Radeon RX 6600 XT and CMP 70HX - video card comparison

Radeon RX 6600 XT

CMP 70HX

Architecture

Navi / RDNA2 (2020−2022)

Ampere (2020−2022)

GPU code name

Navi 23

GA104

Market segment

Desktop

Desktop

Release date

July 2021

2021

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

1x 12-pin

Boost clock speed

2589 MHz

1395 MHz

Core clock speed

1968 MHz

-

Manufacturing process technology

7 nm

8 nm

Number of transistors

11,060 million

17,400 million

Pipelines / CUDA cores

2048

6144

Power consumption (TDP)

160 (TGP) Watt

-

Texture fill rate

331.4

267.8

Memory type

GDDR6

GDDR6X

Maximum RAM amount

8 GB

8 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

16000 MHz

19 GB/s

Memory bandwidth

256.0 GB/s

608.3 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 2x DisplayPort

No outputs

HDMI

+

-

DirectX

12.0 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

2.1

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3