RTX A40 and GeForce RTX 4070 - video card comparison

RTX A40

GeForce RTX 4070

Architecture

Ampere (2020−2022)

Ada Lovelace

GPU code name

GA102

AD104

Market segment

Desktop

Desktop

Release date

October 2020

April 2023

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

8-pin EPS

1x 16-pin

Boost clock speed

1755 MHz

2475 MHz

Core clock speed

-

1920 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

28,300 million

35,800 million

Pipelines / CUDA cores

10752

5888

Power consumption (TDP)

300 Watt

200 Watt

Texture fill rate

589.7

455.4

Memory type

GDDR6

GDDR6X

Maximum RAM amount

48 GB

12 GB

Memory bus width

384 Bit

192 Bit

Memory clock speed

14.5 GB/s

21000 MHz

Memory bandwidth

695.8 GB/s

504.2 GB/s

Shared memory

-

-

Display Connectors

3x DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

8.9

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3