GeForce GTX 980 and Radeon RX 6550S - video card comparison

GeForce GTX 980

Radeon RX 6550S

Architecture

Maxwell (2014−2018)

RDNA 2 (2020−2022)

GPU code name

GM204

Navi 24

Market segment

Desktop

Laptop

Release date

September 2014

January 2023

Bus support

PCI Express 3.0

-

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Recommended system power (PSU)

500 Watt

-

Supplementary power connectors

2x 6-pins

None

SLI options

+

-

Boost clock speed

1216 MHz

2170 MHz

Core clock speed

1064 MHz

-

CUDA cores

2048

-

Floating-point performance

4,981 gflops

-

Manufacturing process technology

28 nm

6 nm

Number of transistors

5,200 million

5,400 million

Pipelines / CUDA cores

2048

1024

Power consumption (TDP)

165 Watt

50 Watt (35 - 50 Watt TGP)

Texture fill rate

144 billion/sec

153.6

Memory type

GDDR5

GDDR6

Maximum RAM amount

4 GB

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

7.0 GB/s

16000 MHz

Memory bandwidth

224 GB/s

128.0 GB/s

Shared memory

-

-

Display Connectors

Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2

Portable Device Dependent

Multi monitor support

4 displays

-

VGA аnalog display support

+

-

DisplayPort Multimode (DP++) support

+

-

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

2048x1536

-

G-SYNC support

+

-

Audio input for HDMI

Internal

-

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

+

-

OpenCL

1.2

2.2

OpenGL

4.5

4.6

Shader Model

6.4

6.7

Vulkan

1.1.126

1.3

BatteryBoost

+

-

GameStream

+

-

GameWorks

+

-

GeForce ShadowPlay

+

-

GPU Boost

2.0

-

H.264, VC1, MPEG2 1080p video decoder

+

-

Optimus

+

-