GeForce GTX 980M SLI and Radeon HD 8670M - video card comparison

GeForce GTX 980M SLI

Radeon HD 8670M

Architecture

Maxwell (2014−2018)

GCN (2011−2017)

GPU code name

-

Sun

Market segment

Laptop

Laptop

Release date

October 2014

November 2012

Interface

-

PCIe 3.0 x8

SLI options

+

-

Boost clock speed

1127 MHz

825 MHz

Core clock speed

1038 MHz

775 MHz

Floating-point performance

-

633.6 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

2x 5200 Million

690 million

Pipelines / CUDA cores

3072

384

Power consumption (TDP)

200 Watt

-

Texture fill rate

-

19.50

Memory type

GDDR5

DDR3

Maximum RAM amount

2x 8 GB

2 GB

Memory bus width

2x 256 Bit

64 Bit

Memory clock speed

5000 MHz

2000 MHz

Memory bandwidth

-

16 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12_1

12 (11_1)

CUDA

+

-

OpenCL

-

1.2

OpenGL

-

4.6

Shader Model

-

5.1

Vulkan

+

1.2.131

Optimus

+

-