Radeon HD 6870 X2 and L40 - video card comparison

Radeon HD 6870 X2

L40

Architecture

TeraScale 2 (2009−2015)

Ada Lovelace

GPU code name

Barts

AD102

Market segment

Desktop

Desktop

Release date

July 2011

October 2022

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

-

1x 16-pin

Boost clock speed

-

2490 MHz

Core clock speed

900 MHz

-

Floating-point performance

2x 2,016.0 gflops

-

Manufacturing process technology

40 nm

4 nm

Number of transistors

1,700 million

76,300 million

Pipelines / CUDA cores

1120

18176

Power consumption (TDP)

300 Watt

300 Watt

Texture fill rate

50.40

1,414

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

48 GB

Memory bus width

256 Bit

384 Bit

Memory clock speed

4200 MHz

18 GB/s

Memory bandwidth

134.4 GB/s

864.0 GB/s

Display Connectors

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

4x DisplayPort 1.4a

HDMI

+

-

DirectX

11.2 (11_0)

12 Ultimate (12_2)

CUDA

-

8.9

OpenCL

1.2

3.0

OpenGL

4.4

4.6

Shader Model

5.0

6.7

Vulkan

N/A

1.3