Radeon HD 6870 and Radeon E9173 PCIe - video card comparison

Radeon HD 6870

Radeon E9173 PCIe

Architecture

Terascale 2 (2009−2015)

GCN 4.0 (2016−2020)

GPU code name

RV940 Barts

Lexa

Market segment

Desktop

Desktop

Release date

October 2010

October 2017

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 3.0 x8

Supplementary power connectors

2x 6-pin

None

Boost clock speed

900 MHz

1219 MHz

Core clock speed

-

1124 MHz

Floating-point performance

2,016.0 gflops

1,248 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

1,700 million

2,200 million

Pipelines / CUDA cores

1120

512

Power consumption (TDP)

151 Watt

35 Watt

Texture fill rate

50.40

39.01

Memory type

GDDR5

GDDR5

Maximum RAM amount

1 GB

2 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

1050 MHz

6000 MHz

Memory bandwidth

134.4 GB/s

48 GB/s

Shared memory

-

-

Display Connectors

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

1x DisplayPort, 2x mini-DisplayPort

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

12 (12_0)

Mantle

-

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.4

Vulkan

-

1.2.131

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-