Radeon R9 290X2 and Radeon 780M - video card comparison

Radeon R9 290X2

Radeon 780M

Architecture

GCN 2.0 (2013−2017)

RDNA 3

GPU code name

Hawaii

Phoenix

Market segment

Desktop

Laptop

Release date

June 2014

January 2023

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

4x 8-pin

None

Boost clock speed

-

3000 MHz

Core clock speed

1000 MHz

1500 MHz

Floating-point performance

2x 5,632 gflops

-

Manufacturing process technology

28 nm

4 nm

Number of transistors

6,200 million

25,390 million

Pipelines / CUDA cores

2816

768

Power consumption (TDP)

580 Watt

54 Watt (35 - 54 Watt TGP)

Texture fill rate

176.0

139.2

Memory type

GDDR5

System Shared

Maximum RAM amount

4 GB

System Shared

Memory bus width

512 Bit

System Shared

Memory clock speed

5400 MHz

System Shared

Memory bandwidth

345.6 GB/s

-

Shared memory

-

+

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

Portable Device Dependent

HDMI

+

-

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenCL

2.0

2.1

OpenGL

4.6

4.6

Shader Model

6.3

6.7

Vulkan

1.2.131

1.3