Radeon HD 6870 and Quadro 4000 - video card comparison

Passmark - benchmark score Radeon HD 6870 vs Quadro 4000

Radeon HD 6870

2285

Quadro 4000

1523

Radeon HD 6870

Quadro 4000

Architecture

Terascale 2 (2009−2015)

Fermi (2010−2014)

GPU code name

RV940 Barts

GF100

Market segment

Desktop

Workstation

Release date

October 2010

November 2010

Bus support

PCIe 2.0 x16

Interface

PCIe 2.0 x16

Supplementary power connectors

2x 6-pin

1x 6-pin

Boost clock speed

900 MHz

Core clock speed

475 MHz

Floating-point performance

2,016.0 gflops

486.4 gflops

Manufacturing process technology

40 nm

Number of transistors

1,700 million

3,100 million

Pipelines / CUDA cores

1120

256

Power consumption (TDP)

151 Watt

142 Watt

Texture fill rate

50.40

15.20

Memory type

GDDR5

Maximum RAM amount

1 GB

2 GB

Memory bus width

256 Bit

Memory clock speed

1050 MHz

2808 MHz

Memory bandwidth

134.4 GB/s

89.86 GB/s

Shared memory

Display Connectors

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

1x DVI, 2x DisplayPort

Eyefinity

HDMI

DisplayPort support

DirectX

DirectX® 11

12 (11_0)

CUDA

2.0

Mantle

OpenCL

1.2

1.1

OpenGL

4.4

4.6

Shader Model

5.0

5.1

Vulkan

N/A

AppAcceleration

CrossFire

Enduro

HD3D

PowerTune

TrueAudio

ZeroCore