GeForce GTX 780M Mac Edition and Radeon RX 6400 - video card comparison

GeForce GTX 780M Mac Edition

Radeon RX 6400

Architecture

Kepler (2012−2018)

RDNA 2.0 (2020−2022)

GPU code name

GK104

Navi 24

Market segment

Desktop

Release date

November 2013

January 2022

Interface

MXM-B (3.0)

PCIe 4.0 x4

Supplementary power connectors

None

Boost clock speed

797 MHz

2321 MHz

Core clock speed

771 MHz

Floating-point performance

2,448 gflops

Manufacturing process technology

28 nm

6 nm

Number of transistors

3,540 million

5,400 million

Pipelines / CUDA cores

1536

768

Power consumption (TDP)

122 Watt

53 Watt

Texture fill rate

102.0

111.4

Memory type

GDDR5

GDDR6

Maximum RAM amount

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

5000 MHz

16 GB/s

Memory bandwidth

160.0 GB/s

128.0 GB/s

Display Connectors

No outputs

1x HDMI 2.1, 1x DisplayPort 1.4a

HDMI

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

3.0

OpenCL

1.2

2.2

OpenGL

4.6

Shader Model

5.1

6.6

Vulkan

1.1.126

1.3