Radeon E8870 and C78 - video card comparison

Radeon E8870

C78

Architecture

GCN 2.0 (2013−2017)

Tesla (2006−2010)

GPU code name

Saturn

C78

Market segment

Desktop

Desktop

Release date

September 2015

-

Interface

MXM-B (3.0)

-

Supplementary power connectors

None

-

Core clock speed

1000 MHz

-

Floating-point performance

1,536 gflops

-

Manufacturing process technology

28 nm

80 nm

Number of transistors

2,080 million

210 million

Pipelines / CUDA cores

768

16

Power consumption (TDP)

75 Watt

-

Texture fill rate

48.00

-

Memory type

GDDR5

-

Maximum RAM amount

4 GB

-

Memory bus width

128 Bit

-

Memory clock speed

6000 MHz

-

Memory bandwidth

96 GB/s

-

Display Connectors

No outputs

-

DirectX

12 (12_0)

11.1 (10_0)

OpenCL

2.0

N/A

OpenGL

4.6

3.3

Shader Model

6.3

4.0

Vulkan

1.2.131

N/A

PureVideo HD

-

VP3