
Radeon R9 390 X2 and T1000 8 GB - video card comparison
Radeon R9 390 X2
T1000 8 GB
Architecture
GCN 2.0 (2013−2017)
Turing (2018−2021)
GPU code name
Grenada
TU117
Market segment
Desktop
Desktop
Release date
September 2015
May 2021
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
None
Boost clock speed
-
1395 MHz
Core clock speed
1000 MHz
-
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
6,200 million
4,700 million
Pipelines / CUDA cores
2560
896
Power consumption (TDP)
580 Watt
50 Watt
Texture fill rate
160.0
78.12
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
5400 MHz
10 GB/s
Memory bandwidth
345.6 GB/s
160.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
4x mini-DisplayPort
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
7.5
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.3
6.6
Vulkan
1.2.131
1.2