Radeon HD 6850 and FirePro V7770 - video card comparison

Radeon HD 6850

FirePro V7770

Architecture

TeraScale 2 (2009−2015)

TeraScale (2005−2013)

GPU code name

Barts

RV770

Market segment

Desktop

Workstation

Release date

October 2010

2012

Bus support

AGP

-

Interface

PCIe 2.0 x16

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

1x 6-pin

Core clock speed

-

625 MHz

Floating-point performance

1,488.0 gflops

-

Manufacturing process technology

40 nm

55 nm

Number of transistors

1,700 million

956 million

Pipelines / CUDA cores

960

800

Power consumption (TDP)

127 Watt

76 Watt

Texture fill rate

37.20

25.00

Memory type

GDDR5

GDDR4

Maximum RAM amount

1 GB

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

-

2.1 GB/s

Memory bandwidth

128.0 GB/s

33.6 GB/s

Display Connectors

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

1x DVI

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

10.1 (10_1)

Mantle

-

-

OpenCL

1.2

1.1

OpenGL

4.4

3.3

Shader Model

5.0

4.1

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-