Radeon HD 8550M and Radeon RX 7990 XTX - video card comparison

Radeon HD 8550M

Radeon RX 7990 XTX

Architecture

GCN (2011−2017)

RDNA 3.0 (2022)

GPU code name

Sun

Navi 31

Market segment

Laptop

Desktop

Release date

November 2012

2023

Interface

PCIe 3.0 x8

PCIe 4.0 x16

Supplementary power connectors

3x 8-pin

Boost clock speed

850 MHz

3599 MHz

Core clock speed

700 MHz

Floating-point performance

544.0 gflops

Manufacturing process technology

28 nm

5 nm

Number of transistors

690 million

57,700 million

Pipelines / CUDA cores

384

6144

Power consumption (TDP)

405 Watt

Texture fill rate

17.00

1,382

Memory type

DDR3

GDDR6

Maximum RAM amount

1 GB

24 GB

Memory bus width

64 Bit

384 Bit

Memory clock speed

1800 MHz

24 GB/s

Memory bandwidth

14.4 GB/s

1,152 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

OpenCL

1.2

2.2

OpenGL

4.6

Shader Model

5.1

6.7

Vulkan

1.2.131

1.3