Radeon HD 6790 and A16 PCIe - video card comparison

Radeon HD 6790

A16 PCIe

Architecture

Terascale 2 (2009−2015)

Ampere (2020−2022)

GPU code name

Barts

GA107

Market segment

Desktop

Desktop

Release date

April 2011

April 2021

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 6-pin

8-pin EPS

Boost clock speed

-

1695 MHz

Core clock speed

840 MHz

-

Floating-point performance

1,344.0 gflops

-

Manufacturing process technology

40 nm

8 nm

Number of transistors

1,700 million

17,400 million

Pipelines / CUDA cores

800

2560

Power consumption (TDP)

150 Watt

250 Watt

Texture fill rate

33.60

135.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

16 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

1050 MHz

14.5 GB/s

Memory bandwidth

134.4 GB/s

231.9 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

+

-

DirectX

11.2 (11_0)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

1.2

3.0

OpenGL

4.4

4.6

Shader Model

5.0

6.6

Vulkan

N/A

1.2