GeForce GTX 745 OEM and Radeon RX 6600 XT - video card comparison

GeForce GTX 745 OEM

Radeon RX 6600 XT

Architecture

Maxwell (2014−2018)

Navi / RDNA2 (2020−2022)

GPU code name

GM107

Navi 23

Market segment

Desktop

Release date

February 2014

July 2021

Interface

PCIe 3.0 x16

PCIe 4.0 x8

Supplementary power connectors

None

1x 8-pin

Boost clock speed

2589 MHz

Core clock speed

1033 MHz

1968 MHz

Floating-point performance

793.3 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

1,870 million

11,060 million

Pipelines / CUDA cores

384

2048

Power consumption (TDP)

55 Watt

160 (TGP) Watt

Texture fill rate

24.79

331.4

Memory type

DDR3

GDDR6

Maximum RAM amount

4 GB

8 GB

Memory bus width

128 Bit

Memory clock speed

1800 MHz

16000 MHz

Memory bandwidth

28.8 GB/s

256.0 GB/s

Shared memory

Display Connectors

1x DVI, 1x HDMI, 1x VGA

1x HDMI, 2x DisplayPort

HDMI

DirectX

12 (11_0)

12.0 Ultimate (12_2)

CUDA

5.0

OpenCL

1.2

2.1

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.1.126

1.2