GeForce GTX 1660 Super and Radeon HD 7770M - video card comparison

GeForce GTX 1660 Super

Radeon HD 7770M

Architecture

Turing (2018−2021)

GCN (2011−2017)

GPU code name

Turing TU116

Chelsea XT

Market segment

Desktop

Laptop

Release date

October 2019

April 2012

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 8-pin

Boost clock speed

1785 MHz

Core clock speed

1530 MHz

675 MHz

Floating-point performance

691.2 gflops

Manufacturing process technology

12 nm

28 nm

Number of transistors

6,600 million

1,500 million

Pipelines / CUDA cores

1408

512

Power consumption (TDP)

125 Watt

32 Watt

Texture fill rate

157.1

21.60

Memory type

GDDR6

GDDR5

Maximum RAM amount

6 GB

1 GB

Memory bus width

192 Bit

128 Bit

Memory clock speed

14000 MHz

4000 MHz

Memory bandwidth

336.0 GB/s

64 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

HDCP

G-SYNC support

DirectX

12 (12_1)

12 (11_1)

CUDA

7.5

OpenCL

1.2

OpenGL

4.6

Shader Model

6.5

5.1

Vulkan

1.2.131

Ansel

NVENC