GeForce GTX 780 Ti 6 GB and Radeon RX 6600M - video card comparison

GeForce GTX 780 Ti 6 GB

Radeon RX 6600M

Architecture

Kepler (2012−2018)

RDNA 2 (2020−2022)

GPU code name

GK110B

R21M-E65-70

Market segment

Desktop

Laptop

Release date

September 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

1x 6-pin + 1x 8-pin

None

Boost clock speed

928 MHz

2177 MHz

Core clock speed

875 MHz

2068 MHz

Manufacturing process technology

28 nm

7 nm

Number of transistors

7,080 million

11,060 million

Pipelines / CUDA cores

2880

1792

Power consumption (TDP)

250 Watt

100 Watt (50 - 100 Watt TGP)

Texture fill rate

222.7

235.8

Memory type

GDDR5

GDDR6

Maximum RAM amount

6 GB

8 GB

Memory bus width

384 Bit

128 Bit

Memory clock speed

7 GB/s

14000 MHz

Memory bandwidth

336.6 GB/s

256.0 GB/s

Shared memory

Display Connectors

2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2

No outputs

HDMI

DirectX

12 (11_1)

12 Ultimate (12_2)

CUDA

3.5

OpenCL

3.0

2.1

OpenGL

4.6

Shader Model

6.5 (5.1)

6.5

Vulkan

1.2.175

1.2