Radeon HD 8970M and GeForce GT 755M SLI - video card comparison

Radeon HD 8970M

GeForce GT 755M SLI

Architecture

GCN (2011−2017)

Kepler (2012−2018)

GPU code name

Neptune

N14P-?

Market segment

Laptop

Laptop

Release date

May 2013

November 2013

Interface

PCIe 3.0 x16

-

Boost clock speed

900 MHz

-

Core clock speed

850 MHz

980 MHz

Floating-point performance

2,304 gflops

-

Manufacturing process technology

28 nm

28 nm

Number of transistors

2,800 million

2x 1300 Million

Pipelines / CUDA cores

1280

768

Power consumption (TDP)

100 Watt

2x ~50 Watt

Texture fill rate

72.00

-

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

2x 2 GB

Memory bus width

256 Bit

2x 128 Bit

Memory clock speed

4800 MHz

5400 MHz

Memory bandwidth

153.6 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

-

DirectX

12 (11_1)

11

CUDA

-

+

OpenCL

1.2

-

OpenGL

4.6

-

Shader Model

5.1

-

Vulkan

1.2.131

-