Radeon R9 390 X2 and Radeon RX 470D - video card comparison
Radeon R9 390 X2
Radeon RX 470D
Architecture
GCN 2.0 (2013−2017)
GCN 4.0 (2016−2020)
GPU code name
Grenada
Ellesmere
Market segment
Desktop
Desktop
Release date
September 2015
October 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
1x 6-pin
Boost clock speed
-
1206 MHz
Core clock speed
1000 MHz
926 MHz
Floating-point performance
2x 5,120 gflops
4,322 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
5,700 million
Pipelines / CUDA cores
2560
1792
Power consumption (TDP)
580 Watt
120 Watt
Texture fill rate
160.0
135.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
5400 MHz
6600 MHz
Memory bandwidth
345.6 GB/s
211.2 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
1.2.131
1.2.131