Radeon R9 390 X2 and CMP 170HX 8 GB - video card comparison

Radeon R9 390 X2

CMP 170HX 8 GB

Architecture

GCN 2.0 (2013−2017)

Ampere (2020−2022)

GPU code name

Grenada

GA100

Market segment

Desktop

Release date

September 2015

September 2021

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Supplementary power connectors

4x 8-pin

2x 8-pin

Boost clock speed

1410 MHz

Core clock speed

1000 MHz

Floating-point performance

2x 5,120 gflops

Manufacturing process technology

28 nm

7 nm

Number of transistors

6,200 million

54,200 million

Pipelines / CUDA cores

2560

4480

Power consumption (TDP)

580 Watt

250 Watt

Texture fill rate

160.0

394.8

Memory type

GDDR5

HBM2e

Maximum RAM amount

8 GB

Memory bus width

512 Bit

4096 Bit

Memory clock speed

5400 MHz

2.9 GB/s

Memory bandwidth

345.6 GB/s

1,493 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

No outputs

HDMI

DirectX

12 (12_0)

N/A

CUDA

8.0

OpenCL

2.0

3.0

OpenGL

4.6

N/A

Shader Model

6.3

N/A

Vulkan

1.2.131

N/A