Radeon HD 6870 and A800 SXM4 80 GB - video card comparison

Radeon HD 6870

A800 SXM4 80 GB

Architecture

Terascale 2 (2009−2015)

Ampere (2020−2022)

GPU code name

RV940 Barts

GA100

Market segment

Desktop

Desktop

Release date

October 2010

August 2022

Bus support

PCIe 2.0 x16

-

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

None

Boost clock speed

900 MHz

1410 MHz

Floating-point performance

2,016.0 gflops

-

Manufacturing process technology

40 nm

7 nm

Number of transistors

1,700 million

54,200 million

Pipelines / CUDA cores

1120

6912

Power consumption (TDP)

151 Watt

400 Watt

Texture fill rate

50.40

609.1

Memory type

GDDR5

HBM2e

Maximum RAM amount

1 GB

80 GB

Memory bus width

256 Bit

5120 Bit

Memory clock speed

1050 MHz

3.2 GB/s

Memory bandwidth

134.4 GB/s

2,039 GB/s

Shared memory

-

-

Display Connectors

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

No outputs

Eyefinity

1

-

HDMI

+

-

DisplayPort support

-

-

DirectX

DirectX® 11

N/A

CUDA

-

8.0

Mantle

-

-

OpenCL

1.2

3.0

OpenGL

4.4

N/A

Shader Model

5.0

N/A

Vulkan

-

N/A

AppAcceleration

-

-

CrossFire

1

-

Enduro

-

-

HD3D

-

-

PowerTune

-

-

TrueAudio

-

-

ZeroCore

-

-