Radeon RX 6800 and CMP 70HX - video card comparison

Radeon RX 6800

CMP 70HX

Architecture

Navi / RDNA2 (2020−2022)

Ampere (2020−2022)

GPU code name

Navi 21

GA104

Market segment

Desktop

Desktop

Release date

November 2020

2021

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

2x 8-pin

1x 12-pin

Boost clock speed

2105 MHz

1395 MHz

Core clock speed

1815 MHz

-

Manufacturing process technology

7 nm

8 nm

Number of transistors

26,800 million

17,400 million

Pipelines / CUDA cores

3840

6144

Power consumption (TDP)

250 Watt

-

Texture fill rate

505.2

267.8

Memory type

GDDR6

GDDR6X

Maximum RAM amount

16 GB

8 GB

Memory bus width

256 Bit

256 Bit

Memory clock speed

16000 MHz

19 GB/s

Memory bandwidth

512.0 GB/s

608.3 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 2x DisplayPort, 1x USB Type-C

No outputs

HDMI

+

-

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

-

8.6

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3