GeForce RTX 3060 Mobile and GeForce GTX 660 OEM - video card comparison

GeForce RTX 3060 Mobile

GeForce GTX 660 OEM

Architecture

Ampere (2020−2022)

Kepler (2012−2018)

GPU code name

GN20-E3 GA106

GK104

Market segment

Laptop

Desktop

Release date

January 2021

August 2012

Interface

PCIe 4.0 x16

PCIe 3.0 x16

Supplementary power connectors

1x 6-pin

Boost clock speed

1702 MHz

888 MHz

Core clock speed

817 MHz

823 MHz

Floating-point performance

2,046 gflops

Manufacturing process technology

8 nm

28 nm

Number of transistors

13,250 million

3,540 million

Pipelines / CUDA cores

3840

1152

Power consumption (TDP)

115 Watt (60 - 115 Watt TGP)

130 Watt

Texture fill rate

171.0

85.25

Memory type

GDDR6

GDDR5

Maximum RAM amount

6 GB

2 GB

Memory bus width

192 Bit

256 Bit

Memory clock speed

14000 MHz

5600 MHz

Memory bandwidth

336.0 GB/s

179.2 GB/s

Shared memory

Display Connectors

No outputs

2x DVI, 1x HDMI, 1x DisplayPort

HDMI

DirectX

12 Ultimate (12_2)

12 (11_0)

CUDA

8.6

3.0

OpenCL

2.0

1.2

OpenGL

4.6

Shader Model

6.5

5.1

Vulkan

1.2

1.1.126