
Radeon R9 390 X2 and Radeon Pro V520 - video card comparison
Radeon R9 390 X2
Radeon Pro V520
Architecture
GCN 2.0 (2013−2017)
RDNA 1.0 (2019−2020)
GPU code name
Grenada
Navi 12
Market segment
Desktop
Workstation
Release date
September 2015
December 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
4x 8-pin
1x 8-pin
Boost clock speed
-
1600 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
-
Pipelines / CUDA cores
2560
2304
Power consumption (TDP)
580 Watt
225 Watt
Texture fill rate
160.0
230.4
Memory type
GDDR5
HBM2
Maximum RAM amount
8 GB
8 GB
Memory bus width
512 Bit
2048 Bit
Memory clock speed
5400 MHz
2 GB/s
Memory bandwidth
345.6 GB/s
512.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2