Radeon RX 6600M and GeForce GTX 1080 Ti 12 GB - video card comparison

Radeon RX 6600M

GeForce GTX 1080 Ti 12 GB

Architecture

RDNA 2 (2020−2022)

Pascal (2016−2021)

GPU code name

R21M-E65-70

GP102

Market segment

Laptop

Desktop

Release date

September 2020

Interface

PCIe 4.0 x8

PCIe 3.0 x16

Supplementary power connectors

None

1x 6-pin + 1x 8-pin

Boost clock speed

2177 MHz

1670 MHz

Core clock speed

2068 MHz

Manufacturing process technology

7 nm

16 nm

Number of transistors

11,060 million

11,800 million

Pipelines / CUDA cores

1792

3200

Power consumption (TDP)

100 Watt (50 - 100 Watt TGP)

250 Watt

Texture fill rate

235.8

334.0

Memory type

GDDR6

GDDR5X

Maximum RAM amount

8 GB

12 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

14000 MHz

11 GB/s

Memory bandwidth

256.0 GB/s

528.4 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.0, 3x DisplayPort 1.4a

HDMI

DirectX

12 Ultimate (12_2)

12 (12_1)

CUDA

6.1

OpenCL

2.1

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3