GeForce GTX 460 X2 and Radeon RX 6600M - video card comparison

GeForce GTX 460 X2

Radeon RX 6600M

Architecture

Fermi (2010−2014)

RDNA 2 (2020−2022)

GPU code name

GF104

R21M-E65-70

Market segment

Desktop

Laptop

Release date

March 2011

September 2020

Interface

PCIe 2.0 x16

PCIe 4.0 x8

Supplementary power connectors

2x 8-pin

None

Boost clock speed

2177 MHz

Core clock speed

701 MHz

2068 MHz

Floating-point performance

2x 941.5 gflops

Manufacturing process technology

40 nm

7 nm

Number of transistors

1,950 million

11,060 million

Pipelines / CUDA cores

336

1792

Power consumption (TDP)

160 Watt

100 Watt (50 - 100 Watt TGP)

Texture fill rate

39.26

235.8

Memory type

GDDR5

GDDR6

Maximum RAM amount

1 GB

8 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

3600 MHz

14000 MHz

Memory bandwidth

115.2 GB/s

256.0 GB/s

Shared memory

Display Connectors

3x DVI, 1x mini-HDMI

No outputs

HDMI

DirectX

12 (11_0)

12 Ultimate (12_2)

CUDA

2.1

OpenCL

1.1

2.1

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

N/A

1.2