
Radeon R9 390 X2 and TITAN V - video card comparison
Radeon R9 390 X2
TITAN V
Architecture
GCN 2.0 (2013−2017)
Volta (2017−2020)
GPU code name
Grenada
GV100
Market segment
Desktop
Desktop
Release date
September 2015
December 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
-
1455 MHz
Core clock speed
1000 MHz
1200 MHz
Floating-point performance
2x 5,120 gflops
14,899 gflops
Manufacturing process technology
28 nm
12 nm
Number of transistors
6,200 million
21,100 million
Pipelines / CUDA cores
2560
5120
Power consumption (TDP)
580 Watt
250 Watt
Texture fill rate
160.0
465.6
Memory type
GDDR5
HBM2
Maximum RAM amount
8 GB
12 GB
Memory bus width
512 Bit
3072 Bit
Memory clock speed
5400 MHz
1696 MHz
Memory bandwidth
345.6 GB/s
651.3 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
1.2.131
+