2021

Interface

PCIe 3.0 x16

IGP

Supplementary power connectors

1x 6-pin

None

Boost clock speed

888 MHz

1900 MHz

Core clock speed

823 MHz

Floating-point performance

2,046 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

3,540 million

9,800 million

Pipelines / CUDA cores

1152

448

Power consumption (TDP)

130 Watt

45 Watt

Texture fill rate

85.25

53.20

Memory type

GDDR5

System Shared

Maximum RAM amount

2 GB

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

5600 MHz

System Shared

Memory bandwidth

179.2 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

12 (11_0)

12 (12_1)

CUDA

3.0

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2