GeForce GTX 780 6 GB and A800 PCIe 40 GB - video card comparison

GeForce GTX 780 6 GB

A800 PCIe 40 GB

Architecture

Kepler (2012−2018)

Ampere (2020−2022)

GPU code name

GK110B

GA100

Market segment

Desktop

Release date

September 2013

November 2022

Interface

PCIe 3.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin + 1x 8-pin

8-pin EPS

Boost clock speed

902 MHz

1410 MHz

Core clock speed

863 MHz

Floating-point performance

4,156 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

7,080 million

54,200 million

Pipelines / CUDA cores

2304

6912

Power consumption (TDP)

250 Watt

Texture fill rate

173.2

609.1

Memory type

GDDR5

HBM2e

Maximum RAM amount

6 GB

40 GB

Memory bus width

384 Bit

5120 Bit

Memory clock speed

6008 MHz

2.4 GB/s

Memory bandwidth

288.4 GB/s

1,555 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

12 (11_1)

N/A

CUDA

3.5

8.0

OpenCL

1.2

3.0

OpenGL

4.6

N/A

Shader Model

5.1

N/A

Vulkan

1.1.126

N/A