GeForce GTX 970M SLI and Radeon 680M - video card comparison

GeForce GTX 970M SLI

Radeon 680M

Architecture

Maxwell (2014−2018)

RDNA 2 (2020−2022)

GPU code name

-

RDNA 2 Rembrandt

Market segment

Laptop

Laptop

Release date

October 2014

January 2022

Interface

-

PCIe 4.0 x8

Supplementary power connectors

-

None

SLI options

+

-

Boost clock speed

1038 MHz

2400 MHz

Core clock speed

924 MHz

-

Manufacturing process technology

28 nm

6 nm

Number of transistors

2x 5200 Million

13,100 million

Pipelines / CUDA cores

2560

768

Power consumption (TDP)

162 Watt

45 Watt

Texture fill rate

-

115.2

Memory type

GDDR5

System Shared

Maximum RAM amount

2x 6 GB

System Shared

Memory bus width

2x 192 Bit

System Shared

Memory clock speed

5000 MHz

System Shared

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12_1

12 (12_1)

CUDA

+

-

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.5

Vulkan

-

1.2

Optimus

+

-