Radeon R9 390 X2 - video card specification
Radeon R9 390 X2
Architecture
GCN 2.0 (2013−2017)
GPU code name
Grenada
Market segment
Desktop
Release date
September 2015
Bus support
-
Interface
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
Bridgeless CrossFire
-
Boost clock speed
-
Compute units
-
Core clock speed
1000 MHz
Floating-point performance
2x 5,120 gflops
Manufacturing process technology
28 nm
Number of transistors
6,200 million
Pipelines / CUDA cores
2560
Power consumption (TDP)
580 Watt
Texture fill rate
160.0
Memory type
GDDR5
Maximum RAM amount
8 GB
Memory bus width
512 Bit
Memory clock speed
5400 MHz
Memory bandwidth
345.6 GB/s
High bandwidth memory (HBM)
-
Shared memory
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
Number of Eyefinity displays
-
HDMI
+
DisplayPort support
-
DirectX
12 (12_0)
Mantle
-
OpenCL
2.0
OpenGL
4.6
Shader Model
6.3
Vulkan
1.2.131
AppAcceleration
-
CrossFire
-
DDMA audio
-
Enduro
-
FreeSync
-
FRTC
-
HD3D
-
LiquidVR
-
PowerTune
-
TressFX
-
TrueAudio
-
UVD
-
VCE
-
ZeroCore
-