GeForce GTX 1660 Super and RTX A40 - video card comparison

GeForce GTX 1660 Super

RTX A40

Architecture

Turing (2018−2021)

Ampere (2020−2022)

GPU code name

Turing TU116

GA102

Market segment

Desktop

Desktop

Release date

October 2019

October 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

8-pin EPS

Boost clock speed

1785 MHz

1755 MHz

Core clock speed

1530 MHz

-

Manufacturing process technology

12 nm

8 nm

Number of transistors

6,600 million

28,300 million

Pipelines / CUDA cores

1408

10752

Power consumption (TDP)

125 Watt

300 Watt

Texture fill rate

157.1

589.7

Memory type

GDDR6

GDDR6

Maximum RAM amount

6 GB

48 GB

Memory bus width

192 Bit

384 Bit

Memory clock speed

14000 MHz

14.5 GB/s

Memory bandwidth

336.0 GB/s

695.8 GB/s

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

3x DisplayPort

HDMI

+

-

HDCP

+

-

G-SYNC support

+

-

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

7.5

8.6

OpenCL

1.2

2.0

OpenGL

4.6

4.6

Shader Model

6.5

6.5

Vulkan

1.2.131

1.2

Ansel

+

-

NVENC

+

-