Radeon HD 7770 and GF108 - video card comparison

Radeon HD 7770

GF108

Architecture

GCN (2011−2017)

Fermi (2010−2014)

GPU code name

Cape Verde

GF108

Market segment

Desktop

Desktop

Release date

February 2012

-

Interface

PCIe 3.0 x16

-

Supplementary power connectors

1x 6-pin

-

Core clock speed

1000 MHz

-

Manufacturing process technology

28 nm

40 nm

Number of transistors

1,500 million

585 million

Pipelines / CUDA cores

640

96

Power consumption (TDP)

80 Watt

-

Texture fill rate

40.00

-

Memory type

GDDR5

-

Maximum RAM amount

2 GB

-

Memory bus width

128 Bit

-

Memory clock speed

4500 MHz

-

Memory bandwidth

72 GB/s

-

Shared memory

-

-

Display Connectors

1x DVI, 1x HDMI, 2x mini-DisplayPort

-

Eyefinity

+

-

HDMI

+

-

DirectX

12 (11_1)

12 (11_0)

CUDA

-

2.1

OpenCL

1.2

1.1

OpenGL

4.6

4.6

Shader Model

5.1

5.1

Vulkan

1.2.131

N/A

PureVideo HD

-

VP4