Radeon HD 6870 1600SP Edition and Radeon HD 7950 Monica BIOS 1 - video card comparison

Radeon HD 6870 1600SP Edition

Radeon HD 7950 Monica BIOS 1

Architecture

TeraScale 2 (2009−2015)

GCN 1.0 (2012−2020)

GPU code name

Cypress

Tahiti

Market segment

Desktop

Release date

January 2013

January 2012

Interface

PCIe 2.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin + 1x 8-pin

Core clock speed

850 MHz

925 MHz

Floating-point performance

2,720 gflops

2,842 gflops

Manufacturing process technology

40 nm

28 nm

Number of transistors

2,154 million

4,313 million

Pipelines / CUDA cores

1600

1536

Power consumption (TDP)

175 Watt

185 Watt

Texture fill rate

68.00

88.80

Memory type

GDDR5

Maximum RAM amount

1 GB

3 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

4200 MHz

5000 MHz

Memory bandwidth

134.4 GB/s

240.0 GB/s

Display Connectors

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

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

HDMI

DirectX

11.2 (11_0)

12 (11_1)

OpenCL

1.2

OpenGL

4.4

4.6

Shader Model

5.0

5.1

Vulkan

N/A

1.2.131