GeForce GTX 770M SLI and Radeon HD 8970M - video card comparison

GeForce GTX 770M SLI

Radeon HD 8970M

Architecture

Kepler (2012−2018)

GCN (2011−2017)

GPU code name

-

Neptune

Market segment

Laptop

Laptop

Release date

May 2013

May 2013

Interface

-

PCIe 3.0 x16

SLI options

+

-

Boost clock speed

-

900 MHz

Core clock speed

811 MHz

850 MHz

Floating-point performance

-

2,304 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

2x 2540 Million

2,800 million

Pipelines / CUDA cores

1920

1280

Power consumption (TDP)

150 Watt

100 Watt

Texture fill rate

-

72.00

Memory type

GDDR5

GDDR5

Maximum RAM amount

2x 3 GB

4 GB

Memory bus width

2x 192 Bit

256 Bit

Memory clock speed

4000 MHz

4800 MHz

Memory bandwidth

-

153.6 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

11

12 (11_1)

CUDA

+

-

OpenCL

-

1.2

OpenGL

-

4.6

Shader Model

-

5.1

Vulkan

-

1.2.131

Optimus

+

-